diff options
| -rw-r--r-- | Documentation/devicetree/bindings/power/qcom-charger/qpnp-fg-gen3.txt | 6 | ||||
| -rw-r--r-- | drivers/power/qcom-charger/fg-core.h | 3 | ||||
| -rw-r--r-- | drivers/power/qcom-charger/qpnp-fg-gen3.c | 63 |
3 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/qcom-charger/qpnp-fg-gen3.txt b/Documentation/devicetree/bindings/power/qcom-charger/qpnp-fg-gen3.txt index 2736da585e0b..7841251c67fe 100644 --- a/Documentation/devicetree/bindings/power/qcom-charger/qpnp-fg-gen3.txt +++ b/Documentation/devicetree/bindings/power/qcom-charger/qpnp-fg-gen3.txt @@ -210,6 +210,12 @@ First Level Node - FG Gen3 device 0 - No hysteresis 1,2,3 - Value in Celsius. +- qcom,fg-batt-temp-delta + Usage: optional + Value type: <u32> + Definition: Battery temperature delta interrupt threshold. Possible + values are: 2, 4, 6 and 10. Unit is in Kelvin. + ========================================================== Second Level Nodes - Peripherals managed by FG Gen3 driver ========================================================== diff --git a/drivers/power/qcom-charger/fg-core.h b/drivers/power/qcom-charger/fg-core.h index beb7ab287823..7e08b71e3b6a 100644 --- a/drivers/power/qcom-charger/fg-core.h +++ b/drivers/power/qcom-charger/fg-core.h @@ -194,6 +194,7 @@ struct fg_dt_props { int cl_max_cap_limit; int cl_min_cap_limit; int jeita_hyst_temp; + int batt_temp_delta; }; /* parameters from battery profile */ @@ -261,6 +262,8 @@ struct fg_chip { int status; int charge_done; int last_soc; + int last_batt_temp; + int health; bool profile_available; bool profile_loaded; bool battery_missing; diff --git a/drivers/power/qcom-charger/qpnp-fg-gen3.c b/drivers/power/qcom-charger/qpnp-fg-gen3.c index cef24ddcd106..f8c1ad5963af 100644 --- a/drivers/power/qcom-charger/qpnp-fg-gen3.c +++ b/drivers/power/qcom-charger/qpnp-fg-gen3.c @@ -771,6 +771,27 @@ static inline void get_temp_setpoint(int threshold, u8 *val) *val = DIV_ROUND_CLOSEST((threshold + 30) * 10, 5); } +static inline void get_batt_temp_delta(int delta, u8 *val) +{ + switch (delta) { + case 2: + *val = BTEMP_DELTA_2K; + break; + case 4: + *val = BTEMP_DELTA_4K; + break; + case 6: + *val = BTEMP_DELTA_6K; + break; + case 10: + *val = BTEMP_DELTA_10K; + break; + default: + *val = BTEMP_DELTA_2K; + break; + }; +} + static int fg_set_esr_timer(struct fg_chip *chip, int cycles, bool charging, int flags) { @@ -1849,6 +1870,14 @@ static int fg_hw_init(struct fg_chip *chip) } } + get_batt_temp_delta(chip->dt.batt_temp_delta, &val); + rc = fg_masked_write(chip, BATT_INFO_BATT_TMPR_INTR(chip), + CHANGE_THOLD_MASK, val); + if (rc < 0) { + pr_err("Error in writing batt_temp_delta, rc=%d\n", rc); + return rc; + } + return 0; } @@ -1902,8 +1931,33 @@ static irqreturn_t fg_batt_missing_irq_handler(int irq, void *data) static irqreturn_t fg_delta_batt_temp_irq_handler(int irq, void *data) { struct fg_chip *chip = data; + union power_supply_propval prop = {0, }; + int rc, batt_temp; fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); + rc = fg_get_battery_temp(chip, &batt_temp); + if (rc < 0) { + pr_err("Error in getting batt_temp\n"); + return IRQ_HANDLED; + } + + if (!is_charger_available(chip)) { + chip->last_batt_temp = batt_temp; + return IRQ_HANDLED; + } + + power_supply_get_property(chip->batt_psy, POWER_SUPPLY_PROP_HEALTH, + &prop); + chip->health = prop.intval; + + if (chip->last_batt_temp != batt_temp) { + chip->last_batt_temp = batt_temp; + power_supply_changed(chip->batt_psy); + } + + if (abs(chip->last_batt_temp - batt_temp) > 30) + pr_warn("Battery temperature last:%d current: %d\n", + chip->last_batt_temp, batt_temp); return IRQ_HANDLED; } @@ -2013,6 +2067,7 @@ static struct fg_irq_info fg_irqs[FG_IRQ_MAX] = { [BATT_TEMP_DELTA_IRQ] = { .name = "batt-temp-delta", .handler = fg_delta_batt_temp_irq_handler, + .wakeable = true, }, [BATT_MISSING_IRQ] = { .name = "batt-missing", @@ -2116,6 +2171,8 @@ static int fg_register_interrupts(struct fg_chip *chip) #define DEFAULT_CL_MAX_DEC_DECIPERC 100 #define DEFAULT_CL_MIN_LIM_DECIPERC 0 #define DEFAULT_CL_MAX_LIM_DECIPERC 0 +#define BTEMP_DELTA_LOW 2 +#define BTEMP_DELTA_HIGH 10 static int fg_parse_dt(struct fg_chip *chip) { struct device_node *child, *revid_node, *node = chip->dev->of_node; @@ -2353,6 +2410,12 @@ static int fg_parse_dt(struct fg_chip *chip) else chip->dt.jeita_hyst_temp = temp; + rc = of_property_read_u32(node, "qcom,fg-batt-temp-delta", &temp); + if (rc < 0) + chip->dt.batt_temp_delta = -EINVAL; + else if (temp > BTEMP_DELTA_LOW && temp <= BTEMP_DELTA_HIGH) + chip->dt.batt_temp_delta = temp; + return 0; } |