Hi,
On Wed, Mar 15, 2017 at 11:55:30AM +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>
> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
> Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
I suggest to do "s/battery-power-supply/battery-fuel-gauge/g"
> ---
>
> v4:
> - added monitored-battery optional property,
> - added example with battery,
>
> v3:
> - removed constant charge current property, now should use the WIP
> battery framework,
>
> v2:
> - changed DT node name from ac_power_supply to ac-power-supply,
ac-power-supply?
-- Sebastian
> - removed io-channels and io-channel-names from DT (the IIO mapping is
> done in the IIO ADC driver now),
> - added x-powers,constant-charge-current property to set the maximal
> default constant current charge of the battery,
> .../bindings/power/supply/axp20x_battery.txt | 30 ++++++++++++++++++++++
> 1 file changed, 30 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..89cb7a2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/axp20x_battery.txt
> @@ -0,0 +1,30 @@
> +AXP20x and AXP22x battery power supply
> +
> +Required Properties:
> + - compatible, one of:
> + "x-powers,axp209-battery-power-supply"
> + "x-powers,axp221-battery-power-supply"
> +
> +Optional properties:
> + - monitored-battery, phandle to a fixed battery
> +
> +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:
> +
> +battery: battery {
> + compatible = "fixed-battery";
> + voltage-min-design-microvolt = <3200000>;
> + constant-charge-microamp = <300000>;
> +};
> +
> +&axp209 {
> + battery_power_supply: battery-power-supply {
> + compatible = "x-powers,axp209-battery-power-supply";
> + monitored-battery = <&battery>;
> + }
> +};
> --
> 2.9.3
>
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