diff options
author | Dmitry Osipenko <digetx@gmail.com> | 2020-08-14 00:34:02 +0300 |
---|---|---|
committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-08-25 20:24:37 +0300 |
commit | 00cda13e339c9f4956a6f036675df2ca5b5a552e (patch) | |
tree | 94f1e26daca5994c283badba4622ddda8b098557 | |
parent | c1f90759b3d536f9b1b047484d08dfd04af3c4b1 (diff) | |
download | linux-00cda13e339c9f4956a6f036675df2ca5b5a552e.tar.xz |
power: supply: Support battery temperature device-tree properties
The generic battery temperature properties are already supported by the
power-supply core. Let's support parsing of the common battery temperature
properties from a device-tree.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-rw-r--r-- | drivers/power/supply/power_supply_core.c | 19 | ||||
-rw-r--r-- | include/linux/power_supply.h | 6 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index ccbad435ed12..38e3aa642131 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -579,6 +579,12 @@ int power_supply_get_battery_info(struct power_supply *psy, info->charge_term_current_ua = -EINVAL; info->constant_charge_current_max_ua = -EINVAL; info->constant_charge_voltage_max_uv = -EINVAL; + info->temp_ambient_alert_min = INT_MIN; + info->temp_ambient_alert_max = INT_MAX; + info->temp_alert_min = INT_MIN; + info->temp_alert_max = INT_MAX; + info->temp_min = INT_MIN; + info->temp_max = INT_MAX; info->factory_internal_resistance_uohm = -EINVAL; info->resist_table = NULL; @@ -639,6 +645,19 @@ int power_supply_get_battery_info(struct power_supply *psy, of_property_read_u32(battery_np, "factory-internal-resistance-micro-ohms", &info->factory_internal_resistance_uohm); + of_property_read_u32_index(battery_np, "ambient-celsius", + 0, &info->temp_ambient_alert_min); + of_property_read_u32_index(battery_np, "ambient-celsius", + 1, &info->temp_ambient_alert_max); + of_property_read_u32_index(battery_np, "alert-celsius", + 0, &info->temp_alert_min); + of_property_read_u32_index(battery_np, "alert-celsius", + 1, &info->temp_alert_max); + of_property_read_u32_index(battery_np, "operating-range-celsius", + 0, &info->temp_min); + of_property_read_u32_index(battery_np, "operating-range-celsius", + 1, &info->temp_max); + len = of_property_count_u32_elems(battery_np, "ocv-capacity-celsius"); if (len < 0 && len != -EINVAL) { err = len; diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 97cc4b85bf61..d0684362a392 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -365,6 +365,12 @@ struct power_supply_battery_info { int constant_charge_voltage_max_uv; /* microVolts */ int factory_internal_resistance_uohm; /* microOhms */ int ocv_temp[POWER_SUPPLY_OCV_TEMP_MAX];/* celsius */ + int temp_ambient_alert_min; /* celsius */ + int temp_ambient_alert_max; /* celsius */ + int temp_alert_min; /* celsius */ + int temp_alert_max; /* celsius */ + int temp_min; /* celsius */ + int temp_max; /* celsius */ struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX]; int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX]; struct power_supply_resistance_temp_table *resist_table; |