[PATCH 14/22] dt-bindings: power: supply: add AXP20X/AXP22X battery DT binding

Jonathan Cameron
2017-01-07T19:33:47Z

On 04/01/17 08:21, Rob Herring wrote:
> On Mon, Jan 02, 2017 at 05:37:14PM +0100, Quentin Schulz wrote:
>> The X-Powers AXP20X and AXP22X PMICs can have a battery as power supply.
>>
>> This patch adds the DT binding documentation for the battery power
>> supply which gets various data from the PMIC, such as the battery status
>> (charging, discharging, full, dead), current max limit, current current,
>> battery capacity (in percentage), voltage max and min limits, current
>> voltage and battery capacity (in Ah).
>>
>> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
>> ---
>> .../bindings/power/supply/axp20x_battery.txt | 27 ++++++++++++++++++++++
>> 1 file changed, 27 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/power/supply/axp20x_battery.txt
>>
>> diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt
>> new file mode 100644
>> index 0000000..5489d0d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt
>> @@ -0,0 +1,27 @@
>> +AXP20x and AXP22x battery power supply
>> +
>> +Required Properties:
>> + - compatible, one of:
>> + "x-powers,axp209-battery-power-supply"
>> + "x-powers,axp221-battery-power-supply"
>> + - io-channels: phandles to battery voltage, charge and discharge
>> + currents ADC channels
>> + - io-channel-names = "batt_v", "batt_chrg_i", "batt_dischrg_i";
>> +
>> +This node is a subnode of the axp20x/axp22x PMIC.
>> +
>> +The AXP20X and AXP22X can read the battery voltage, charge and discharge
>> +currents of the battery by reading ADC channels from the AXP20X/AXP22X
>> +ADC.
>> +
>> +Example:
>> +
>> +&axp209 {
>> + battery_power_supply: battery_power_supply {
>
> Humm, I guess you power-supply is not sufficient, so
> 'battery-power-supply' and similar for ac.
>
>> + compatible = "x-powers,axp209-battery-power-supply";
>> + io-channels = <&axp209_adc 7>, <&axp209_adc 8>,
>> + <&axp209_adc 9>;
>> + io-channel-names = "batt_v", "batt_chrg_i",
>> + "batt_dischrg_i";
Is this stuff fixed for the device?
>> + }
>> +};
>> --
>> 2.9.3
>>
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