[PATCH 07/22] dt-bindings: power: supply: add AXP20X/AXP22X AC power supply

Rob Herring
2017-01-04T13:14:10Z

On Mon, Jan 02, 2017 at 05:37:07PM +0100, Quentin Schulz wrote:
> The X-Powers AXP20X and AXP22X PMICs have an AC entry to supply power to
> the board. They have a few registers dedicated to the status of the AC
> power supply.
>
> This adds the DT binding documentation for the AC power supply for
> AXP20X and AXP22X PMICs.
>
> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
> ---
> .../bindings/power/supply/axp20x_ac_power.txt | 28 ++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt
>
> diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt b/Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt
> new file mode 100644
> index 0000000..16d0de4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/axp20x_ac_power.txt
> @@ -0,0 +1,28 @@
> +AXP20X and AXP22X PMICs' AC power supply
> +
> +Required Properties:
> + - compatible: One of:
> + "x-powers,axp202-ac-power-supply"
> + "x-powers,axp221-ac-power-supply"
> +
> +More Required Properties for AXP20X PMICs:
> + - io-channels: phandles to ACIN voltage and current ADC channels
> + - io-channel-names = "acin_v", "acin_i";
> +
> +This node is a subnode of the axp20x PMIC.
> +
> +The AXP20X can read the current current and voltage supplied by AC by
> +reading ADC channels from the AXP20X ADC.
> +
> +The AXP22X is only able to tell if an AC power supply is present and
> +usable.
> +
> +Example:
> +
> +&axp209 {
> + ac_power_supply: ac_power_supply {

power-supply {

> + compatible = "x-powers,axp202-ac-power-supply";
> + io-channels = <&axp209_adc 0>, <&axp209_adc 1>;

Is this assignment fixed? If so, then it doesn't need to be in DT.

> + io-channel-names = "acin_v", "acin_i";
> + };
> +};
> --
> 2.9.3
>