^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) // BQ2515X Battery Charger Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/regmap.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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define BQ2515X_MANUFACTURER "Texas Instruments"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define BQ2515X_STAT0 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define BQ2515X_STAT1 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define BQ2515X_STAT2 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define BQ2515X_FLAG0 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define BQ2515X_FLAG1 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define BQ2515X_FLAG2 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define BQ2515X_FLAG3 0x06
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define BQ2515X_MASK0 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define BQ2515X_MASK1 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define BQ2515X_MASK2 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define BQ2515X_MASK3 0x0a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define BQ2515X_VBAT_CTRL 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define BQ2515X_ICHG_CTRL 0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define BQ2515X_PCHRGCTRL 0x14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define BQ2515X_TERMCTRL 0x15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define BQ2515X_BUVLO 0x16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define BQ2515X_CHARGERCTRL0 0x17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define BQ2515X_CHARGERCTRL1 0x18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define BQ2515X_ILIMCTRL 0x19
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define BQ2515X_LDOCTRL 0x1d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define BQ2515X_MRCTRL 0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define BQ2515X_ICCTRL0 0x35
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define BQ2515X_ICCTRL1 0x36
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define BQ2515X_ICCTRL2 0x37
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define BQ2515X_ADCCTRL0 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define BQ2515X_ADCCTRL1 0x41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define BQ2515X_ADC_VBAT_M 0x42
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define BQ2515X_ADC_VBAT_L 0x43
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define BQ2515X_ADC_TS_M 0x44
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define BQ2515X_ADC_TS_L 0x45
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define BQ2515X_ADC_ICHG_M 0x46
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define BQ2515X_ADC_ICHG_L 0x47
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define BQ2515X_ADC_ADCIN_M 0x48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define BQ2515X_ADC_ADCIN_L 0x49
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define BQ2515X_ADC_VIN_M 0x4a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define BQ2515X_ADC_VIN_L 0x4b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define BQ2515X_ADC_PMID_M 0x4c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define BQ2515X_ADC_PMID_L 0x4d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define BQ2515X_ADC_IIN_M 0x4e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define BQ2515X_ADC_IIN_L 0x4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define BQ2515X_ADC_COMP1_M 0x52
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define BQ2515X_ADC_COMP1_L 0X53
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define BQ2515X_ADC_COMP2_M 0X54
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define BQ2515X_ADC_COMP2_L 0x55
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define BQ2515X_ADC_COMP3_M 0x56
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define BQ2515X_ADC_COMP3_L 0x57
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define BQ2515X_ADC_READ_EN 0x58
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define BQ2515X_TS_FASTCHGCTRL 0x61
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define BQ2515X_TS_COLD 0x62
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define BQ2515X_TS_COOL 0x63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define BQ2515X_TS_WARM 0x64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define BQ2515X_TS_HOT 0x65
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define BQ2515X_DEVICE_ID 0x6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define BQ2515X_DEFAULT_ICHG_UA 10000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define BQ25150_DEFAULT_ILIM_UA 100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define BQ25155_DEFAULT_ILIM_UA 500000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define BQ2515X_DEFAULT_VBAT_REG_UV 4200000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define BQ2515X_DEFAULT_IPRECHARGE_UA 2500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define BQ2515X_DIVISOR 65536
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define BQ2515X_VBAT_BASE_VOLT 3600000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define BQ2515X_VBAT_REG_MAX 4600000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define BQ2515X_VBAT_REG_MIN 3600000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define BQ2515X_VBAT_STEP_UV 10000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define BQ2515X_UV_FACTOR 1000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define BQ2515X_VBAT_MULTIPLIER 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define BQ2515X_ICHG_DIVISOR 52429
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define BQ2515X_ICHG_CURR_STEP_THRESH_UA 318750
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define BQ2515X_ICHG_MIN_UA 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define BQ2515X_ICHG_MAX_UA 500000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define BQ2515X_ICHG_RNG_1B0_UA 1250
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define BQ2515X_ICHG_RNG_1B1_UA 2500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define BQ2515X_VLOWV_SEL_1B0_UV 3000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define BQ2515X_VLOWV_SEL_1B1_UV 2800000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define BQ2515X_PRECHRG_ICHRG_RNGE_1875_UA 18750
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define BQ2515X_PRECHRG_ICHRG_RNGE_3750_UA 37500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define BQ2515X_TWAKE2_MIN_US 1700000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define BQ2515X_TWAKE2_MAX_US 2300000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define BQ2515X_ILIM_150MA 0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define BQ2515X_ILIM_MASK 0x7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define BQ2515X_ILIM_MIN 50000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define BQ2515X_ILIM_MAX 600000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define BQ2515X_HEALTH_MASK 0xf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define BQ2515X_ICHGRNG_MASK 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define BQ2515X_STAT0_MASK 0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define BQ2515X_STAT1_MASK 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define BQ2515X_PRECHARGE_MASK 0x1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define BQ2515X_TS_HOT_STAT BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define BQ2515X_TS_WARM_STAT BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define BQ2515X_TS_COOL_STAT BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define BQ2515X_TS_COLD_STAT BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define BQ2515X_SAFETY_TIMER_EXP BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define BQ2515X_EN_VBAT_READ BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define BQ2515X_EN_ICHG_READ BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define BQ2515X_VIN_GOOD BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define BQ2515X_CHRG_DONE BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #define BQ2515X_CV_CHRG_MODE BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define BQ2515X_VIN_OVP_FAULT_STAT BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define BQ2515X_WATCHDOG_DISABLE BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define BQ2515X_ICHARGE_RANGE BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #define BQ2515X_VLOWV_SEL BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define BQ2515X_CHARGER_DISABLE BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #define BQ2515X_HWRESET_14S_WD BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static const int bq2515x_ilim_lvl_values[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 50000, 100000, 150000, 200000, 300000, 400000, 500000, 600000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^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) * struct bq2515x_init_data -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * @ilim: input current limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * @ichg: fast charge current
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * @vbatreg: battery regulation voltage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * @iprechg: precharge current
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct bq2515x_init_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int ilim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) int ichg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) int vbatreg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) int iprechg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) enum bq2515x_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) BQ25150,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) BQ25155,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * struct bq2515x_device -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) * @mains: mains properties
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * @battery: battery properties
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * @regmap: register map structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * @dev: device structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * @reset_gpio: manual reset (MR) pin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * @powerdown_gpio: low power mode pin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * @ac_detect_gpio: power good (PG) pin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * @ce_gpio: charge enable (CE) pin
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * @model_name: string value describing device model
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) * @device_id: value of device_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * @mains_online: boolean value indicating power supply online
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * @init_data: charger initialization data structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct bq2515x_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct power_supply *mains;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) struct power_supply *battery;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct gpio_desc *reset_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct gpio_desc *powerdown_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct gpio_desc *ac_detect_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct gpio_desc *ce_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) char model_name[I2C_NAME_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) int device_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) bool mains_online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct bq2515x_init_data init_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) static const struct reg_default bq25150_reg_defaults[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) {BQ2515X_FLAG0, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {BQ2515X_FLAG1, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) {BQ2515X_FLAG2, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {BQ2515X_FLAG3, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {BQ2515X_MASK0, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {BQ2515X_MASK1, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {BQ2515X_MASK2, 0x71},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {BQ2515X_MASK3, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {BQ2515X_VBAT_CTRL, 0x3C},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {BQ2515X_ICHG_CTRL, 0x8},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {BQ2515X_PCHRGCTRL, 0x2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {BQ2515X_TERMCTRL, 0x14},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {BQ2515X_BUVLO, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {BQ2515X_CHARGERCTRL0, 0x82},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {BQ2515X_CHARGERCTRL1, 0x42},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {BQ2515X_ILIMCTRL, 0x1},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {BQ2515X_LDOCTRL, 0xB0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {BQ2515X_MRCTRL, 0x2A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {BQ2515X_ICCTRL0, 0x10},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {BQ2515X_ICCTRL1, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {BQ2515X_ICCTRL2, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {BQ2515X_ADCCTRL0, 0x2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {BQ2515X_ADCCTRL1, 0x40},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {BQ2515X_ADC_COMP1_M, 0x23},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {BQ2515X_ADC_COMP1_L, 0x20},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {BQ2515X_ADC_COMP2_M, 0x38},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {BQ2515X_ADC_COMP2_L, 0x90},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {BQ2515X_ADC_COMP3_M, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {BQ2515X_ADC_COMP3_L, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {BQ2515X_ADC_READ_EN, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {BQ2515X_TS_FASTCHGCTRL, 0x34},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {BQ2515X_TS_COLD, 0x7C},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {BQ2515X_TS_COOL, 0x6D},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {BQ2515X_TS_WARM, 0x38},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {BQ2515X_TS_HOT, 0x27},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {BQ2515X_DEVICE_ID, 0x20},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static const struct reg_default bq25155_reg_defaults[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {BQ2515X_FLAG0, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) {BQ2515X_FLAG1, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {BQ2515X_FLAG2, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {BQ2515X_FLAG3, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {BQ2515X_MASK0, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) {BQ2515X_MASK1, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {BQ2515X_MASK2, 0x71},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {BQ2515X_MASK3, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) {BQ2515X_VBAT_CTRL, 0x3C},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {BQ2515X_ICHG_CTRL, 0x8},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) {BQ2515X_PCHRGCTRL, 0x2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {BQ2515X_TERMCTRL, 0x14},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {BQ2515X_BUVLO, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {BQ2515X_CHARGERCTRL0, 0x82},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {BQ2515X_CHARGERCTRL1, 0xC2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {BQ2515X_ILIMCTRL, 0x6},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {BQ2515X_LDOCTRL, 0xB0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {BQ2515X_MRCTRL, 0x2A},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) {BQ2515X_ICCTRL0, 0x10},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {BQ2515X_ICCTRL1, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {BQ2515X_ICCTRL2, 0x40},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {BQ2515X_ADCCTRL0, 0x2},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {BQ2515X_ADCCTRL1, 0x40},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {BQ2515X_ADC_COMP1_M, 0x23},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {BQ2515X_ADC_COMP1_L, 0x20},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {BQ2515X_ADC_COMP2_M, 0x38},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {BQ2515X_ADC_COMP2_L, 0x90},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {BQ2515X_ADC_COMP3_M, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {BQ2515X_ADC_COMP3_L, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {BQ2515X_ADC_READ_EN, 0x0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {BQ2515X_TS_FASTCHGCTRL, 0x34},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) {BQ2515X_TS_COLD, 0x7C},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {BQ2515X_TS_COOL, 0x6D},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {BQ2515X_TS_WARM, 0x38},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {BQ2515X_TS_HOT, 0x27},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {BQ2515X_DEVICE_ID, 0x35},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static int bq2515x_wake_up(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) /* Read the STAT register if we can read it then the device is out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * of ship mode. If the register cannot be read then attempt to wake
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) * it up and enable the ADC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) ret = regmap_read(bq2515x->regmap, BQ2515X_STAT0, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) /* Need to toggle LP and bring device out of ship mode. The device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * will exit the ship mode when the MR pin is held low for at least
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * t_WAKE2 as shown in section 8.3.7.1 of the datasheet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) gpiod_set_value_cansleep(bq2515x->powerdown_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) gpiod_set_value_cansleep(bq2515x->reset_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) usleep_range(BQ2515X_TWAKE2_MIN_US, BQ2515X_TWAKE2_MAX_US);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) gpiod_set_value_cansleep(bq2515x->reset_gpio, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return regmap_write(bq2515x->regmap, BQ2515X_ADC_READ_EN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) (BQ2515X_EN_VBAT_READ | BQ2515X_EN_ICHG_READ));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) static int bq2515x_update_ps_status(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) bool dc = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) unsigned int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (bq2515x->ac_detect_gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) val = gpiod_get_value_cansleep(bq2515x->ac_detect_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) ret = regmap_read(bq2515x->regmap, BQ2515X_STAT0, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) dc = val & BQ2515X_VIN_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) ret = bq2515x->mains_online != dc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) bq2515x->mains_online = dc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) static int bq2515x_disable_watchdog_timers(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) ret = regmap_update_bits(bq2515x->regmap, BQ2515X_CHARGERCTRL0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) BQ2515X_WATCHDOG_DISABLE, BQ2515X_WATCHDOG_DISABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return regmap_update_bits(bq2515x->regmap, BQ2515X_ICCTRL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) BQ2515X_HWRESET_14S_WD, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) static int bq2515x_get_battery_voltage_now(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) int vbat_msb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) int vbat_lsb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) uint32_t vbat_measurement;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (!bq2515x->mains_online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) bq2515x_wake_up(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) ret = regmap_read(bq2515x->regmap, BQ2515X_ADC_VBAT_M, &vbat_msb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) ret = regmap_read(bq2515x->regmap, BQ2515X_ADC_VBAT_L, &vbat_lsb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) vbat_measurement = (vbat_msb << 8) | vbat_lsb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) return vbat_measurement * (BQ2515X_UV_FACTOR / BQ2515X_DIVISOR) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) BQ2515X_VBAT_MULTIPLIER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static int bq2515x_get_battery_current_now(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) int ichg_msb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) int ichg_lsb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) uint32_t ichg_measurement;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) u16 ichg_multiplier = BQ2515X_ICHG_RNG_1B0_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) unsigned int ichg_reg_code, reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) unsigned int icharge_range = 0, pchrgctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) unsigned int buvlo, vlowv_sel, vlowv = BQ2515X_VLOWV_SEL_1B0_UV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (!bq2515x->mains_online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) ret = regmap_read(bq2515x->regmap, BQ2515X_ADC_ICHG_M, &ichg_msb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) ret = regmap_read(bq2515x->regmap, BQ2515X_ADC_ICHG_L, &ichg_lsb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) ichg_measurement = (ichg_msb << 8) | ichg_lsb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) ret = regmap_read(bq2515x->regmap, BQ2515X_BUVLO, &buvlo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) vlowv_sel = buvlo & BQ2515X_VLOWV_SEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (vlowv_sel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) vlowv = BQ2515X_VLOWV_SEL_1B1_UV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (bq2515x_get_battery_voltage_now(bq2515x) < vlowv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) ret = regmap_read(bq2515x->regmap, BQ2515X_PCHRGCTRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) &pchrgctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) reg_code = pchrgctrl & BQ2515X_PRECHARGE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) ret = regmap_read(bq2515x->regmap, BQ2515X_ICHG_CTRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) &ichg_reg_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) reg_code = ichg_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) ret = regmap_read(bq2515x->regmap, BQ2515X_PCHRGCTRL, &pchrgctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) icharge_range = pchrgctrl & BQ2515X_ICHARGE_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) if (icharge_range)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) ichg_multiplier = BQ2515X_ICHG_RNG_1B1_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) return reg_code * (ichg_multiplier * ichg_measurement /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) BQ2515X_ICHG_DIVISOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) static bool bq2515x_get_charge_disable(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) int ce_pin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) int icctrl2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) int charger_disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) ce_pin = gpiod_get_value_cansleep(bq2515x->ce_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) ret = regmap_read(bq2515x->regmap, BQ2515X_ICCTRL2, &icctrl2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) charger_disable = icctrl2 & BQ2515X_CHARGER_DISABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (charger_disable || ce_pin)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) static int bq2515x_set_charge_disable(struct bq2515x_device *bq2515x, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) gpiod_set_value_cansleep(bq2515x->ce_gpio, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) return regmap_update_bits(bq2515x->regmap, BQ2515X_ICCTRL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) BQ2515X_CHARGER_DISABLE, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) static int bq2515x_get_const_charge_current(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) u16 ichg_multiplier = BQ2515X_ICHG_RNG_1B0_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) unsigned int ichg_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) unsigned int pchrgctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) unsigned int icharge_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) ret = regmap_read(bq2515x->regmap, BQ2515X_ICHG_CTRL, &ichg_reg_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) ret = regmap_read(bq2515x->regmap, BQ2515X_PCHRGCTRL, &pchrgctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) icharge_range = pchrgctrl & BQ2515X_ICHARGE_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) if (icharge_range)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) ichg_multiplier = BQ2515X_ICHG_RNG_1B1_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) return ichg_reg_code * ichg_multiplier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) static int bq2515x_set_const_charge_current(struct bq2515x_device *bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) unsigned int ichg_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) u16 ichg_multiplier = BQ2515X_ICHG_RNG_1B0_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) unsigned int icharge_range = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (val > BQ2515X_ICHG_MAX_UA || val < BQ2515X_ICHG_MIN_UA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (val > BQ2515X_ICHG_CURR_STEP_THRESH_UA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) ichg_multiplier = BQ2515X_ICHG_RNG_1B1_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) icharge_range = BQ2515X_ICHARGE_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) bq2515x_set_charge_disable(bq2515x, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) ret = regmap_update_bits(bq2515x->regmap, BQ2515X_PCHRGCTRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) BQ2515X_ICHARGE_RANGE, icharge_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) ichg_reg_code = val / ichg_multiplier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) ret = regmap_write(bq2515x->regmap, BQ2515X_ICHG_CTRL, ichg_reg_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) return bq2515x_set_charge_disable(bq2515x, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) static int bq2515x_get_precharge_current(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) unsigned int pchrgctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) unsigned int icharge_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) u16 precharge_multiplier = BQ2515X_ICHG_RNG_1B0_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) unsigned int precharge_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) ret = regmap_read(bq2515x->regmap, BQ2515X_PCHRGCTRL, &pchrgctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) icharge_range = pchrgctrl & BQ2515X_ICHARGE_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) if (icharge_range)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) precharge_multiplier = BQ2515X_ICHG_RNG_1B1_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) precharge_reg_code = pchrgctrl & BQ2515X_PRECHARGE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) return precharge_reg_code * precharge_multiplier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) static int bq2515x_set_precharge_current(struct bq2515x_device *bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) unsigned int pchrgctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) unsigned int icharge_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) unsigned int precharge_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) unsigned int precharge_multiplier = BQ2515X_ICHG_RNG_1B0_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) unsigned int precharge_max_ua = BQ2515X_PRECHRG_ICHRG_RNGE_1875_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) ret = regmap_read(bq2515x->regmap, BQ2515X_PCHRGCTRL, &pchrgctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) icharge_range = pchrgctrl & BQ2515X_ICHARGE_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) if (icharge_range) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) precharge_max_ua = BQ2515X_PRECHRG_ICHRG_RNGE_3750_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) precharge_multiplier = BQ2515X_ICHG_RNG_1B1_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) precharge_max_ua = BQ2515X_PRECHRG_ICHRG_RNGE_1875_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) precharge_multiplier = BQ2515X_ICHG_RNG_1B0_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (val > precharge_max_ua || val < BQ2515X_ICHG_MIN_UA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) precharge_reg_code = val / precharge_multiplier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) ret = bq2515x_set_charge_disable(bq2515x, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) ret = regmap_update_bits(bq2515x->regmap, BQ2515X_PCHRGCTRL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) BQ2515X_PRECHARGE_MASK, precharge_reg_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) return bq2515x_set_charge_disable(bq2515x, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) static int bq2515x_charging_status(struct bq2515x_device *bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) bool status0_no_fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) bool status1_no_fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) bool ce_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) bool charge_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) if (!bq2515x->mains_online) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) ret = regmap_read(bq2515x->regmap, BQ2515X_STAT0, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return ret;
^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) * The code block below is used to determine if any faults from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) * STAT0 register are disbaling charging or if the charge has completed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) * according to the CHARGE_DONE_STAT bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (((status & BQ2515X_STAT0_MASK) == true) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) ((status & BQ2515X_CHRG_DONE) == false)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) status0_no_fault = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) charge_done = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) } else if (status & BQ2515X_CHRG_DONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) charge_done = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) status0_no_fault = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) status0_no_fault = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) charge_done = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) ret = regmap_read(bq2515x->regmap, BQ2515X_STAT1, &status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) * The code block below is used to determine if any faults from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) * STAT1 register are disbaling charging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) if ((status & BQ2515X_STAT1_MASK) == false)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) status1_no_fault = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) status1_no_fault = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) ce_status = (!bq2515x_get_charge_disable(bq2515x));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) * If there are no faults and charging is enabled, then status is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) * charging. Otherwise, if charging is complete, then status is full.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) * Otherwise, if a fault exists or charging is disabled, then status is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) * not charging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) if (status0_no_fault & status1_no_fault & ce_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) val->intval = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) else if (charge_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) val->intval = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) else if (!(status0_no_fault & status1_no_fault & ce_status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) return 0;
^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 bq2515x_get_batt_reg(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) int vbat_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) ret = regmap_read(bq2515x->regmap, BQ2515X_VBAT_CTRL, &vbat_reg_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) if (ret)
^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) return BQ2515X_VBAT_BASE_VOLT + vbat_reg_code * BQ2515X_VBAT_STEP_UV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) static int bq2515x_set_batt_reg(struct bq2515x_device *bq2515x, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) int vbat_reg_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if (val > BQ2515X_VBAT_REG_MAX || val < BQ2515X_VBAT_REG_MIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) vbat_reg_code = (val - BQ2515X_VBAT_BASE_VOLT) / BQ2515X_VBAT_STEP_UV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) return regmap_write(bq2515x->regmap, BQ2515X_VBAT_CTRL, vbat_reg_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) static int bq2515x_get_ilim_lvl(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) int ilimctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) ret = regmap_read(bq2515x->regmap, BQ2515X_ILIMCTRL, &ilimctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) return bq2515x_ilim_lvl_values[ilimctrl & BQ2515X_ILIM_MASK];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static int bq2515x_set_ilim_lvl(struct bq2515x_device *bq2515x, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) unsigned int array_size = ARRAY_SIZE(bq2515x_ilim_lvl_values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) for (i = array_size - 1; i > 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) if (val >= bq2515x_ilim_lvl_values[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) return regmap_write(bq2515x->regmap, BQ2515X_ILIMCTRL, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) static int bq2515x_power_supply_property_is_writeable(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) enum power_supply_property prop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) switch (prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) static int bq2515x_charger_get_health(struct bq2515x_device *bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) int health = POWER_SUPPLY_HEALTH_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) unsigned int stat1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) unsigned int flag3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) if (!bq2515x->mains_online)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) bq2515x_wake_up(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) ret = regmap_read(bq2515x->regmap, BQ2515X_FLAG3, &flag3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) ret = regmap_read(bq2515x->regmap, BQ2515X_STAT1, &stat1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) if (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) if (stat1 & BQ2515X_HEALTH_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) switch (stat1 & BQ2515X_HEALTH_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) case BQ2515X_TS_HOT_STAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) health = POWER_SUPPLY_HEALTH_HOT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) case BQ2515X_TS_WARM_STAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) health = POWER_SUPPLY_HEALTH_WARM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) case BQ2515X_TS_COOL_STAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) health = POWER_SUPPLY_HEALTH_COOL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) case BQ2515X_TS_COLD_STAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) health = POWER_SUPPLY_HEALTH_COLD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) health = POWER_SUPPLY_HEALTH_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) if (stat1 & BQ2515X_VIN_OVP_FAULT_STAT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) if (flag3 & BQ2515X_SAFETY_TIMER_EXP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) health = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) val->intval = health;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) static int bq2515x_mains_set_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) enum power_supply_property prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) const union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) struct bq2515x_device *bq2515x = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) switch (prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) ret = bq2515x_set_batt_reg(bq2515x, val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) ret = bq2515x_set_const_charge_current(bq2515x, val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) ret = bq2515x_set_ilim_lvl(bq2515x, val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) ret = bq2515x_set_precharge_current(bq2515x, val->intval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) static int bq2515x_mains_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) enum power_supply_property prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) struct bq2515x_device *bq2515x = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) switch (prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) ret = bq2515x_get_const_charge_current(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) ret = bq2515x_get_batt_reg(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) ret = bq2515x_get_precharge_current(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) val->intval = bq2515x->mains_online;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) case POWER_SUPPLY_PROP_HEALTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) ret = bq2515x_charger_get_health(bq2515x, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) val->intval = POWER_SUPPLY_HEALTH_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) ret = bq2515x_get_ilim_lvl(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) case POWER_SUPPLY_PROP_MODEL_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) val->strval = bq2515x->model_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) case POWER_SUPPLY_PROP_MANUFACTURER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) val->strval = BQ2515X_MANUFACTURER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) ret = bq2515x_charging_status(bq2515x, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) static int bq2515x_battery_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) enum power_supply_property prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) struct bq2515x_device *bq2515x = power_supply_get_drvdata(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) ret = bq2515x_update_ps_status(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) switch (prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) ret = bq2515x->init_data.vbatreg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) ret = bq2515x->init_data.ichg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) ret = bq2515x_get_battery_voltage_now(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) ret = bq2515x_get_battery_current_now(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) val->intval = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) static const enum power_supply_property bq2515x_battery_properties[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) POWER_SUPPLY_PROP_CURRENT_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) static const enum power_supply_property bq2515x_mains_properties[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) POWER_SUPPLY_PROP_HEALTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) POWER_SUPPLY_PROP_MODEL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) POWER_SUPPLY_PROP_MANUFACTURER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) static const struct power_supply_desc bq2515x_mains_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) .name = "bq2515x-mains",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) .type = POWER_SUPPLY_TYPE_MAINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) .get_property = bq2515x_mains_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) .set_property = bq2515x_mains_set_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) .properties = bq2515x_mains_properties,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) .num_properties = ARRAY_SIZE(bq2515x_mains_properties),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) .property_is_writeable = bq2515x_power_supply_property_is_writeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) static const struct power_supply_desc bq2515x_battery_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) .name = "bq2515x-battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) .type = POWER_SUPPLY_TYPE_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) .get_property = bq2515x_battery_get_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) .properties = bq2515x_battery_properties,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) .num_properties = ARRAY_SIZE(bq2515x_battery_properties),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) .property_is_writeable = bq2515x_power_supply_property_is_writeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) static int bq2515x_power_supply_register(struct bq2515x_device *bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) struct device *dev, struct power_supply_config psy_cfg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) bq2515x->mains = devm_power_supply_register(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) &bq2515x_mains_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) if (IS_ERR(bq2515x->mains))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) bq2515x->battery = devm_power_supply_register(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) &bq2515x_battery_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) if (IS_ERR(bq2515x->battery))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) static int bq2515x_hw_init(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) struct power_supply_battery_info bat_info = { };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) ret = bq2515x_disable_watchdog_timers(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) if (bq2515x->init_data.ilim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) ret = bq2515x_set_ilim_lvl(bq2515x, bq2515x->init_data.ilim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) ret = power_supply_get_battery_info(bq2515x->mains, &bat_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) dev_warn(bq2515x->dev, "battery info missing, default values will be applied\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) bq2515x->init_data.ichg = BQ2515X_DEFAULT_ICHG_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) bq2515x->init_data.vbatreg = BQ2515X_DEFAULT_VBAT_REG_UV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) bq2515x->init_data.iprechg = BQ2515X_DEFAULT_IPRECHARGE_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) bq2515x->init_data.ichg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) bat_info.constant_charge_current_max_ua;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) bq2515x->init_data.vbatreg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) bat_info.constant_charge_voltage_max_uv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) bq2515x->init_data.iprechg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) bat_info.precharge_current_ua;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) ret = bq2515x_set_const_charge_current(bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) bq2515x->init_data.ichg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) ret = bq2515x_set_batt_reg(bq2515x, bq2515x->init_data.vbatreg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) return bq2515x_set_precharge_current(bq2515x,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) bq2515x->init_data.iprechg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) static int bq2515x_read_properties(struct bq2515x_device *bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) ret = device_property_read_u32(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) "input-current-limit-microamp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) &bq2515x->init_data.ilim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) switch (bq2515x->device_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) case BQ25150:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) bq2515x->init_data.ilim = BQ25150_DEFAULT_ILIM_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) case BQ25155:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) bq2515x->init_data.ilim = BQ25155_DEFAULT_ILIM_UA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) bq2515x->ac_detect_gpio = devm_gpiod_get_optional(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) "ac-detect", GPIOD_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) if (IS_ERR(bq2515x->ac_detect_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) ret = PTR_ERR(bq2515x->ac_detect_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) dev_err(bq2515x->dev, "Failed to get ac detect");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) bq2515x->reset_gpio = devm_gpiod_get_optional(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) "reset", GPIOD_OUT_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) if (IS_ERR(bq2515x->reset_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) ret = PTR_ERR(bq2515x->reset_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) dev_err(bq2515x->dev, "Failed to get reset");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) bq2515x->powerdown_gpio = devm_gpiod_get_optional(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) "powerdown", GPIOD_OUT_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) if (IS_ERR(bq2515x->powerdown_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) ret = PTR_ERR(bq2515x->powerdown_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) dev_err(bq2515x->dev, "Failed to get powerdown");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) bq2515x->ce_gpio = devm_gpiod_get_optional(bq2515x->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) "charge-enable",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) GPIOD_OUT_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) if (IS_ERR(bq2515x->ce_gpio)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) ret = PTR_ERR(bq2515x->ce_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) dev_err(bq2515x->dev, "Failed to get ce");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) static bool bq2515x_volatile_register(struct device *dev, unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) switch (reg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) case BQ2515X_STAT0 ... BQ2515X_FLAG3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) case BQ2515X_ADC_VBAT_M ... BQ2515X_ADC_IIN_L:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) static const struct regmap_config bq25150_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) .max_register = BQ2515X_DEVICE_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) .reg_defaults = bq25150_reg_defaults,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) .num_reg_defaults = ARRAY_SIZE(bq25150_reg_defaults),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) .cache_type = REGCACHE_RBTREE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) .volatile_reg = bq2515x_volatile_register,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) static const struct regmap_config bq25155_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) .max_register = BQ2515X_DEVICE_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) .reg_defaults = bq25155_reg_defaults,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) .num_reg_defaults = ARRAY_SIZE(bq25155_reg_defaults),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) .cache_type = REGCACHE_RBTREE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) .volatile_reg = bq2515x_volatile_register,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) static int bq2515x_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) struct bq2515x_device *bq2515x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) struct power_supply_config charger_cfg = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) bq2515x = devm_kzalloc(dev, sizeof(*bq2515x), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) if (!bq2515x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) bq2515x->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) strncpy(bq2515x->model_name, id->name, I2C_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) bq2515x->device_id = id->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) switch (bq2515x->device_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) case BQ25150:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) bq2515x->regmap = devm_regmap_init_i2c(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) &bq25150_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) case BQ25155:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) bq2515x->regmap = devm_regmap_init_i2c(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) &bq25155_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) if (IS_ERR(bq2515x->regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) dev_err(dev, "failed to allocate register map\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) return PTR_ERR(bq2515x->regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) i2c_set_clientdata(client, bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) charger_cfg.drv_data = bq2515x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) charger_cfg.of_node = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) ret = bq2515x_read_properties(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) dev_err(dev, "Failed to read device tree properties %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) ret = bq2515x_power_supply_register(bq2515x, dev, charger_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) dev_err(dev, "failed to register power supply\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) ret = bq2515x_hw_init(bq2515x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) dev_err(dev, "Cannot initialize the chip\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) static const struct i2c_device_id bq2515x_i2c_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) { "bq25150", BQ25150, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) { "bq25155", BQ25155, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) MODULE_DEVICE_TABLE(i2c, bq2515x_i2c_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) static const struct of_device_id bq2515x_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) { .compatible = "ti,bq25150", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) { .compatible = "ti,bq25155", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) MODULE_DEVICE_TABLE(of, bq2515x_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) static struct i2c_driver bq2515x_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) .name = "bq2515x-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) .of_match_table = bq2515x_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) .probe = bq2515x_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) .id_table = bq2515x_i2c_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) module_i2c_driver(bq2515x_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) MODULE_AUTHOR("Ricardo Rivera-Matos <r-rivera-matos@ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) MODULE_DESCRIPTION("BQ2515X charger driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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