diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/twl-charger.txt | 20 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/power_supply/ti,bq24735.txt | 32 | ||||
| -rw-r--r-- | Documentation/power/power_supply_class.txt | 8 |
3 files changed, 56 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/power/twl-charger.txt b/Documentation/devicetree/bindings/power/twl-charger.txt new file mode 100644 index 00000000000..d5c706216df --- /dev/null +++ b/Documentation/devicetree/bindings/power/twl-charger.txt @@ -0,0 +1,20 @@ +TWL BCI (Battery Charger Interface) + +Required properties: +- compatible: + - "ti,twl4030-bci" +- interrupts: two interrupt lines from the TWL SIH (secondary + interrupt handler) - interrupts 9 and 2. + +Optional properties: +- ti,bb-uvolt: microvolts for charging the backup battery. +- ti,bb-uamp: microamps for charging the backup battery. + +Examples: + +bci { + compatible = "ti,twl4030-bci"; + interrupts = <9>, <2>; + ti,bb-uvolt = <3200000>; + ti,bb-uamp = <150>; +}; diff --git a/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt b/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt new file mode 100644 index 00000000000..4f6a550184d --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/ti,bq24735.txt @@ -0,0 +1,32 @@ +TI BQ24735 Charge Controller +~~~~~~~~~~ + +Required properties : + - compatible : "ti,bq24735" + +Optional properties : + - interrupts : Specify the interrupt to be used to trigger when the AC + adapter is either plugged in or removed. + - ti,ac-detect-gpios : This GPIO is optionally used to read the AC adapter + presence. This is a Host GPIO that is configured as an input and + connected to the bq24735. + - ti,charge-current : Used to control and set the charging current. This value + must be between 128mA and 8.128A with a 64mA step resolution. The POR value + is 0x0000h. This number is in mA (e.g. 8192), see spec for more information + about the ChargeCurrent (0x14h) register. + - ti,charge-voltage : Used to control and set the charging voltage. This value + must be between 1.024V and 19.2V with a 16mV step resolution. The POR value + is 0x0000h. This number is in mV (e.g. 19200), see spec for more information + about the ChargeVoltage (0x15h) register. + - ti,input-current : Used to control and set the charger input current. This + value must be between 128mA and 8.064A with a 128mA step resolution. The + POR value is 0x1000h. This number is in mA (e.g. 8064), see the spec for + more information about the InputCurrent (0x3fh) register. + +Example: + + bq24735@9 { + compatible = "ti,bq24735"; + reg = <0x9>; + ti,ac-detect-gpios = <&gpio 72 0x1>; + } diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt index 3f10b39b034..89a8816990f 100644 --- a/Documentation/power/power_supply_class.txt +++ b/Documentation/power/power_supply_class.txt @@ -135,11 +135,11 @@ CAPACITY_LEVEL - capacity level. This corresponds to POWER_SUPPLY_CAPACITY_LEVEL_*. TEMP - temperature of the power supply. -TEMP_ALERT_MIN - minimum battery temperature alert value in milli centigrade. -TEMP_ALERT_MAX - maximum battery temperature alert value in milli centigrade. +TEMP_ALERT_MIN - minimum battery temperature alert. +TEMP_ALERT_MAX - maximum battery temperature alert. TEMP_AMBIENT - ambient temperature. -TEMP_AMBIENT_ALERT_MIN - minimum ambient temperature alert value in milli centigrade. -TEMP_AMBIENT_ALERT_MAX - maximum ambient temperature alert value in milli centigrade. +TEMP_AMBIENT_ALERT_MIN - minimum ambient temperature alert. +TEMP_AMBIENT_ALERT_MAX - maximum ambient temperature alert. TIME_TO_EMPTY - seconds left for battery to be considered empty (i.e. while battery powers a load) |