diff options
| -rw-r--r-- | Documentation/devicetree/bindings/power_supply/max17042_battery.txt | 13 | ||||
| -rw-r--r-- | drivers/power/max17042_battery.c | 9 |
2 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power_supply/max17042_battery.txt b/Documentation/devicetree/bindings/power_supply/max17042_battery.txt index 5bc9b68..3f3894a 100644 --- a/Documentation/devicetree/bindings/power_supply/max17042_battery.txt +++ b/Documentation/devicetree/bindings/power_supply/max17042_battery.txt @@ -9,10 +9,23 @@ Optional properties : (datasheet-recommended value is 10000). Defining this property enables current-sense functionality. +Optional threshold properties : + If skipped the condition won't be reported. + - maxim,cold-temp : Temperature threshold to report battery + as cold (in tenths of degree Celsius). + - maxim,over-heat-temp : Temperature threshold to report battery + as over heated (in tenths of degree Celsius). + - maxim,dead-volt : Voltage threshold to report battery + as dead (in mV). + - maxim,over-volt : Voltage threshold to report battery + as over voltage (in mV). + Example: battery-charger@36 { compatible = "maxim,max17042"; reg = <0x36>; maxim,rsns-microohm = <10000>; + maxim,over-heat-temp = <600>; + maxim,over-volt = <4300>; }; diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c index 748d976..e892557 100644 --- a/drivers/power/max17042_battery.c +++ b/drivers/power/max17042_battery.c @@ -809,6 +809,15 @@ max17042_get_pdata(struct device *dev) pdata->enable_current_sense = true; } + if (of_property_read_s32(np, "maxim,cold-temp", &pdata->temp_min)) + pdata->temp_min = INT_MIN; + if (of_property_read_s32(np, "maxim,over-heat-temp", &pdata->temp_max)) + pdata->temp_max = INT_MAX; + if (of_property_read_s32(np, "maxim,dead-volt", &pdata->vmin)) + pdata->vmin = INT_MIN; + if (of_property_read_s32(np, "maxim,over-volt", &pdata->vmax)) + pdata->vmax = INT_MAX; + return pdata; } #else |
