^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) * TI BQ25890 charger driver
^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/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/regulator/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/delay.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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define BQ25890_MANUFACTURER "Texas Instruments"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define BQ25890_IRQ_PIN "bq25890_irq"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define BQ25890_ID 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define BQ25895_ID 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define BQ25896_ID 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define SY6970_ID 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) enum bq25890_chip_version {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) BQ25890,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) BQ25892,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) BQ25895,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) BQ25896,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) SY6970,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static const char *const bq25890_chip_name[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) "BQ25890",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) "BQ25892",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) "BQ25895",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) "BQ25896",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) "SY6970",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) enum bq25890_fields {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) F_EN_HIZ, F_EN_ILIM, F_IILIM, /* Reg00 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) F_BHOT, F_BCOLD, F_VINDPM_OFS, /* Reg01 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) F_CONV_START, F_CONV_RATE, F_BOOSTF, F_ICO_EN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) F_HVDCP_EN, F_MAXC_EN, F_FORCE_DPM, F_AUTO_DPDM_EN, /* Reg02 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) F_BAT_LOAD_EN, F_WD_RST, F_OTG_CFG, F_CHG_CFG, F_SYSVMIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) F_MIN_VBAT_SEL, /* Reg03 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) F_PUMPX_EN, F_ICHG, /* Reg04 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) F_IPRECHG, F_ITERM, /* Reg05 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) F_VREG, F_BATLOWV, F_VRECHG, /* Reg06 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) F_TERM_EN, F_STAT_DIS, F_WD, F_TMR_EN, F_CHG_TMR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) F_JEITA_ISET, /* Reg07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) F_BATCMP, F_VCLAMP, F_TREG, /* Reg08 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) F_FORCE_ICO, F_TMR2X_EN, F_BATFET_DIS, F_JEITA_VSET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) F_BATFET_DLY, F_BATFET_RST_EN, F_PUMPX_UP, F_PUMPX_DN, /* Reg09 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) F_BOOSTV, F_PFM_OTG_DIS, F_BOOSTI, /* Reg0A */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) F_VBUS_STAT, F_CHG_STAT, F_PG_STAT, F_SDP_STAT, F_0B_RSVD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) F_VSYS_STAT, /* Reg0B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) F_WD_FAULT, F_BOOST_FAULT, F_CHG_FAULT, F_BAT_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) F_NTC_FAULT, /* Reg0C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) F_FORCE_VINDPM, F_VINDPM, /* Reg0D */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) F_THERM_STAT, F_BATV, /* Reg0E */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) F_SYSV, /* Reg0F */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) F_TSPCT, /* Reg10 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) F_VBUS_GD, F_VBUSV, /* Reg11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) F_ICHGR, /* Reg12 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) F_VDPM_STAT, F_IDPM_STAT, F_IDPM_LIM, /* Reg13 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) F_REG_RST, F_ICO_OPTIMIZED, F_PN, F_TS_PROFILE, F_DEV_REV, /* Reg14 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) F_MAX_FIELDS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /* initial field values, converted to register values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct bq25890_init_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u8 ichg; /* charge current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) u8 vreg; /* regulation voltage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) u8 iterm; /* termination current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) u8 iprechg; /* precharge current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) u8 sysvmin; /* minimum system voltage limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u8 boostv; /* boost regulation voltage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) u8 boosti; /* boost current limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) u8 boostf; /* boost frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) u8 ilim_en; /* enable ILIM pin */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) u8 treg; /* thermal regulation threshold */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) u8 rbatcomp; /* IBAT sense resistor value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 vclamp; /* IBAT compensation voltage limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct bq25890_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u8 online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) u8 chrg_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) u8 chrg_fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) u8 vsys_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) u8 boost_fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u8 bat_fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct bq25890_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct power_supply *charger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct usb_phy *usb_phy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct notifier_block usb_nb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct work_struct usb_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) unsigned long usb_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct gpio_desc *otg_mode_en_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct regulator_dev *otg_vbus_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct regmap *rmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct regmap_field *rmap_fields[F_MAX_FIELDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) enum bq25890_chip_version chip_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct bq25890_init_data init_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct bq25890_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct workqueue_struct *charger_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct delayed_work pd_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct notifier_block nb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct device_node *notify_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) int pd_vol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) int pd_cur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct mutex lock; /* protect state data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static const struct regmap_range bq25890_readonly_reg_ranges[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) regmap_reg_range(0x0b, 0x0c),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) regmap_reg_range(0x0e, 0x13),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static const struct regmap_access_table bq25890_writeable_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .no_ranges = bq25890_readonly_reg_ranges,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .n_no_ranges = ARRAY_SIZE(bq25890_readonly_reg_ranges),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static const struct regmap_range bq25890_volatile_reg_ranges[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) regmap_reg_range(0x00, 0x00),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) regmap_reg_range(0x02, 0x02),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) regmap_reg_range(0x09, 0x09),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) regmap_reg_range(0x0b, 0x14),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static const struct regmap_access_table bq25890_volatile_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .yes_ranges = bq25890_volatile_reg_ranges,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .n_yes_ranges = ARRAY_SIZE(bq25890_volatile_reg_ranges),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static const struct regmap_config bq25890_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .max_register = 0x14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .cache_type = REGCACHE_RBTREE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .wr_table = &bq25890_writeable_regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .volatile_table = &bq25890_volatile_regs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static const struct reg_field bq25890_reg_fields[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /* REG00 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) [F_EN_HIZ] = REG_FIELD(0x00, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) [F_EN_ILIM] = REG_FIELD(0x00, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) [F_IILIM] = REG_FIELD(0x00, 0, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /* REG01 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) [F_BHOT] = REG_FIELD(0x01, 6, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) [F_BCOLD] = REG_FIELD(0x01, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) [F_VINDPM_OFS] = REG_FIELD(0x01, 0, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* REG02 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) [F_CONV_START] = REG_FIELD(0x02, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) [F_CONV_RATE] = REG_FIELD(0x02, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) [F_BOOSTF] = REG_FIELD(0x02, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) [F_ICO_EN] = REG_FIELD(0x02, 4, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) [F_HVDCP_EN] = REG_FIELD(0x02, 3, 3), // reserved on BQ25896
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) [F_MAXC_EN] = REG_FIELD(0x02, 2, 2), // reserved on BQ25896
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) [F_FORCE_DPM] = REG_FIELD(0x02, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) [F_AUTO_DPDM_EN] = REG_FIELD(0x02, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* REG03 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) [F_BAT_LOAD_EN] = REG_FIELD(0x03, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) [F_WD_RST] = REG_FIELD(0x03, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) [F_OTG_CFG] = REG_FIELD(0x03, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) [F_CHG_CFG] = REG_FIELD(0x03, 4, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) [F_SYSVMIN] = REG_FIELD(0x03, 1, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) [F_MIN_VBAT_SEL] = REG_FIELD(0x03, 0, 0), // BQ25896 only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) /* REG04 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) [F_PUMPX_EN] = REG_FIELD(0x04, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) [F_ICHG] = REG_FIELD(0x04, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /* REG05 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) [F_IPRECHG] = REG_FIELD(0x05, 4, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) [F_ITERM] = REG_FIELD(0x05, 0, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /* REG06 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) [F_VREG] = REG_FIELD(0x06, 2, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) [F_BATLOWV] = REG_FIELD(0x06, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) [F_VRECHG] = REG_FIELD(0x06, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* REG07 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) [F_TERM_EN] = REG_FIELD(0x07, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) [F_STAT_DIS] = REG_FIELD(0x07, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) [F_WD] = REG_FIELD(0x07, 4, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) [F_TMR_EN] = REG_FIELD(0x07, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) [F_CHG_TMR] = REG_FIELD(0x07, 1, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) [F_JEITA_ISET] = REG_FIELD(0x07, 0, 0), // reserved on BQ25895
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /* REG08 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) [F_BATCMP] = REG_FIELD(0x08, 5, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) [F_VCLAMP] = REG_FIELD(0x08, 2, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) [F_TREG] = REG_FIELD(0x08, 0, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* REG09 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) [F_FORCE_ICO] = REG_FIELD(0x09, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) [F_TMR2X_EN] = REG_FIELD(0x09, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) [F_BATFET_DIS] = REG_FIELD(0x09, 5, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) [F_JEITA_VSET] = REG_FIELD(0x09, 4, 4), // reserved on BQ25895
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) [F_BATFET_DLY] = REG_FIELD(0x09, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) [F_BATFET_RST_EN] = REG_FIELD(0x09, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) [F_PUMPX_UP] = REG_FIELD(0x09, 1, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) [F_PUMPX_DN] = REG_FIELD(0x09, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* REG0A */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) [F_BOOSTV] = REG_FIELD(0x0A, 4, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) [F_BOOSTI] = REG_FIELD(0x0A, 0, 2), // reserved on BQ25895
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) [F_PFM_OTG_DIS] = REG_FIELD(0x0A, 3, 3), // BQ25896 only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) /* REG0B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) [F_VBUS_STAT] = REG_FIELD(0x0B, 5, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) [F_CHG_STAT] = REG_FIELD(0x0B, 3, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) [F_PG_STAT] = REG_FIELD(0x0B, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) [F_SDP_STAT] = REG_FIELD(0x0B, 1, 1), // reserved on BQ25896
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) [F_VSYS_STAT] = REG_FIELD(0x0B, 0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) /* REG0C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) [F_WD_FAULT] = REG_FIELD(0x0C, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) [F_BOOST_FAULT] = REG_FIELD(0x0C, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) [F_CHG_FAULT] = REG_FIELD(0x0C, 4, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) [F_BAT_FAULT] = REG_FIELD(0x0C, 3, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) [F_NTC_FAULT] = REG_FIELD(0x0C, 0, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /* REG0D */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) [F_FORCE_VINDPM] = REG_FIELD(0x0D, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) [F_VINDPM] = REG_FIELD(0x0D, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) /* REG0E */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) [F_THERM_STAT] = REG_FIELD(0x0E, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) [F_BATV] = REG_FIELD(0x0E, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) /* REG0F */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) [F_SYSV] = REG_FIELD(0x0F, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) /* REG10 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) [F_TSPCT] = REG_FIELD(0x10, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /* REG11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) [F_VBUS_GD] = REG_FIELD(0x11, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) [F_VBUSV] = REG_FIELD(0x11, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /* REG12 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) [F_ICHGR] = REG_FIELD(0x12, 0, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /* REG13 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) [F_VDPM_STAT] = REG_FIELD(0x13, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) [F_IDPM_STAT] = REG_FIELD(0x13, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) [F_IDPM_LIM] = REG_FIELD(0x13, 0, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) /* REG14 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) [F_REG_RST] = REG_FIELD(0x14, 7, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) [F_ICO_OPTIMIZED] = REG_FIELD(0x14, 6, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) [F_PN] = REG_FIELD(0x14, 3, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) [F_TS_PROFILE] = REG_FIELD(0x14, 2, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) [F_DEV_REV] = REG_FIELD(0x14, 0, 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * Most of the val -> idx conversions can be computed, given the minimum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * maximum and the step between values. For the rest of conversions, we use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * lookup tables.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) enum bq25890_table_ids {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) /* range tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) TBL_ICHG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) TBL_ITERM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) TBL_IILIM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) TBL_VREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) TBL_BOOSTV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) TBL_SYSVMIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) TBL_VBATCOMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) TBL_RBATCOMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) TBL_VINDPM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) /* lookup tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) TBL_TREG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) TBL_BOOSTI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* Thermal Regulation Threshold lookup table, in degrees Celsius */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static const u32 bq25890_treg_tbl[] = { 60, 80, 100, 120 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) #define BQ25890_TREG_TBL_SIZE ARRAY_SIZE(bq25890_treg_tbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) /* Boost mode current limit lookup table, in uA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static const u32 bq25890_boosti_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 500000, 700000, 1100000, 1300000, 1600000, 1800000, 2100000, 2400000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) #define BQ25890_BOOSTI_TBL_SIZE ARRAY_SIZE(bq25890_boosti_tbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) struct bq25890_range {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) u32 min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) u32 max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) u32 step;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) struct bq25890_lookup {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) const u32 *tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) static const union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct bq25890_range rt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) struct bq25890_lookup lt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) } bq25890_tables[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) /* range tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) /* TODO: BQ25896 has max ICHG 3008 mA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) [TBL_ICHG] = { .rt = {0, 5056000, 64000} }, /* uA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) [TBL_ITERM] = { .rt = {64000, 1024000, 64000} }, /* uA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) [TBL_IILIM] = { .rt = {100000, 3250000, 50000} }, /* uA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) [TBL_VREG] = { .rt = {3840000, 4608000, 16000} }, /* uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) [TBL_BOOSTV] = { .rt = {4550000, 5510000, 64000} }, /* uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) [TBL_SYSVMIN] = { .rt = {3000000, 3700000, 100000} }, /* uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) [TBL_VBATCOMP] ={ .rt = {0, 224000, 32000} }, /* uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) [TBL_RBATCOMP] ={ .rt = {0, 140000, 20000} }, /* uOhm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) [TBL_VINDPM] = { .rt = {100000, 3100000, 100000} }, /* uV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /* lookup tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) [TBL_TREG] = { .lt = {bq25890_treg_tbl, BQ25890_TREG_TBL_SIZE} },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) [TBL_BOOSTI] = { .lt = {bq25890_boosti_tbl, BQ25890_BOOSTI_TBL_SIZE} }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static int bq25890_field_read(struct bq25890_device *bq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) enum bq25890_fields field_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) ret = regmap_field_read(bq->rmap_fields[field_id], &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) static int bq25890_field_write(struct bq25890_device *bq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) enum bq25890_fields field_id, u8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return regmap_field_write(bq->rmap_fields[field_id], val);
^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 u8 bq25890_find_idx(u32 value, enum bq25890_table_ids id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) u8 idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (id >= TBL_TREG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) const u32 *tbl = bq25890_tables[id].lt.tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) u32 tbl_size = bq25890_tables[id].lt.size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) for (idx = 1; idx < tbl_size && tbl[idx] <= value; idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) const struct bq25890_range *rtbl = &bq25890_tables[id].rt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) u8 rtbl_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) rtbl_size = (rtbl->max - rtbl->min) / rtbl->step + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) for (idx = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) idx < rtbl_size && (idx * rtbl->step + rtbl->min <= value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) return idx - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) static u32 bq25890_find_val(u8 idx, enum bq25890_table_ids id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) const struct bq25890_range *rtbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) /* lookup table? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (id >= TBL_TREG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) return bq25890_tables[id].lt.tbl[idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) /* range table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) rtbl = &bq25890_tables[id].rt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) return (rtbl->min + idx * rtbl->step);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) enum bq25890_status {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) STATUS_NOT_CHARGING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) STATUS_PRE_CHARGING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) STATUS_FAST_CHARGING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) STATUS_TERMINATION_DONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) enum bq25890_chrg_fault {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) CHRG_FAULT_NORMAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) CHRG_FAULT_INPUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) CHRG_FAULT_THERMAL_SHUTDOWN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) CHRG_FAULT_TIMER_EXPIRED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) static bool bq25890_is_adc_property(enum power_supply_property psp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) static irqreturn_t __bq25890_handle_irq(struct bq25890_device *bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) static int bq25890_power_supply_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct bq25890_device *bq = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct bq25890_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) bool do_adc_conv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) mutex_lock(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) /* update state in case we lost an interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) __bq25890_handle_irq(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) state = bq->state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) do_adc_conv = !state.online && bq25890_is_adc_property(psp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (do_adc_conv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) bq25890_field_write(bq, F_CONV_START, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) mutex_unlock(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (do_adc_conv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) regmap_field_read_poll_timeout(bq->rmap_fields[F_CONV_START],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) ret, !ret, 25000, 1000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (!state.online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) else if (state.chrg_status == STATUS_NOT_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) else if (state.chrg_status == STATUS_PRE_CHARGING ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) state.chrg_status == STATUS_FAST_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) val->intval = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) else if (state.chrg_status == STATUS_TERMINATION_DONE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) val->intval = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) case POWER_SUPPLY_PROP_CHARGE_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) if (!state.online || state.chrg_status == STATUS_NOT_CHARGING ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) state.chrg_status == STATUS_TERMINATION_DONE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) else if (state.chrg_status == STATUS_PRE_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) val->intval = POWER_SUPPLY_CHARGE_TYPE_STANDARD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) else if (state.chrg_status == STATUS_FAST_CHARGING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) else /* unreachable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) val->intval = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) case POWER_SUPPLY_PROP_MANUFACTURER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) val->strval = BQ25890_MANUFACTURER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) case POWER_SUPPLY_PROP_MODEL_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) val->strval = bq25890_chip_name[bq->chip_version];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) val->intval = state.online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) case POWER_SUPPLY_PROP_HEALTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (!state.chrg_fault && !state.bat_fault && !state.boost_fault)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) val->intval = POWER_SUPPLY_HEALTH_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) else if (state.bat_fault)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) else if (state.chrg_fault == CHRG_FAULT_TIMER_EXPIRED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) val->intval = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) else if (state.chrg_fault == CHRG_FAULT_THERMAL_SHUTDOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) val->intval = bq25890_find_val(bq->init_data.ichg, TBL_ICHG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) if (!state.online) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) val->intval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) ret = bq25890_field_read(bq, F_BATV); /* read measured value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) /* converted_val = 2.304V + ADC_val * 20mV (table 10.3.15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) val->intval = 2304000 + ret * 20000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) val->intval = bq25890_find_val(bq->init_data.vreg, TBL_VREG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) val->intval = bq25890_find_val(bq->init_data.iprechg, TBL_ITERM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) val->intval = bq25890_find_val(bq->init_data.iterm, TBL_ITERM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) ret = bq25890_field_read(bq, F_IILIM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) val->intval = bq25890_find_val(ret, TBL_IILIM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) ret = bq25890_field_read(bq, F_SYSV); /* read measured value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) /* converted_val = 2.304V + ADC_val * 20mV (table 10.3.15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) val->intval = 2304000 + ret * 20000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) ret = bq25890_field_read(bq, F_ICHGR); /* read measured value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) /* converted_val = ADC_val * 50mA (table 10.3.19) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) val->intval = ret * -50000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) static int bq25890_get_chip_state(struct bq25890_device *bq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) struct bq25890_state *state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) enum bq25890_fields id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) } state_fields[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) {F_CHG_STAT, &state->chrg_status},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) {F_PG_STAT, &state->online},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) {F_VSYS_STAT, &state->vsys_status},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) {F_BOOST_FAULT, &state->boost_fault},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) {F_BAT_FAULT, &state->bat_fault},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) {F_CHG_FAULT, &state->chrg_fault}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) for (i = 0; i < ARRAY_SIZE(state_fields); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) ret = bq25890_field_read(bq, state_fields[i].id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) *state_fields[i].data = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) dev_dbg(bq->dev, "S:CHG/PG/VSYS=%d/%d/%d, F:CHG/BOOST/BAT=%d/%d/%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) state->chrg_status, state->online, state->vsys_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) state->chrg_fault, state->boost_fault, state->bat_fault);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) static irqreturn_t __bq25890_handle_irq(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) struct bq25890_state new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) ret = bq25890_get_chip_state(bq, &new_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) if (!memcmp(&bq->state, &new_state, sizeof(new_state)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) if (!new_state.online && bq->state.online) { /* power removed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) /* disable ADC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) ret = bq25890_field_write(bq, F_CONV_RATE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) } else if (new_state.online && !bq->state.online) { /* power inserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) /* enable ADC, to have control of charge current/voltage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) ret = bq25890_field_write(bq, F_CONV_RATE, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) bq->state = new_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) power_supply_changed(bq->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) dev_err(bq->dev, "Error communicating with the chip: %pe\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) ERR_PTR(ret));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) static irqreturn_t bq25890_irq_handler_thread(int irq, void *private)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) struct bq25890_device *bq = private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) irqreturn_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) mutex_lock(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) ret = __bq25890_handle_irq(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) mutex_unlock(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) static int bq25890_chip_reset(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) int rst_check_counter = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) ret = bq25890_field_write(bq, F_REG_RST, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) ret = bq25890_field_read(bq, F_REG_RST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) usleep_range(5, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) } while (ret == 1 && --rst_check_counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) if (!rst_check_counter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) static int bq25890_hw_init(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) enum bq25890_fields id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) } init_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) {F_ICHG, bq->init_data.ichg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) {F_VREG, bq->init_data.vreg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) {F_ITERM, bq->init_data.iterm},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) {F_IPRECHG, bq->init_data.iprechg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) {F_SYSVMIN, bq->init_data.sysvmin},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) {F_BOOSTV, bq->init_data.boostv},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) {F_BOOSTI, bq->init_data.boosti},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) {F_BOOSTF, bq->init_data.boostf},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) {F_EN_ILIM, bq->init_data.ilim_en},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) {F_TREG, bq->init_data.treg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) {F_BATCMP, bq->init_data.rbatcomp},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) {F_VCLAMP, bq->init_data.vclamp},
^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) ret = bq25890_chip_reset(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) dev_dbg(bq->dev, "Reset failed %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) /* disable watchdog */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) ret = bq25890_field_write(bq, F_WD, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) dev_dbg(bq->dev, "Disabling watchdog failed %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) /* initialize currents/voltages and other parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) for (i = 0; i < ARRAY_SIZE(init_data); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) ret = bq25890_field_write(bq, init_data[i].id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) init_data[i].value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) dev_dbg(bq->dev, "Writing init data failed %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) /* Configure ADC for continuous conversions when charging */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) ret = bq25890_field_write(bq, F_CONV_RATE, !!bq->state.online);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) dev_dbg(bq->dev, "Config ADC failed %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) ret = bq25890_get_chip_state(bq, &bq->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) dev_dbg(bq->dev, "Get state failed %d\n", ret);
^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) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) static const enum power_supply_property bq25890_power_supply_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) POWER_SUPPLY_PROP_MANUFACTURER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) POWER_SUPPLY_PROP_MODEL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) POWER_SUPPLY_PROP_CHARGE_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) POWER_SUPPLY_PROP_HEALTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) POWER_SUPPLY_PROP_CURRENT_NOW,
^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) static char *bq25890_charger_supplied_to[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) "main-battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) static const struct power_supply_desc bq25890_power_supply_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) .name = "bq25890-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) .type = POWER_SUPPLY_TYPE_USB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) .properties = bq25890_power_supply_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) .num_properties = ARRAY_SIZE(bq25890_power_supply_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) .get_property = bq25890_power_supply_get_property,
^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) static int bq25890_power_supply_init(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) struct power_supply_config psy_cfg = { .drv_data = bq, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) psy_cfg.supplied_to = bq25890_charger_supplied_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) psy_cfg.num_supplicants = ARRAY_SIZE(bq25890_charger_supplied_to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) psy_cfg.of_node = bq->dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) bq->charger = power_supply_register(bq->dev, &bq25890_power_supply_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) return PTR_ERR_OR_ZERO(bq->charger);
^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) static void bq25890_usb_work(struct work_struct *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) struct bq25890_device *bq =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) container_of(data, struct bq25890_device, usb_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) switch (bq->usb_event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) case USB_EVENT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) /* Enable boost mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) ret = bq25890_field_write(bq, F_OTG_CFG, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) case USB_EVENT_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) /* Disable boost mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) ret = bq25890_field_write(bq, F_OTG_CFG, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) power_supply_changed(bq->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) dev_err(bq->dev, "Error switching to boost/charger mode.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) static int bq25890_usb_notifier(struct notifier_block *nb, unsigned long val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) void *priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) struct bq25890_device *bq =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) container_of(nb, struct bq25890_device, usb_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) bq->usb_event = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) queue_work(system_power_efficient_wq, &bq->usb_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) static int bq25890_get_chip_version(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) int id, rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) id = bq25890_field_read(bq, F_PN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) if (id < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) dev_err(bq->dev, "Cannot read chip ID.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) return id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) rev = bq25890_field_read(bq, F_DEV_REV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) if (rev < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) dev_err(bq->dev, "Cannot read chip revision.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) return rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) switch (id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) case BQ25890_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) bq->chip_version = BQ25890;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) /* BQ25892 and BQ25896 share same ID 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) case BQ25896_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) switch (rev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) bq->chip_version = BQ25896;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) bq->chip_version = BQ25892;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) dev_err(bq->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) "Unknown device revision %d, assume BQ25892\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) bq->chip_version = BQ25892;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) case BQ25895_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) bq->chip_version = BQ25895;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) case SY6970_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) bq->chip_version = SY6970;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) dev_err(bq->dev, "Unknown chip ID %d\n", id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) static int bq25890_irq_probe(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) struct gpio_desc *irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) irq = devm_gpiod_get(bq->dev, BQ25890_IRQ_PIN, GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) if (IS_ERR(irq)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) dev_err(bq->dev, "Could not probe irq pin.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) return PTR_ERR(irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) return gpiod_to_irq(irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) static int bq25890_fw_read_u32_props(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) u32 property;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) struct bq25890_init_data *init = &bq->init_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) bool optional;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) enum bq25890_table_ids tbl_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) u8 *conv_data; /* holds converted value from given property */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) } props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) /* required properties */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) {"ti,charge-current", false, TBL_ICHG, &init->ichg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) {"ti,battery-regulation-voltage", false, TBL_VREG, &init->vreg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) {"ti,termination-current", false, TBL_ITERM, &init->iterm},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) {"ti,precharge-current", false, TBL_ITERM, &init->iprechg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) {"ti,minimum-sys-voltage", false, TBL_SYSVMIN, &init->sysvmin},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) {"ti,boost-voltage", false, TBL_BOOSTV, &init->boostv},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) {"ti,boost-max-current", false, TBL_BOOSTI, &init->boosti},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) /* optional properties */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) {"ti,thermal-regulation-threshold", true, TBL_TREG, &init->treg},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) {"ti,ibatcomp-micro-ohms", true, TBL_RBATCOMP, &init->rbatcomp},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) {"ti,ibatcomp-clamp-microvolt", true, TBL_VBATCOMP, &init->vclamp},
^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) /* initialize data for optional properties */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) init->treg = 3; /* 120 degrees Celsius */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) init->rbatcomp = init->vclamp = 0; /* IBAT compensation disabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) for (i = 0; i < ARRAY_SIZE(props); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) ret = device_property_read_u32(bq->dev, props[i].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) &property);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) if (props[i].optional)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) dev_err(bq->dev, "Unable to read property %d %s\n", ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) props[i].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) *props[i].conv_data = bq25890_find_idx(property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) props[i].tbl_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) return 0;
^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) static int bq25890_fw_probe(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) struct bq25890_init_data *init = &bq->init_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) ret = bq25890_fw_read_u32_props(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) init->ilim_en = device_property_read_bool(bq->dev, "ti,use-ilim-pin");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) init->boostf = device_property_read_bool(bq->dev, "ti,boost-low-freq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) bq->notify_node = of_parse_phandle(bq->dev->of_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) "ti,usb-charger-detection", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) bq->otg_mode_en_io = devm_gpiod_get_optional(bq->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) "otg-mode-en",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) if (!IS_ERR_OR_NULL(bq->otg_mode_en_io))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) gpiod_direction_output(bq->otg_mode_en_io, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) static void bq25890_set_pd_param(struct bq25890_device *bq, int vol, int cur)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) int vindpm, iilim, ichg, vol_limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) iilim = bq25890_find_idx(cur, TBL_IILIM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) ichg = bq25890_find_idx(cur, TBL_ICHG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) vol_limit = vol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) if (vol < 5000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) vol_limit = 5000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) vol_limit = vol_limit - 1280000 - 3200000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) if (vol > 6000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) vol_limit /= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) vindpm = bq25890_find_idx(vol_limit, TBL_VINDPM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) while (!bq25890_field_read(bq, F_PG_STAT) && i < 5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) msleep(500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) bq25890_field_write(bq, F_IILIM, iilim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) bq25890_field_write(bq, F_VINDPM_OFS, vindpm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) bq25890_field_write(bq, F_ICHG, ichg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) dev_info(bq->dev, "vol=%d cur=%d INPUT_CURRENT:%x, INPUT_VOLTAGE:%x, CHARGE_CURRENT:%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) vol, cur, iilim, vindpm, ichg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) bq25890_get_chip_state(bq, &bq->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) power_supply_changed(bq->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) static int bq25890_pd_notifier_call(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) unsigned long val, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) struct bq25890_device *bq =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) container_of(nb, struct bq25890_device, nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) struct power_supply *psy = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) union power_supply_propval prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) if (val != PSY_EVENT_PROP_CHANGED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) /* Ignore event if it was not send by notify_node/notify_device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) if (bq->notify_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) if (!psy->dev.parent ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) psy->dev.parent->of_node != bq->notify_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_ONLINE, &prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) /* online=0: USB out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) if (prop.intval == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) bq->pd_cur = 450000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) bq->pd_vol = 5000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) queue_delayed_work(bq->charger_wq, &bq->pd_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) msecs_to_jiffies(10));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_CURRENT_NOW, &prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) bq->pd_cur = prop.intval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) if (bq->pd_cur > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) &prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) bq->pd_vol = prop.intval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) queue_delayed_work(bq->charger_wq, &bq->pd_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) msecs_to_jiffies(100));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) static void bq25890_pd_evt_worker(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) struct bq25890_device *bq = container_of(work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) struct bq25890_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) pd_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) bq25890_set_pd_param(bq, bq->pd_vol, bq->pd_cur);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) static int bq25890_register_pd_psy(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) struct power_supply *notify_psy = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) union power_supply_propval prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) if (!bq->notify_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) bq->charger_wq = alloc_ordered_workqueue("%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) WQ_MEM_RECLAIM |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) WQ_FREEZABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) "bq25890-charge-wq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) INIT_DELAYED_WORK(&bq->pd_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) bq25890_pd_evt_worker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) bq->nb.notifier_call = bq25890_pd_notifier_call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) ret = power_supply_reg_notifier(&bq->nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) dev_err(bq->dev, "failed to reg notifier: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) bq25890_field_write(bq, F_AUTO_DPDM_EN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) if (bq->nb.notifier_call) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) notify_psy = power_supply_get_by_phandle(bq->dev->of_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) "ti,usb-charger-detection");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) if (IS_ERR_OR_NULL(notify_psy)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) dev_info(bq->dev, "bq25700 notify_psy is error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) notify_psy = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) if (notify_psy) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) ret = power_supply_get_property(notify_psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) POWER_SUPPLY_PROP_CURRENT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) &prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) bq->pd_cur = prop.intval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) ret = power_supply_get_property(notify_psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) POWER_SUPPLY_PROP_VOLTAGE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) &prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) if (ret != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) bq->pd_vol = prop.intval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) queue_delayed_work(bq->charger_wq, &bq->pd_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) msecs_to_jiffies(10));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) static void bq25890_set_otg_vbus(struct bq25890_device *bq, bool enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) if (!IS_ERR_OR_NULL(bq->otg_mode_en_io))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) gpiod_direction_output(bq->otg_mode_en_io, enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) bq25890_field_write(bq, F_OTG_CFG, enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) static int bq25890_otg_vbus_enable(struct regulator_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) struct bq25890_device *bq = rdev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) bq25890_set_otg_vbus(bq, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) static int bq25890_otg_vbus_disable(struct regulator_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) struct bq25890_device *bq = rdev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) bq25890_set_otg_vbus(bq, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) static int bq25890_otg_vbus_is_enabled(struct regulator_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) struct bq25890_device *bq = rdev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) u8 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) int gpio_status = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) val = bq25890_field_read(bq, F_OTG_CFG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) if (!IS_ERR_OR_NULL(bq->otg_mode_en_io))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) gpio_status = gpiod_get_value(bq->otg_mode_en_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) return val && gpio_status ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) static const struct regulator_ops bq25890_otg_vbus_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) .enable = bq25890_otg_vbus_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) .disable = bq25890_otg_vbus_disable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) .is_enabled = bq25890_otg_vbus_is_enabled,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) static const struct regulator_desc bq25890_otg_vbus_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) .name = "otg-vbus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) .of_match = "otg-vbus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) .regulators_node = of_match_ptr("regulators"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) .ops = &bq25890_otg_vbus_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) .type = REGULATOR_VOLTAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) .fixed_uV = 5000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) .n_voltages = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) static int bq25890_register_otg_vbus_regulator(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) struct regulator_config config = { };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) np = of_get_child_by_name(bq->dev->of_node, "regulators");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) dev_warn(bq->dev, "cannot find regulators node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) config.dev = bq->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) config.driver_data = bq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) bq->otg_vbus_reg = devm_regulator_register(bq->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) &bq25890_otg_vbus_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) &config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) if (IS_ERR(bq->otg_vbus_reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) return PTR_ERR(bq->otg_vbus_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) return 0;
^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) static int bq25890_otg_register(struct bq25890_device *bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) /* OTG reporting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) bq->usb_phy = devm_usb_get_phy(bq->dev, USB_PHY_TYPE_USB2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) if (!IS_ERR_OR_NULL(bq->usb_phy)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) INIT_WORK(&bq->usb_work, bq25890_usb_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) bq->usb_nb.notifier_call = bq25890_usb_notifier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) usb_register_notifier(bq->usb_phy, &bq->usb_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) ret = bq25890_register_otg_vbus_regulator(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) dev_warn(bq->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) "Cannot register otg vbus regulator\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) bq->otg_vbus_reg = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) static int bq25890_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) struct bq25890_device *bq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) bq = devm_kzalloc(dev, sizeof(*bq), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) if (!bq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) bq->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) bq->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) mutex_init(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) bq->rmap = devm_regmap_init_i2c(client, &bq25890_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) if (IS_ERR(bq->rmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) dev_err(dev, "failed to allocate register map\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) return PTR_ERR(bq->rmap);
^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) for (i = 0; i < ARRAY_SIZE(bq25890_reg_fields); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) const struct reg_field *reg_fields = bq25890_reg_fields;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) bq->rmap_fields[i] = devm_regmap_field_alloc(dev, bq->rmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) reg_fields[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) if (IS_ERR(bq->rmap_fields[i])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) dev_err(dev, "cannot allocate regmap field\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) return PTR_ERR(bq->rmap_fields[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) i2c_set_clientdata(client, bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) ret = bq25890_get_chip_version(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) dev_err(dev, "Cannot read chip ID or unknown chip.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) if (!dev->platform_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) ret = bq25890_fw_probe(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) dev_err(dev, "Cannot read device properties.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) ret = bq25890_hw_init(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) dev_err(dev, "Cannot initialize the chip.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) if (client->irq <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) client->irq = bq25890_irq_probe(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) if (client->irq < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) dev_err(dev, "No irq resource found.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) return client->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) bq25890_otg_register(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) ret = devm_request_threaded_irq(dev, client->irq, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) bq25890_irq_handler_thread,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) BQ25890_IRQ_PIN, bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) goto irq_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) ret = bq25890_power_supply_init(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) dev_err(dev, "Failed to register power supply\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) goto irq_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) bq25890_register_pd_psy(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) irq_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) if (!IS_ERR_OR_NULL(bq->usb_phy))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) usb_unregister_notifier(bq->usb_phy, &bq->usb_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) static int bq25890_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) struct bq25890_device *bq = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) power_supply_unregister(bq->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) if (!IS_ERR_OR_NULL(bq->usb_phy))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) usb_unregister_notifier(bq->usb_phy, &bq->usb_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) /* reset all registers to default values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) bq25890_chip_reset(bq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) static int bq25890_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) struct bq25890_device *bq = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) * If charger is removed, while in suspend, make sure ADC is diabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) * since it consumes slightly more power.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) return bq25890_field_write(bq, F_CONV_RATE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) static int bq25890_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) struct bq25890_device *bq = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) mutex_lock(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) ret = bq25890_get_chip_state(bq, &bq->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) /* Re-enable ADC only if charger is plugged in. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) if (bq->state.online) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) ret = bq25890_field_write(bq, F_CONV_RATE, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) /* signal userspace, maybe state changed while suspended */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) power_supply_changed(bq->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) mutex_unlock(&bq->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) static const struct dev_pm_ops bq25890_pm = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) SET_SYSTEM_SLEEP_PM_OPS(bq25890_suspend, bq25890_resume)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) static const struct i2c_device_id bq25890_i2c_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) { "bq25890", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) { "bq25892", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) { "bq25895", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) { "bq25896", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) { "sy6970", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) MODULE_DEVICE_TABLE(i2c, bq25890_i2c_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) static const struct of_device_id bq25890_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) { .compatible = "ti,bq25890", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) { .compatible = "ti,bq25892", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) { .compatible = "ti,bq25895", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) { .compatible = "ti,bq25896", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) { .compatible = "sy,sy6970", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) MODULE_DEVICE_TABLE(of, bq25890_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) #ifdef CONFIG_ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) static const struct acpi_device_id bq25890_acpi_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) {"BQ258900", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) MODULE_DEVICE_TABLE(acpi, bq25890_acpi_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) static struct i2c_driver bq25890_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) .name = "bq25890-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) .of_match_table = of_match_ptr(bq25890_of_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) .acpi_match_table = ACPI_PTR(bq25890_acpi_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) .pm = &bq25890_pm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) .probe = bq25890_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) .remove = bq25890_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) .id_table = bq25890_i2c_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) module_i2c_driver(bq25890_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) MODULE_AUTHOR("Laurentiu Palcu <laurentiu.palcu@intel.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) MODULE_DESCRIPTION("bq25890 charger driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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