[PATCH v3 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC

[Jonathan Cameron]

On Mon, 15 Jan 2018 11:33:36 +0100
Quentin Schulz <quentin.schulz at free-electrons.com> wrote:

> X-Powers PMICs have several ADC channels that can be used for different
> purposes, e.g. PMIC internal temperature, battery voltage or AC current.
> 
> This is the documentation for AXP209, AXP221/223 and AXP813 ADC
> bindings.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz at free-electrons.com>
> Reviewed-by: Rob Herring <robh at kernel.org>
Applied to the togreg branch of iio.git and pushed out as testing.

Thanks,

Jonathan

> ---
>  Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 48 +++++++++-
>  1 file changed, 48 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> new file mode 100644
> index 0000000..7a63139
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt
> @@ -0,0 +1,48 @@
> +* X-Powers AXP ADC bindings
> +
> +Required properties:
> +  - compatible: should be one of:
> +    - "x-powers,axp209-adc",
> +    - "x-powers,axp221-adc",
> +    - "x-powers,axp813-adc",
> +  - #io-channel-cells: should be 1,
> +
> +Example:
> +
> +&axp22x {
> +	adc {
> +		compatible = "x-powers,axp221-adc";
> +		#io-channel-cells = <1>;
> +	};
> +};
> +
> +ADC channels and their indexes per variant:
> +
> +AXP209
> +------
> + 0 | acin_v
> + 1 | acin_i
> + 2 | vbus_v
> + 3 | vbus_i
> + 4 | pmic_temp
> + 5 | gpio0_v
> + 6 | gpio1_v
> + 7 | ipsout_v
> + 8 | batt_v
> + 9 | batt_chrg_i
> +10 | batt_dischrg_i
> +
> +AXP22x
> +------
> + 0 | pmic_temp
> + 1 | batt_v
> + 2 | batt_chrg_i
> + 3 | batt_dischrg_i
> +
> +AXP813
> +------
> + 0 | pmic_temp
> + 1 | gpio0_v
> + 2 | batt_v
> + 3 | batt_chrg_i
> + 4 | batt_dischrg_i