The MAX17055 is very similar to the MAX17042 so extend the driver. Signed-off-by: Angus Ainslie (Purism) <angus@xxxxxxxx> --- drivers/power/supply/max17042_battery.c | 17 +++++++-- include/linux/power/max17042_battery.h | 48 ++++++++++++++++++++++++- 2 files changed, 61 insertions(+), 4 deletions(-) diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index 0dfad2cf13fe..69ec4295d55d 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -282,6 +282,8 @@ static int max17042_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042) ret = regmap_read(map, MAX17042_V_empty, &data); + else if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17055) + ret = regmap_read(map, MAX17055_V_empty, &data); else ret = regmap_read(map, MAX17047_V_empty, &data); if (ret < 0) @@ -627,7 +629,8 @@ static void max17042_write_config_regs(struct max17042_chip *chip) config->filter_cfg); regmap_write(map, MAX17042_RelaxCFG, config->relax_cfg); if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17047 || - chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050) + chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050 || + chip->chip_type == MAXIM_DEVICE_TYPE_MAX17055) regmap_write(map, MAX17047_FullSOCThr, config->full_soc_thresh); } @@ -758,6 +761,8 @@ static inline void max17042_override_por_values(struct max17042_chip *chip) if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042) max17042_override_por(map, MAX17042_V_empty, config->vempty); + if (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17055) + max17042_override_por(map, MAX17055_V_empty, config->vempty); else max17042_override_por(map, MAX17047_V_empty, config->vempty); max17042_override_por(map, MAX17042_TempNom, config->temp_nom); @@ -765,7 +770,10 @@ static inline void max17042_override_por_values(struct max17042_chip *chip) max17042_override_por(map, MAX17042_FCTC, config->fctc); max17042_override_por(map, MAX17042_RCOMP0, config->rcomp0); max17042_override_por(map, MAX17042_TempCo, config->tcompc0); - if (chip->chip_type) { + if (chip->chip_type && + ((chip->chip_type == MAXIM_DEVICE_TYPE_MAX17042) || + (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17047) || + (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050))) { max17042_override_por(map, MAX17042_EmptyTempCo, config->empty_tempco); max17042_override_por(map, MAX17042_K_empty0, @@ -929,7 +937,8 @@ max17042_get_default_pdata(struct max17042_chip *chip) if (!pdata) return pdata; - if (chip->chip_type != MAXIM_DEVICE_TYPE_MAX17042) { + if ((chip->chip_type == MAXIM_DEVICE_TYPE_MAX17047) || + (chip->chip_type == MAXIM_DEVICE_TYPE_MAX17050)) { pdata->init_data = max17047_default_pdata_init_regs; pdata->num_init_data = ARRAY_SIZE(max17047_default_pdata_init_regs); @@ -1167,6 +1176,7 @@ static const struct of_device_id max17042_dt_match[] = { { .compatible = "maxim,max17042" }, { .compatible = "maxim,max17047" }, { .compatible = "maxim,max17050" }, + { .compatible = "maxim,max17055" }, { }, }; MODULE_DEVICE_TABLE(of, max17042_dt_match); @@ -1176,6 +1186,7 @@ static const struct i2c_device_id max17042_id[] = { { "max17042", MAXIM_DEVICE_TYPE_MAX17042 }, { "max17047", MAXIM_DEVICE_TYPE_MAX17047 }, { "max17050", MAXIM_DEVICE_TYPE_MAX17050 }, + { "max17055", MAXIM_DEVICE_TYPE_MAX17055 }, { } }; MODULE_DEVICE_TABLE(i2c, max17042_id); diff --git a/include/linux/power/max17042_battery.h b/include/linux/power/max17042_battery.h index 4badd5322949..d55c746ac56e 100644 --- a/include/linux/power/max17042_battery.h +++ b/include/linux/power/max17042_battery.h @@ -105,11 +105,56 @@ enum max17042_register { MAX17042_OCV = 0xEE, - MAX17042_OCVInternal = 0xFB, + MAX17042_OCVInternal = 0xFB, /* MAX17055 VFOCV */ MAX17042_VFSOC = 0xFF, }; +enum max17055_register { + MAX17055_QRes = 0x0C, + MAX17055_TTF = 0x20, + MAX17055_V_empty = 0x3A, + MAX17055_TIMER = 0x3E, + MAX17055_USER_MEM = 0x40, + MAX17055_RGAIN = 0x42, + + MAX17055_ConvgCfg = 0x49, + MAX17055_VFRemCap = 0x4A, + + MAX17055_STATUS2 = 0xB0, + MAX17055_POWER = 0xB1, + MAX17055_ID = 0xB2, + MAX17055_AvgPower = 0xB3, + MAX17055_IAlrtTh = 0xB4, + MAX17055_TTFCfg = 0xB5, + MAX17055_CVMixCap = 0xB6, + MAX17055_CVHalfTime = 0xB7, + MAX17055_CGTempCo = 0xB8, + MAX17055_Curve = 0xB9, + MAX17055_HibCfg = 0xBA, + MAX17055_Config2 = 0xBB, + MAX17055_VRipple = 0xBC, + MAX17055_RippleCfg = 0xBD, + MAX17055_TimerH = 0xBE, + + MAX17055_RSense = 0xD0, + MAX17055_ScOcvLim = 0xD1, + + MAX17055_SOCHold = 0xD3, + MAX17055_MaxPeakPwr = 0xD4, + MAX17055_SusPeakPwr = 0xD5, + MAX17055_PackResistance = 0xD6, + MAX17055_SysResistance = 0xD7, + MAX17055_MinSysV = 0xD8, + MAX17055_MPPCurrent = 0xD9, + MAX17055_SPPCurrent = 0xDA, + MAX17055_ModelCfg = 0xDB, + MAX17055_AtQResidual = 0xDC, + MAX17055_AtTTE = 0xDD, + MAX17055_AtAvSOC = 0xDE, + MAX17055_AtAvCap = 0xDF, +}; + /* Registers specific to max17047/50 */ enum max17047_register { MAX17047_QRTbl00 = 0x12, @@ -125,6 +170,7 @@ enum max170xx_chip_type { MAXIM_DEVICE_TYPE_MAX17042, MAXIM_DEVICE_TYPE_MAX17047, MAXIM_DEVICE_TYPE_MAX17050, + MAXIM_DEVICE_TYPE_MAX17055, MAXIM_DEVICE_TYPE_NUM }; -- 2.17.1