diff --git a/Documentation/devicetree/bindings/power/supply/qcom/qpnp-fg-gen3.txt b/Documentation/devicetree/bindings/power/supply/qcom/qpnp-fg-gen3.txt index addb0a6869ac..12d32ec74369 100644 --- a/Documentation/devicetree/bindings/power/supply/qcom/qpnp-fg-gen3.txt +++ b/Documentation/devicetree/bindings/power/supply/qcom/qpnp-fg-gen3.txt @@ -96,6 +96,14 @@ First Level Node - FG Gen3 device This value has to be specified in negative values for the charging current. +- qcom,fg-chg-term-base-current + Usage: optional + Value type: + Definition: Battery current (in mA) upper boundary at which the fuel + gauge will issue an end of charge during discharging. If + this property is not specified, then the default value used + will be 75mA. + - qcom,fg-delta-soc-thr Usage: optional Value type: diff --git a/drivers/power/supply/qcom/fg-core.h b/drivers/power/supply/qcom/fg-core.h index 2741e46d0ec8..ae804e463953 100644 --- a/drivers/power/supply/qcom/fg-core.h +++ b/drivers/power/supply/qcom/fg-core.h @@ -165,6 +165,7 @@ enum fg_sram_param_id { FG_SRAM_ESR_PULSE_THRESH, FG_SRAM_SYS_TERM_CURR, FG_SRAM_CHG_TERM_CURR, + FG_SRAM_CHG_TERM_BASE_CURR, FG_SRAM_DELTA_MSOC_THR, FG_SRAM_DELTA_BSOC_THR, FG_SRAM_RECHARGE_SOC_THR, @@ -230,6 +231,7 @@ struct fg_dt_props { int empty_volt_mv; int vbatt_low_thr_mv; int chg_term_curr_ma; + int chg_term_base_curr_ma; int sys_term_curr_ma; int delta_soc_thr; int recharge_soc_thr; diff --git a/drivers/power/supply/qcom/qpnp-fg-gen3.c b/drivers/power/supply/qcom/qpnp-fg-gen3.c index b625eb097919..cf404b3f1407 100644 --- a/drivers/power/supply/qcom/qpnp-fg-gen3.c +++ b/drivers/power/supply/qcom/qpnp-fg-gen3.c @@ -130,6 +130,7 @@ #define RECHARGE_SOC_THR_v2_WORD 14 #define RECHARGE_SOC_THR_v2_OFFSET 1 #define CHG_TERM_CURR_v2_WORD 15 +#define CHG_TERM_BASE_CURR_v2_OFFSET 0 #define CHG_TERM_CURR_v2_OFFSET 1 #define EMPTY_VOLT_v2_WORD 15 #define EMPTY_VOLT_v2_OFFSET 3 @@ -275,6 +276,9 @@ static struct fg_sram_param pmi8998_v2_sram_params[] = { 1000000, 122070, 0, fg_encode_current, NULL), PARAM(CHG_TERM_CURR, CHG_TERM_CURR_v2_WORD, CHG_TERM_CURR_v2_OFFSET, 1, 100000, 390625, 0, fg_encode_current, NULL), + PARAM(CHG_TERM_BASE_CURR, CHG_TERM_CURR_v2_WORD, + CHG_TERM_BASE_CURR_v2_OFFSET, 1, 1024, 1000, 0, + fg_encode_current, NULL), PARAM(DELTA_MSOC_THR, DELTA_MSOC_THR_v2_WORD, DELTA_MSOC_THR_v2_OFFSET, 1, 2048, 100, 0, fg_encode_default, NULL), PARAM(DELTA_BSOC_THR, DELTA_BSOC_THR_v2_WORD, DELTA_BSOC_THR_v2_OFFSET, @@ -3145,6 +3149,21 @@ static int fg_hw_init(struct fg_chip *chip) return rc; } + if (!(chip->wa_flags & PMI8998_V1_REV_WA)) { + fg_encode(chip->sp, FG_SRAM_CHG_TERM_BASE_CURR, + chip->dt.chg_term_base_curr_ma, buf); + rc = fg_sram_write(chip, + chip->sp[FG_SRAM_CHG_TERM_BASE_CURR].addr_word, + chip->sp[FG_SRAM_CHG_TERM_BASE_CURR].addr_byte, + buf, chip->sp[FG_SRAM_CHG_TERM_BASE_CURR].len, + FG_IMA_DEFAULT); + if (rc < 0) { + pr_err("Error in writing chg_term_base_curr, rc=%d\n", + rc); + return rc; + } + } + if (chip->dt.vbatt_low_thr_mv > 0) { fg_encode(chip->sp, FG_SRAM_VBATT_LOW, chip->dt.vbatt_low_thr_mv, buf); @@ -3803,6 +3822,7 @@ static int fg_parse_ki_coefficients(struct fg_chip *chip) #define DEFAULT_EMPTY_VOLT_MV 2800 #define DEFAULT_RECHARGE_VOLT_MV 4250 #define DEFAULT_CHG_TERM_CURR_MA 100 +#define DEFAULT_CHG_TERM_BASE_CURR_MA 75 #define DEFAULT_SYS_TERM_CURR_MA -125 #define DEFAULT_DELTA_SOC_THR 1 #define DEFAULT_RECHARGE_SOC_THR 95 @@ -3956,6 +3976,12 @@ static int fg_parse_dt(struct fg_chip *chip) else chip->dt.sys_term_curr_ma = temp; + rc = of_property_read_u32(node, "qcom,fg-chg-term-base-current", &temp); + if (rc < 0) + chip->dt.chg_term_base_curr_ma = DEFAULT_CHG_TERM_BASE_CURR_MA; + else + chip->dt.chg_term_base_curr_ma = temp; + rc = of_property_read_u32(node, "qcom,fg-delta-soc-thr", &temp); if (rc < 0) chip->dt.delta_soc_thr = DEFAULT_DELTA_SOC_THR;