^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Driver for Richtek RT9455WSC battery charger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2015 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/of_irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/usb/phy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define RT9455_MANUFACTURER "Richtek"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define RT9455_MODEL_NAME "RT9455"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define RT9455_DRIVER_NAME "rt9455-charger"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define RT9455_IRQ_NAME "interrupt"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define RT9455_PWR_RDY_DELAY 1 /* 1 second */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define RT9455_MAX_CHARGING_TIME 21600 /* 6 hrs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define RT9455_BATT_PRESENCE_DELAY 60 /* 60 seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define RT9455_CHARGE_MODE 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define RT9455_BOOST_MODE 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define RT9455_FAULT 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define RT9455_IAICR_100MA 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define RT9455_IAICR_500MA 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define RT9455_IAICR_NO_LIMIT 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define RT9455_CHARGE_DISABLE 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define RT9455_CHARGE_ENABLE 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define RT9455_PWR_FAULT 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define RT9455_PWR_GOOD 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define RT9455_REG_CTRL1 0x00 /* CTRL1 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define RT9455_REG_CTRL2 0x01 /* CTRL2 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define RT9455_REG_CTRL3 0x02 /* CTRL3 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define RT9455_REG_DEV_ID 0x03 /* DEV_ID reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define RT9455_REG_CTRL4 0x04 /* CTRL4 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define RT9455_REG_CTRL5 0x05 /* CTRL5 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define RT9455_REG_CTRL6 0x06 /* CTRL6 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define RT9455_REG_CTRL7 0x07 /* CTRL7 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define RT9455_REG_IRQ1 0x08 /* IRQ1 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define RT9455_REG_IRQ2 0x09 /* IRQ2 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define RT9455_REG_IRQ3 0x0A /* IRQ3 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define RT9455_REG_MASK1 0x0B /* MASK1 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define RT9455_REG_MASK2 0x0C /* MASK2 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define RT9455_REG_MASK3 0x0D /* MASK3 reg address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) enum rt9455_fields {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) F_STAT, F_BOOST, F_PWR_RDY, F_OTG_PIN_POLARITY, /* CTRL1 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) F_IAICR, F_TE_SHDN_EN, F_HIGHER_OCP, F_TE, F_IAICR_INT, F_HIZ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) F_OPA_MODE, /* CTRL2 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) F_VOREG, F_OTG_PL, F_OTG_EN, /* CTRL3 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) F_VENDOR_ID, F_CHIP_REV, /* DEV_ID reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) F_RST, /* CTRL4 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) F_TMR_EN, F_MIVR, F_IPREC, F_IEOC_PERCENTAGE, /* CTRL5 reg fields*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) F_IAICR_SEL, F_ICHRG, F_VPREC, /* CTRL6 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) F_BATD_EN, F_CHG_EN, F_VMREG, /* CTRL7 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) F_TSDI, F_VINOVPI, F_BATAB, /* IRQ1 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) F_CHRVPI, F_CHBATOVI, F_CHTERMI, F_CHRCHGI, F_CH32MI, F_CHTREGI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) F_CHMIVRI, /* IRQ2 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) F_BSTBUSOVI, F_BSTOLI, F_BSTLOWVI, F_BST32SI, /* IRQ3 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) F_TSDM, F_VINOVPIM, F_BATABM, /* MASK1 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) F_CHRVPIM, F_CHBATOVIM, F_CHTERMIM, F_CHRCHGIM, F_CH32MIM, F_CHTREGIM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) F_CHMIVRIM, /* MASK2 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) F_BSTVINOVIM, F_BSTOLIM, F_BSTLOWVIM, F_BST32SIM, /* MASK3 reg fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) F_MAX_FIELDS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static const struct reg_field rt9455_reg_fields[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) [F_STAT] = REG_FIELD(RT9455_REG_CTRL1, 4, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) [F_BOOST] = REG_FIELD(RT9455_REG_CTRL1, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) [F_PWR_RDY] = REG_FIELD(RT9455_REG_CTRL1, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) [F_OTG_PIN_POLARITY] = REG_FIELD(RT9455_REG_CTRL1, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) [F_IAICR] = REG_FIELD(RT9455_REG_CTRL2, 6, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) [F_TE_SHDN_EN] = REG_FIELD(RT9455_REG_CTRL2, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) [F_HIGHER_OCP] = REG_FIELD(RT9455_REG_CTRL2, 4, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) [F_TE] = REG_FIELD(RT9455_REG_CTRL2, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) [F_IAICR_INT] = REG_FIELD(RT9455_REG_CTRL2, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) [F_HIZ] = REG_FIELD(RT9455_REG_CTRL2, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) [F_OPA_MODE] = REG_FIELD(RT9455_REG_CTRL2, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) [F_VOREG] = REG_FIELD(RT9455_REG_CTRL3, 2, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) [F_OTG_PL] = REG_FIELD(RT9455_REG_CTRL3, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) [F_OTG_EN] = REG_FIELD(RT9455_REG_CTRL3, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) [F_VENDOR_ID] = REG_FIELD(RT9455_REG_DEV_ID, 4, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) [F_CHIP_REV] = REG_FIELD(RT9455_REG_DEV_ID, 0, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) [F_RST] = REG_FIELD(RT9455_REG_CTRL4, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) [F_TMR_EN] = REG_FIELD(RT9455_REG_CTRL5, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) [F_MIVR] = REG_FIELD(RT9455_REG_CTRL5, 4, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) [F_IPREC] = REG_FIELD(RT9455_REG_CTRL5, 2, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) [F_IEOC_PERCENTAGE] = REG_FIELD(RT9455_REG_CTRL5, 0, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) [F_IAICR_SEL] = REG_FIELD(RT9455_REG_CTRL6, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) [F_ICHRG] = REG_FIELD(RT9455_REG_CTRL6, 4, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) [F_VPREC] = REG_FIELD(RT9455_REG_CTRL6, 0, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) [F_BATD_EN] = REG_FIELD(RT9455_REG_CTRL7, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) [F_CHG_EN] = REG_FIELD(RT9455_REG_CTRL7, 4, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) [F_VMREG] = REG_FIELD(RT9455_REG_CTRL7, 0, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) [F_TSDI] = REG_FIELD(RT9455_REG_IRQ1, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) [F_VINOVPI] = REG_FIELD(RT9455_REG_IRQ1, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) [F_BATAB] = REG_FIELD(RT9455_REG_IRQ1, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) [F_CHRVPI] = REG_FIELD(RT9455_REG_IRQ2, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) [F_CHBATOVI] = REG_FIELD(RT9455_REG_IRQ2, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) [F_CHTERMI] = REG_FIELD(RT9455_REG_IRQ2, 4, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) [F_CHRCHGI] = REG_FIELD(RT9455_REG_IRQ2, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) [F_CH32MI] = REG_FIELD(RT9455_REG_IRQ2, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) [F_CHTREGI] = REG_FIELD(RT9455_REG_IRQ2, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) [F_CHMIVRI] = REG_FIELD(RT9455_REG_IRQ2, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) [F_BSTBUSOVI] = REG_FIELD(RT9455_REG_IRQ3, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) [F_BSTOLI] = REG_FIELD(RT9455_REG_IRQ3, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) [F_BSTLOWVI] = REG_FIELD(RT9455_REG_IRQ3, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) [F_BST32SI] = REG_FIELD(RT9455_REG_IRQ3, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) [F_TSDM] = REG_FIELD(RT9455_REG_MASK1, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) [F_VINOVPIM] = REG_FIELD(RT9455_REG_MASK1, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) [F_BATABM] = REG_FIELD(RT9455_REG_MASK1, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) [F_CHRVPIM] = REG_FIELD(RT9455_REG_MASK2, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) [F_CHBATOVIM] = REG_FIELD(RT9455_REG_MASK2, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) [F_CHTERMIM] = REG_FIELD(RT9455_REG_MASK2, 4, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) [F_CHRCHGIM] = REG_FIELD(RT9455_REG_MASK2, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) [F_CH32MIM] = REG_FIELD(RT9455_REG_MASK2, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) [F_CHTREGIM] = REG_FIELD(RT9455_REG_MASK2, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) [F_CHMIVRIM] = REG_FIELD(RT9455_REG_MASK2, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) [F_BSTVINOVIM] = REG_FIELD(RT9455_REG_MASK3, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) [F_BSTOLIM] = REG_FIELD(RT9455_REG_MASK3, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) [F_BSTLOWVIM] = REG_FIELD(RT9455_REG_MASK3, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) [F_BST32SIM] = REG_FIELD(RT9455_REG_MASK3, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #define GET_MASK(fid) (BIT(rt9455_reg_fields[fid].msb + 1) - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) BIT(rt9455_reg_fields[fid].lsb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * Each array initialised below shows the possible real-world values for a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * group of bits belonging to RT9455 registers. The arrays are sorted in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * ascending order. The index of each real-world value represents the value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * that is encoded in the group of bits belonging to RT9455 registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /* REG06[6:4] (ICHRG) in uAh */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static const int rt9455_ichrg_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 500000, 650000, 800000, 950000, 1100000, 1250000, 1400000, 1550000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * When the charger is in charge mode, REG02[7:2] represent battery regulation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) * voltage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /* REG02[7:2] (VOREG) in uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static const int rt9455_voreg_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 3500000, 3520000, 3540000, 3560000, 3580000, 3600000, 3620000, 3640000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 3660000, 3680000, 3700000, 3720000, 3740000, 3760000, 3780000, 3800000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 3820000, 3840000, 3860000, 3880000, 3900000, 3920000, 3940000, 3960000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 3980000, 4000000, 4020000, 4040000, 4060000, 4080000, 4100000, 4120000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 4140000, 4160000, 4180000, 4200000, 4220000, 4240000, 4260000, 4280000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 4300000, 4330000, 4350000, 4370000, 4390000, 4410000, 4430000, 4450000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 4450000, 4450000, 4450000, 4450000, 4450000, 4450000, 4450000, 4450000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 4450000, 4450000, 4450000, 4450000, 4450000, 4450000, 4450000, 4450000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * When the charger is in boost mode, REG02[7:2] represent boost output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * voltage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* REG02[7:2] (Boost output voltage) in uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static const int rt9455_boost_voltage_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 4425000, 4450000, 4475000, 4500000, 4525000, 4550000, 4575000, 4600000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 4625000, 4650000, 4675000, 4700000, 4725000, 4750000, 4775000, 4800000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 4825000, 4850000, 4875000, 4900000, 4925000, 4950000, 4975000, 5000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 5025000, 5050000, 5075000, 5100000, 5125000, 5150000, 5175000, 5200000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 5225000, 5250000, 5275000, 5300000, 5325000, 5350000, 5375000, 5400000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 5425000, 5450000, 5475000, 5500000, 5525000, 5550000, 5575000, 5600000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 5600000, 5600000, 5600000, 5600000, 5600000, 5600000, 5600000, 5600000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 5600000, 5600000, 5600000, 5600000, 5600000, 5600000, 5600000, 5600000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) /* REG07[3:0] (VMREG) in uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static const int rt9455_vmreg_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 4200000, 4220000, 4240000, 4260000, 4280000, 4300000, 4320000, 4340000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 4360000, 4380000, 4400000, 4430000, 4450000, 4450000, 4450000, 4450000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* REG05[5:4] (IEOC_PERCENTAGE) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static const int rt9455_ieoc_percentage_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 10, 30, 20, 30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) /* REG05[1:0] (MIVR) in uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static const int rt9455_mivr_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 4000000, 4250000, 4500000, 5000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) /* REG05[1:0] (IAICR) in uA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static const int rt9455_iaicr_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 100000, 500000, 1000000, 2000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct rt9455_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct regmap_field *regmap_fields[F_MAX_FIELDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) struct power_supply *charger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) #if IS_ENABLED(CONFIG_USB_PHY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct usb_phy *usb_phy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct notifier_block nb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct delayed_work pwr_rdy_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct delayed_work max_charging_time_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct delayed_work batt_presence_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) u32 voreg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) u32 boost_voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) * Iterate through each element of the 'tbl' array until an element whose value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * is greater than v is found. Return the index of the respective element,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * or the index of the last element in the array, if no such element is found.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static unsigned int rt9455_find_idx(const int tbl[], int tbl_size, int v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) * No need to iterate until the last index in the table because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) * if no element greater than v is found in the table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) * or if only the last element is greater than v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * function returns the index of the last element.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) for (i = 0; i < tbl_size - 1; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (v <= tbl[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return (tbl_size - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) static int rt9455_get_field_val(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) enum rt9455_fields field,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) const int tbl[], int tbl_size, int *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) ret = regmap_field_read(info->regmap_fields[field], &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) v = (v >= tbl_size) ? (tbl_size - 1) : v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) *val = tbl[v];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static int rt9455_set_field_val(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) enum rt9455_fields field,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) const int tbl[], int tbl_size, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) unsigned int idx = rt9455_find_idx(tbl, tbl_size, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) return regmap_field_write(info->regmap_fields[field], idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) static int rt9455_register_reset(struct rt9455_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) int ret, limit = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) ret = regmap_field_write(info->regmap_fields[F_RST], 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) dev_err(dev, "Failed to set RST bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) * To make sure that reset operation has finished, loop until RST bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) * is set to 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) ret = regmap_field_read(info->regmap_fields[F_RST], &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) dev_err(dev, "Failed to read RST bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (!v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) usleep_range(10, 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) } while (--limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (!limit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /* Charger power supply property routines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static enum power_supply_property rt9455_charger_properties[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) POWER_SUPPLY_PROP_HEALTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) POWER_SUPPLY_PROP_SCOPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) POWER_SUPPLY_PROP_MODEL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) POWER_SUPPLY_PROP_MANUFACTURER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) static char *rt9455_charger_supplied_to[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) "main-battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) static int rt9455_charger_get_status(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) unsigned int v, pwr_rdy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) ret = regmap_field_read(info->regmap_fields[F_PWR_RDY],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) &pwr_rdy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) dev_err(&info->client->dev, "Failed to read PWR_RDY bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) * If PWR_RDY bit is unset, the battery is discharging. Otherwise,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) * STAT bits value must be checked.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (!pwr_rdy) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) ret = regmap_field_read(info->regmap_fields[F_STAT], &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) dev_err(&info->client->dev, "Failed to read STAT bits\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) switch (v) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) * If PWR_RDY bit is set, but STAT bits value is 0, the charger
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) * may be in one of the following cases:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) * 1. CHG_EN bit is 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) * 2. CHG_EN bit is 1 but the battery is not connected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) * In any of these cases, POWER_SUPPLY_STATUS_NOT_CHARGING is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) * returned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) val->intval = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) val->intval = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) static int rt9455_charger_get_health(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) val->intval = POWER_SUPPLY_HEALTH_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) ret = regmap_read(info->regmap, RT9455_REG_IRQ1, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) dev_err(dev, "Failed to read IRQ1 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) if (v & GET_MASK(F_TSDI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (v & GET_MASK(F_VINOVPI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (v & GET_MASK(F_BATAB)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) ret = regmap_read(info->regmap, RT9455_REG_IRQ2, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) dev_err(dev, "Failed to read IRQ2 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) if (v & GET_MASK(F_CHBATOVI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) if (v & GET_MASK(F_CH32MI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) val->intval = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) ret = regmap_read(info->regmap, RT9455_REG_IRQ3, &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) dev_err(dev, "Failed to read IRQ3 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (v & GET_MASK(F_BSTBUSOVI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if (v & GET_MASK(F_BSTOLI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (v & GET_MASK(F_BSTLOWVI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) if (v & GET_MASK(F_BST32SI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) val->intval = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) ret = regmap_field_read(info->regmap_fields[F_STAT], &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) dev_err(dev, "Failed to read STAT bits\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (v == RT9455_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) static int rt9455_charger_get_battery_presence(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) ret = regmap_field_read(info->regmap_fields[F_BATAB], &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) dev_err(&info->client->dev, "Failed to read BATAB bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * Since BATAB is 1 when battery is NOT present and 0 otherwise,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * !BATAB is returned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) val->intval = !v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) static int rt9455_charger_get_online(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) unsigned int v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) ret = regmap_field_read(info->regmap_fields[F_PWR_RDY], &v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) dev_err(&info->client->dev, "Failed to read PWR_RDY bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) val->intval = (int)v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) static int rt9455_charger_get_current(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) int curr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) ret = rt9455_get_field_val(info, F_ICHRG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) rt9455_ichrg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) ARRAY_SIZE(rt9455_ichrg_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) &curr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) dev_err(&info->client->dev, "Failed to read ICHRG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) val->intval = curr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) static int rt9455_charger_get_current_max(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) int idx = ARRAY_SIZE(rt9455_ichrg_values) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) val->intval = rt9455_ichrg_values[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) static int rt9455_charger_get_voltage(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) int voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) ret = rt9455_get_field_val(info, F_VOREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) rt9455_voreg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) ARRAY_SIZE(rt9455_voreg_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) &voltage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) dev_err(&info->client->dev, "Failed to read VOREG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) val->intval = voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) static int rt9455_charger_get_voltage_max(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) int idx = ARRAY_SIZE(rt9455_vmreg_values) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) val->intval = rt9455_vmreg_values[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) static int rt9455_charger_get_term_current(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) int ichrg, ieoc_percentage, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) ret = rt9455_get_field_val(info, F_ICHRG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) rt9455_ichrg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) ARRAY_SIZE(rt9455_ichrg_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) &ichrg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) dev_err(dev, "Failed to read ICHRG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) ret = rt9455_get_field_val(info, F_IEOC_PERCENTAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) rt9455_ieoc_percentage_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) ARRAY_SIZE(rt9455_ieoc_percentage_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) &ieoc_percentage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) dev_err(dev, "Failed to read IEOC value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) val->intval = ichrg * ieoc_percentage / 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) static int rt9455_charger_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) struct rt9455_info *info = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) return rt9455_charger_get_status(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) case POWER_SUPPLY_PROP_HEALTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) return rt9455_charger_get_health(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) case POWER_SUPPLY_PROP_PRESENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) return rt9455_charger_get_battery_presence(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) return rt9455_charger_get_online(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) return rt9455_charger_get_current(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) return rt9455_charger_get_current_max(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) return rt9455_charger_get_voltage(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) return rt9455_charger_get_voltage_max(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) case POWER_SUPPLY_PROP_SCOPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) val->intval = POWER_SUPPLY_SCOPE_SYSTEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) return rt9455_charger_get_term_current(info, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) case POWER_SUPPLY_PROP_MODEL_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) val->strval = RT9455_MODEL_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) case POWER_SUPPLY_PROP_MANUFACTURER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) val->strval = RT9455_MANUFACTURER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) static int rt9455_hw_init(struct rt9455_info *info, u32 ichrg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) u32 ieoc_percentage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) u32 mivr, u32 iaicr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) int idx, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) ret = rt9455_register_reset(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) dev_err(dev, "Power On Reset failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) /* Set TE bit in order to enable end of charge detection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) ret = regmap_field_write(info->regmap_fields[F_TE], 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) dev_err(dev, "Failed to set TE bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) /* Set TE_SHDN_EN bit in order to enable end of charge detection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) ret = regmap_field_write(info->regmap_fields[F_TE_SHDN_EN], 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) dev_err(dev, "Failed to set TE_SHDN_EN bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) * Set BATD_EN bit in order to enable battery detection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) * when charging is done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) ret = regmap_field_write(info->regmap_fields[F_BATD_EN], 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) dev_err(dev, "Failed to set BATD_EN bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) * Disable Safety Timer. In charge mode, this timer terminates charging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) * if no read or write via I2C is done within 32 minutes. This timer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) * avoids overcharging the baterry when the OS is not loaded and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) * charger is connected to a power source.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) * In boost mode, this timer triggers BST32SI interrupt if no read or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) * write via I2C is done within 32 seconds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) * When the OS is loaded and the charger driver is inserted, it is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) * delayed_work, named max_charging_time_work, to avoid overcharging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) * the battery.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) ret = regmap_field_write(info->regmap_fields[F_TMR_EN], 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) dev_err(dev, "Failed to disable Safety Timer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) /* Set ICHRG to value retrieved from device-specific data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) ret = rt9455_set_field_val(info, F_ICHRG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) rt9455_ichrg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) ARRAY_SIZE(rt9455_ichrg_values), ichrg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) dev_err(dev, "Failed to set ICHRG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) /* Set IEOC Percentage to value retrieved from device-specific data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) ret = rt9455_set_field_val(info, F_IEOC_PERCENTAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) rt9455_ieoc_percentage_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) ARRAY_SIZE(rt9455_ieoc_percentage_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) ieoc_percentage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) dev_err(dev, "Failed to set IEOC Percentage value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) /* Set VOREG to value retrieved from device-specific data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) ret = rt9455_set_field_val(info, F_VOREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) rt9455_voreg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) ARRAY_SIZE(rt9455_voreg_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) info->voreg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) dev_err(dev, "Failed to set VOREG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) /* Set VMREG value to maximum (4.45V). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) idx = ARRAY_SIZE(rt9455_vmreg_values) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) ret = rt9455_set_field_val(info, F_VMREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) rt9455_vmreg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) ARRAY_SIZE(rt9455_vmreg_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) rt9455_vmreg_values[idx]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) dev_err(dev, "Failed to set VMREG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) * Set MIVR to value retrieved from device-specific data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) * If no value is specified, default value for MIVR is 4.5V.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) if (mivr == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) mivr = 4500000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) ret = rt9455_set_field_val(info, F_MIVR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) rt9455_mivr_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) ARRAY_SIZE(rt9455_mivr_values), mivr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) dev_err(dev, "Failed to set MIVR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) * Set IAICR to value retrieved from device-specific data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) * If no value is specified, default value for IAICR is 500 mA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) if (iaicr == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) iaicr = 500000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) ret = rt9455_set_field_val(info, F_IAICR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) rt9455_iaicr_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) ARRAY_SIZE(rt9455_iaicr_values), iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) dev_err(dev, "Failed to set IAICR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) * Set IAICR_INT bit so that IAICR value is determined by IAICR bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) * and not by OTG pin.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) ret = regmap_field_write(info->regmap_fields[F_IAICR_INT], 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) dev_err(dev, "Failed to set IAICR_INT bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) * Disable CHMIVRI interrupt. Because the driver sets MIVR value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) * CHMIVRI is triggered, but there is no action to be taken by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) * driver when CHMIVRI is triggered.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) ret = regmap_field_write(info->regmap_fields[F_CHMIVRIM], 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) dev_err(dev, "Failed to mask CHMIVRI interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) #if IS_ENABLED(CONFIG_USB_PHY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) * Before setting the charger into boost mode, boost output voltage is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) * set. This is needed because boost output voltage may differ from battery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) * regulation voltage. F_VOREG bits represent either battery regulation voltage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) * or boost output voltage, depending on the mode the charger is. Both battery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) * regulation voltage and boost output voltage are read from DT/ACPI during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) * probe.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) static int rt9455_set_boost_voltage_before_boost_mode(struct rt9455_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) ret = rt9455_set_field_val(info, F_VOREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) rt9455_boost_voltage_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) ARRAY_SIZE(rt9455_boost_voltage_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) info->boost_voltage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) dev_err(dev, "Failed to set boost output voltage value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) * Before setting the charger into charge mode, battery regulation voltage is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) * set. This is needed because boost output voltage may differ from battery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) * regulation voltage. F_VOREG bits represent either battery regulation voltage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) * or boost output voltage, depending on the mode the charger is. Both battery
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) * regulation voltage and boost output voltage are read from DT/ACPI during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) * probe.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) static int rt9455_set_voreg_before_charge_mode(struct rt9455_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) ret = rt9455_set_field_val(info, F_VOREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) rt9455_voreg_values,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) ARRAY_SIZE(rt9455_voreg_values),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) info->voreg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) dev_err(dev, "Failed to set VOREG value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) static int rt9455_irq_handler_check_irq1_register(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) bool *_is_battery_absent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) bool *_alert_userspace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) unsigned int irq1, mask1, mask2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) bool is_battery_absent = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) bool alert_userspace = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) ret = regmap_read(info->regmap, RT9455_REG_IRQ1, &irq1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) dev_err(dev, "Failed to read IRQ1 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) ret = regmap_read(info->regmap, RT9455_REG_MASK1, &mask1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) dev_err(dev, "Failed to read MASK1 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) if (irq1 & GET_MASK(F_TSDI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) dev_err(dev, "Thermal shutdown fault occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) if (irq1 & GET_MASK(F_VINOVPI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) dev_err(dev, "Overvoltage input occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) if (irq1 & GET_MASK(F_BATAB)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) dev_err(dev, "Battery absence occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) is_battery_absent = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) if ((mask1 & GET_MASK(F_BATABM)) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) ret = regmap_field_write(info->regmap_fields[F_BATABM],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) dev_err(dev, "Failed to mask BATAB interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) ret = regmap_read(info->regmap, RT9455_REG_MASK2, &mask2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) dev_err(dev, "Failed to read MASK2 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (mask2 & GET_MASK(F_CHTERMIM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) ret = regmap_field_write(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) info->regmap_fields[F_CHTERMIM], 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) dev_err(dev, "Failed to unmask CHTERMI interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) if (mask2 & GET_MASK(F_CHRCHGIM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) ret = regmap_field_write(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) info->regmap_fields[F_CHRCHGIM], 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) dev_err(dev, "Failed to unmask CHRCHGI interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) * When the battery is absent, max_charging_time_work is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) * cancelled, since no charging is done.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) cancel_delayed_work_sync(&info->max_charging_time_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) * Since no interrupt is triggered when the battery is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) * reconnected, max_charging_time_work is not rescheduled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) * Therefore, batt_presence_work is scheduled to check whether
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) * the battery is still absent or not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) &info->batt_presence_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) RT9455_BATT_PRESENCE_DELAY * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) *_is_battery_absent = is_battery_absent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) if (alert_userspace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) *_alert_userspace = alert_userspace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) static int rt9455_irq_handler_check_irq2_register(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) bool is_battery_absent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) bool *_alert_userspace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) unsigned int irq2, mask2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) bool alert_userspace = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) ret = regmap_read(info->regmap, RT9455_REG_IRQ2, &irq2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) dev_err(dev, "Failed to read IRQ2 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) ret = regmap_read(info->regmap, RT9455_REG_MASK2, &mask2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) dev_err(dev, "Failed to read MASK2 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) if (irq2 & GET_MASK(F_CHRVPI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) dev_dbg(dev, "Charger fault occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) * CHRVPI bit is set in 2 cases:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) * 1. when the power source is connected to the charger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) * 2. when the power source is disconnected from the charger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) * To identify the case, PWR_RDY bit is checked. Because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) * PWR_RDY bit is set / cleared after CHRVPI interrupt is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) * triggered, it is used delayed_work to later read PWR_RDY bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) * Also, do not set to true alert_userspace, because there is no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) * need to notify userspace when CHRVPI interrupt has occurred.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) * Userspace will be notified after PWR_RDY bit is read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) &info->pwr_rdy_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) RT9455_PWR_RDY_DELAY * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) if (irq2 & GET_MASK(F_CHBATOVI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) dev_err(dev, "Battery OVP occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) if (irq2 & GET_MASK(F_CHTERMI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) dev_dbg(dev, "Charge terminated\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) if (!is_battery_absent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) if ((mask2 & GET_MASK(F_CHTERMIM)) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) ret = regmap_field_write(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) info->regmap_fields[F_CHTERMIM], 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) dev_err(dev, "Failed to mask CHTERMI interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) * Update MASK2 value, since CHTERMIM bit is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) * set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) mask2 = mask2 | GET_MASK(F_CHTERMIM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) cancel_delayed_work_sync(&info->max_charging_time_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) if (irq2 & GET_MASK(F_CHRCHGI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) dev_dbg(dev, "Recharge request\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) ret = regmap_field_write(info->regmap_fields[F_CHG_EN],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) RT9455_CHARGE_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) dev_err(dev, "Failed to enable charging\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) if (mask2 & GET_MASK(F_CHTERMIM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) ret = regmap_field_write(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) info->regmap_fields[F_CHTERMIM], 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) dev_err(dev, "Failed to unmask CHTERMI interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) /* Update MASK2 value, since CHTERMIM bit is cleared. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) mask2 = mask2 & ~GET_MASK(F_CHTERMIM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) if (!is_battery_absent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) * No need to check whether the charger is connected to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) * power source when CHRCHGI is received, since CHRCHGI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) * is not triggered if the charger is not connected to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) * the power source.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) &info->max_charging_time_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) RT9455_MAX_CHARGING_TIME * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) if (irq2 & GET_MASK(F_CH32MI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) dev_err(dev, "Charger fault. 32 mins timeout occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) if (irq2 & GET_MASK(F_CHTREGI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) dev_warn(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) "Charger warning. Thermal regulation loop active\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) if (irq2 & GET_MASK(F_CHMIVRI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) dev_dbg(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) "Charger warning. Input voltage MIVR loop active\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) if (alert_userspace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) *_alert_userspace = alert_userspace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) static int rt9455_irq_handler_check_irq3_register(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) bool *_alert_userspace)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) unsigned int irq3, mask3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) bool alert_userspace = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) ret = regmap_read(info->regmap, RT9455_REG_IRQ3, &irq3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) dev_err(dev, "Failed to read IRQ3 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) ret = regmap_read(info->regmap, RT9455_REG_MASK3, &mask3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) dev_err(dev, "Failed to read MASK3 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) if (irq3 & GET_MASK(F_BSTBUSOVI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) dev_err(dev, "Boost fault. Overvoltage input occurred\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) if (irq3 & GET_MASK(F_BSTOLI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) dev_err(dev, "Boost fault. Overload\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) if (irq3 & GET_MASK(F_BSTLOWVI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) dev_err(dev, "Boost fault. Battery voltage too low\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) if (irq3 & GET_MASK(F_BST32SI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) dev_err(dev, "Boost fault. 32 seconds timeout occurred.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) alert_userspace = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) if (alert_userspace) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) dev_info(dev, "Boost fault occurred, therefore the charger goes into charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) ret = rt9455_set_voreg_before_charge_mode(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) dev_err(dev, "Failed to set VOREG before entering charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) RT9455_CHARGE_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) dev_err(dev, "Failed to set charger in charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) *_alert_userspace = alert_userspace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) static irqreturn_t rt9455_irq_handler_thread(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) struct rt9455_info *info = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) bool alert_userspace = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) bool is_battery_absent = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) if (irq != info->client->irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) dev_err(dev, "Interrupt is not for RT9455 charger\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) ret = regmap_field_read(info->regmap_fields[F_STAT], &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) dev_err(dev, "Failed to read STAT bits\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) dev_dbg(dev, "Charger status is %d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) * Each function that processes an IRQ register receives as output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) * parameter alert_userspace pointer. alert_userspace is set to true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) * in such a function only if an interrupt has occurred in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) * respective interrupt register. This way, it is avoided the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) * case: interrupt occurs only in IRQ1 register,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) * rt9455_irq_handler_check_irq1_register() function sets to true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) * alert_userspace, but rt9455_irq_handler_check_irq2_register()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) * and rt9455_irq_handler_check_irq3_register() functions set to false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) * alert_userspace and power_supply_changed() is never called.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) ret = rt9455_irq_handler_check_irq1_register(info, &is_battery_absent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) &alert_userspace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) dev_err(dev, "Failed to handle IRQ1 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) ret = rt9455_irq_handler_check_irq2_register(info, is_battery_absent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) &alert_userspace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) dev_err(dev, "Failed to handle IRQ2 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) ret = rt9455_irq_handler_check_irq3_register(info, &alert_userspace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) dev_err(dev, "Failed to handle IRQ3 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) if (alert_userspace) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) * Sometimes, an interrupt occurs while rt9455_probe() function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) * is executing and power_supply_register() is not yet called.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) * Do not call power_supply_changed() in this case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) if (info->charger)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) power_supply_changed(info->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) static int rt9455_discover_charger(struct rt9455_info *info, u32 *ichrg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) u32 *ieoc_percentage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) u32 *mivr, u32 *iaicr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) if (!dev->of_node && !ACPI_HANDLE(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) dev_err(dev, "No support for either device tree or ACPI\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) * ICHRG, IEOC_PERCENTAGE, VOREG and boost output voltage are mandatory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) * parameters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) ret = device_property_read_u32(dev, "richtek,output-charge-current",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) ichrg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) dev_err(dev, "Error: missing \"output-charge-current\" property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) ret = device_property_read_u32(dev, "richtek,end-of-charge-percentage",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) ieoc_percentage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) dev_err(dev, "Error: missing \"end-of-charge-percentage\" property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) ret = device_property_read_u32(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) "richtek,battery-regulation-voltage",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) &info->voreg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) dev_err(dev, "Error: missing \"battery-regulation-voltage\" property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) ret = device_property_read_u32(dev, "richtek,boost-output-voltage",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) &info->boost_voltage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) dev_err(dev, "Error: missing \"boost-output-voltage\" property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) * MIVR and IAICR are optional parameters. Do not return error if one of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) * them is not present in ACPI table or device tree specification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) device_property_read_u32(dev, "richtek,min-input-voltage-regulation",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) mivr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) device_property_read_u32(dev, "richtek,avg-input-current-regulation",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) #if IS_ENABLED(CONFIG_USB_PHY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) static int rt9455_usb_event_none(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) u8 opa_mode, u8 iaicr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) if (opa_mode == RT9455_BOOST_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) ret = rt9455_set_voreg_before_charge_mode(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) dev_err(dev, "Failed to set VOREG before entering charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) * If the charger is in boost mode, and it has received
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) * USB_EVENT_NONE, this means the consumer device powered by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) * charger is not connected anymore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) * In this case, the charger goes into charge mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) dev_dbg(dev, "USB_EVENT_NONE received, therefore the charger goes into charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) RT9455_CHARGE_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) dev_err(dev, "Failed to set charger in charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) dev_dbg(dev, "USB_EVENT_NONE received, therefore IAICR is set to its minimum value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) if (iaicr != RT9455_IAICR_100MA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) ret = regmap_field_write(info->regmap_fields[F_IAICR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) RT9455_IAICR_100MA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) dev_err(dev, "Failed to set IAICR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) static int rt9455_usb_event_vbus(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) u8 opa_mode, u8 iaicr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) if (opa_mode == RT9455_BOOST_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) ret = rt9455_set_voreg_before_charge_mode(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) dev_err(dev, "Failed to set VOREG before entering charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) * If the charger is in boost mode, and it has received
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) * USB_EVENT_VBUS, this means the consumer device powered by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) * charger is not connected anymore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) * In this case, the charger goes into charge mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) dev_dbg(dev, "USB_EVENT_VBUS received, therefore the charger goes into charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) RT9455_CHARGE_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) dev_err(dev, "Failed to set charger in charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) dev_dbg(dev, "USB_EVENT_VBUS received, therefore IAICR is set to 500 mA\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) if (iaicr != RT9455_IAICR_500MA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) ret = regmap_field_write(info->regmap_fields[F_IAICR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) RT9455_IAICR_500MA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) dev_err(dev, "Failed to set IAICR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) static int rt9455_usb_event_id(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) u8 opa_mode, u8 iaicr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) if (opa_mode == RT9455_CHARGE_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) ret = rt9455_set_boost_voltage_before_boost_mode(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) dev_err(dev, "Failed to set boost output voltage before entering boost mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) * If the charger is in charge mode, and it has received
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) * USB_EVENT_ID, this means a consumer device is connected and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) * it should be powered by the charger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) * In this case, the charger goes into boost mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) dev_dbg(dev, "USB_EVENT_ID received, therefore the charger goes into boost mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) RT9455_BOOST_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) dev_err(dev, "Failed to set charger in boost mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) dev_dbg(dev, "USB_EVENT_ID received, therefore IAICR is set to its minimum value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) if (iaicr != RT9455_IAICR_100MA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) ret = regmap_field_write(info->regmap_fields[F_IAICR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) RT9455_IAICR_100MA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) dev_err(dev, "Failed to set IAICR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) static int rt9455_usb_event_charger(struct rt9455_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) u8 opa_mode, u8 iaicr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) if (opa_mode == RT9455_BOOST_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) ret = rt9455_set_voreg_before_charge_mode(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) dev_err(dev, "Failed to set VOREG before entering charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) * If the charger is in boost mode, and it has received
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) * USB_EVENT_CHARGER, this means the consumer device powered by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) * the charger is not connected anymore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) * In this case, the charger goes into charge mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) dev_dbg(dev, "USB_EVENT_CHARGER received, therefore the charger goes into charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) ret = regmap_field_write(info->regmap_fields[F_OPA_MODE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) RT9455_CHARGE_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) dev_err(dev, "Failed to set charger in charge mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) dev_dbg(dev, "USB_EVENT_CHARGER received, therefore IAICR is set to no current limit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) if (iaicr != RT9455_IAICR_NO_LIMIT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) ret = regmap_field_write(info->regmap_fields[F_IAICR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) RT9455_IAICR_NO_LIMIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) dev_err(dev, "Failed to set IAICR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) static int rt9455_usb_event(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) unsigned long event, void *power)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) struct rt9455_info *info = container_of(nb, struct rt9455_info, nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) unsigned int opa_mode, iaicr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) * Determine whether the charger is in charge mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) * or in boost mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) ret = regmap_field_read(info->regmap_fields[F_OPA_MODE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) &opa_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) dev_err(dev, "Failed to read OPA_MODE value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) ret = regmap_field_read(info->regmap_fields[F_IAICR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) &iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) dev_err(dev, "Failed to read IAICR value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) dev_dbg(dev, "Received USB event %lu\n", event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) case USB_EVENT_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) return rt9455_usb_event_none(info, opa_mode, iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) case USB_EVENT_VBUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) return rt9455_usb_event_vbus(info, opa_mode, iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) case USB_EVENT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) return rt9455_usb_event_id(info, opa_mode, iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) case USB_EVENT_CHARGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) return rt9455_usb_event_charger(info, opa_mode, iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) dev_err(dev, "Unknown USB event\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) static void rt9455_pwr_rdy_work_callback(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) struct rt9455_info *info = container_of(work, struct rt9455_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) pwr_rdy_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) unsigned int pwr_rdy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) ret = regmap_field_read(info->regmap_fields[F_PWR_RDY], &pwr_rdy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) dev_err(dev, "Failed to read PWR_RDY bit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) switch (pwr_rdy) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) case RT9455_PWR_FAULT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) dev_dbg(dev, "Charger disconnected from power source\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) cancel_delayed_work_sync(&info->max_charging_time_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) case RT9455_PWR_GOOD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) dev_dbg(dev, "Charger connected to power source\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) ret = regmap_field_write(info->regmap_fields[F_CHG_EN],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) RT9455_CHARGE_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) dev_err(dev, "Failed to enable charging\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) &info->max_charging_time_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) RT9455_MAX_CHARGING_TIME * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) * Notify userspace that the charger has been either connected to or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) * disconnected from the power source.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) power_supply_changed(info->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) static void rt9455_max_charging_time_work_callback(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) struct rt9455_info *info = container_of(work, struct rt9455_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) max_charging_time_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) dev_err(dev, "Battery has been charging for at least 6 hours and is not yet fully charged. Battery is dead, therefore charging is disabled.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) ret = regmap_field_write(info->regmap_fields[F_CHG_EN],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) RT9455_CHARGE_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) dev_err(dev, "Failed to disable charging\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) static void rt9455_batt_presence_work_callback(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) struct rt9455_info *info = container_of(work, struct rt9455_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) batt_presence_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) struct device *dev = &info->client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) unsigned int irq1, mask1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) ret = regmap_read(info->regmap, RT9455_REG_IRQ1, &irq1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) dev_err(dev, "Failed to read IRQ1 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) * If the battery is still absent, batt_presence_work is rescheduled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) * Otherwise, max_charging_time is scheduled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) if (irq1 & GET_MASK(F_BATAB)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) &info->batt_presence_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) RT9455_BATT_PRESENCE_DELAY * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) queue_delayed_work(system_power_efficient_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) &info->max_charging_time_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) RT9455_MAX_CHARGING_TIME * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) ret = regmap_read(info->regmap, RT9455_REG_MASK1, &mask1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) dev_err(dev, "Failed to read MASK1 register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) if (mask1 & GET_MASK(F_BATABM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) ret = regmap_field_write(info->regmap_fields[F_BATABM],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) dev_err(dev, "Failed to unmask BATAB interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) * Notify userspace that the battery is now connected to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) * charger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) power_supply_changed(info->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) static const struct power_supply_desc rt9455_charger_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) .name = RT9455_DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) .type = POWER_SUPPLY_TYPE_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) .properties = rt9455_charger_properties,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) .num_properties = ARRAY_SIZE(rt9455_charger_properties),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) .get_property = rt9455_charger_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) static bool rt9455_is_writeable_reg(struct device *dev, unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) switch (reg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) case RT9455_REG_DEV_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) case RT9455_REG_IRQ1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) case RT9455_REG_IRQ2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) case RT9455_REG_IRQ3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) static bool rt9455_is_volatile_reg(struct device *dev, unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) switch (reg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) case RT9455_REG_DEV_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) case RT9455_REG_CTRL5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) case RT9455_REG_CTRL6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) static const struct regmap_config rt9455_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) .writeable_reg = rt9455_is_writeable_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) .volatile_reg = rt9455_is_volatile_reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) .max_register = RT9455_REG_MASK3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) .cache_type = REGCACHE_RBTREE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) static int rt9455_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) struct i2c_adapter *adapter = client->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) struct rt9455_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) struct power_supply_config rt9455_charger_config = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) * Mandatory device-specific data values. Also, VOREG and boost output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) * voltage are mandatory values, but they are stored in rt9455_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) * structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) u32 ichrg, ieoc_percentage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) /* Optional device-specific data values. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) u32 mivr = -1, iaicr = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) dev_err(dev, "No support for SMBUS_BYTE_DATA\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) info->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) i2c_set_clientdata(client, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) info->regmap = devm_regmap_init_i2c(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) &rt9455_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) if (IS_ERR(info->regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) dev_err(dev, "Failed to initialize register map\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) for (i = 0; i < F_MAX_FIELDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) info->regmap_fields[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) devm_regmap_field_alloc(dev, info->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) rt9455_reg_fields[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) if (IS_ERR(info->regmap_fields[i])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) dev_err(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) "Failed to allocate regmap field = %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) return PTR_ERR(info->regmap_fields[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) ret = rt9455_discover_charger(info, &ichrg, &ieoc_percentage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) &mivr, &iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) dev_err(dev, "Failed to discover charger\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) #if IS_ENABLED(CONFIG_USB_PHY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) info->usb_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) if (IS_ERR(info->usb_phy)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) dev_err(dev, "Failed to get USB transceiver\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) info->nb.notifier_call = rt9455_usb_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) ret = usb_register_notifier(info->usb_phy, &info->nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) dev_err(dev, "Failed to register USB notifier\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) * If usb_register_notifier() fails, set notifier_call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) * to NULL, to avoid calling usb_unregister_notifier().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) info->nb.notifier_call = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) INIT_DEFERRABLE_WORK(&info->pwr_rdy_work, rt9455_pwr_rdy_work_callback);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) INIT_DEFERRABLE_WORK(&info->max_charging_time_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) rt9455_max_charging_time_work_callback);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) INIT_DEFERRABLE_WORK(&info->batt_presence_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) rt9455_batt_presence_work_callback);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) rt9455_charger_config.of_node = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) rt9455_charger_config.drv_data = info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) rt9455_charger_config.supplied_to = rt9455_charger_supplied_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) rt9455_charger_config.num_supplicants =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) ARRAY_SIZE(rt9455_charger_supplied_to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) ret = devm_request_threaded_irq(dev, client->irq, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) rt9455_irq_handler_thread,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) IRQF_TRIGGER_LOW | IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) RT9455_DRIVER_NAME, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) dev_err(dev, "Failed to register IRQ handler\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) goto put_usb_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) ret = rt9455_hw_init(info, ichrg, ieoc_percentage, mivr, iaicr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) dev_err(dev, "Failed to set charger to its default values\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) goto put_usb_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) info->charger = devm_power_supply_register(dev, &rt9455_charger_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) &rt9455_charger_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) if (IS_ERR(info->charger)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) dev_err(dev, "Failed to register charger\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) ret = PTR_ERR(info->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) goto put_usb_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) put_usb_notifier:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) #if IS_ENABLED(CONFIG_USB_PHY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) if (info->nb.notifier_call) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) usb_unregister_notifier(info->usb_phy, &info->nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) info->nb.notifier_call = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) static int rt9455_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) struct rt9455_info *info = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) ret = rt9455_register_reset(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) dev_err(&info->client->dev, "Failed to set charger to its default values\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) #if IS_ENABLED(CONFIG_USB_PHY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) if (info->nb.notifier_call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) usb_unregister_notifier(info->usb_phy, &info->nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) cancel_delayed_work_sync(&info->pwr_rdy_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) cancel_delayed_work_sync(&info->max_charging_time_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) cancel_delayed_work_sync(&info->batt_presence_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) static const struct i2c_device_id rt9455_i2c_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) { RT9455_DRIVER_NAME, 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) MODULE_DEVICE_TABLE(i2c, rt9455_i2c_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) static const struct of_device_id rt9455_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) { .compatible = "richtek,rt9455", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) MODULE_DEVICE_TABLE(of, rt9455_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) #ifdef CONFIG_ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) static const struct acpi_device_id rt9455_i2c_acpi_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) { "RT945500", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) MODULE_DEVICE_TABLE(acpi, rt9455_i2c_acpi_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) static struct i2c_driver rt9455_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) .probe = rt9455_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) .remove = rt9455_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) .id_table = rt9455_i2c_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) .name = RT9455_DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) .of_match_table = of_match_ptr(rt9455_of_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) .acpi_match_table = ACPI_PTR(rt9455_i2c_acpi_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) module_i2c_driver(rt9455_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) MODULE_AUTHOR("Anda-Maria Nicolae <anda-maria.nicolae@intel.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) MODULE_DESCRIPTION("Richtek RT9455 Charger Driver");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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