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@xxxxxxxxxxxxxxxxxx>
> ---
> .../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";
> + }
> +};
> --
> 2.9.3
>
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