On Sat, 3 Jul 2021 10:42:21 +0200
Andreas Kemnade <andreas@xxxxxxxxxxxx> wrote:
> Add ADC related nodes and properties. This will allow to wire
> up ADC channels to consumers, especially to measure input voltages
> by the power subdevice.
>
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> .../bindings/mfd/ricoh,rn5t618.yaml | 53 +++++++++++++++++++
> 1 file changed, 53 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> index 032a7fb0b4a7..185f87a14a54 100644
> --- a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> +++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
> @@ -73,6 +73,48 @@ properties:
> description: |
> See Documentation/devicetree/bindings/power/power-controller.txt
>
> + adc:
> + type: object
> +
> + properties:
> + compatible:
> + enum:
> + - ricoh,rn5t618-adc
> + - ricoh,rc5t619-adc
> +
> + "#io-channel-cells":
> + const: 1
> +
> + additionalProperties: false
> +
> + required:
> + - compatible
> + - "#io-channel-cells"
Strictly required? If not used below (where it is optional)
then why do we require the ADC driver to provided the services?
I don't mind you leave it as it is though if you prefer - it doesn't
do any harm!
> +
> + power:
> + type: object
> +
> + properties:
> + compatible:
> + enum:
> + - ricoh,rn5t618-power
> + - ricoh,rc5t619-power
> +
> + io-channels:
> + items:
> + - description: ADP Voltage Channel
> + - description: USB Voltage Channel
> +
> + io-channel-names:
> + items:
> + - const: vadp
> + - const: vusb
> +
> + additionalProperties: false
> +
> + required:
> + - compatible
> +
> regulators:
> type: object
>
> @@ -96,6 +138,17 @@ examples:
> interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
> system-power-controller;
>
> + rn5t618_adc: adc {
> + compatible = "ricoh,rn5t618-adc";
> + #io-channel-cells = <1>;
> + };
> +
> + power {
> + compatible = "ricoh,rn5t618-power";
> + io-channels = <&rn5t618_adc 2>, <&rn5t618_adc 3>;
> + io-channel-names = "vadp", "vusb";
> + };
> +
> regulators {
> DCDC1 {
> regulator-min-microvolt = <1050000>;
