Re: [PATCH v2 3/4] dt-bindings: i2c: Add regulator to pca954x and max735x

From: Laurent Pinchart
Date: Sat Jan 08 2022 - 18:18:55 EST


Hi Patrick,

Thank you for the patch.

On Sat, Jan 08, 2022 at 07:57:57PM +0100, Patrick Rudolph wrote:
> Add a regulator called vdd also present in datasheets of PCA954x
> and MAX735x and update the examples.
>
> Signed-off-by: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml | 5 +++++
> Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml | 5 +++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml
> index dc924ec934ca..93eda07718e8 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml
> @@ -57,6 +57,9 @@ properties:
> description: if present, overrides i2c-mux-idle-disconnect
> $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state
>
> + vdd-supply:
> + description: A voltage regulator supplying power to the chip.
> +
> required:
> - compatible
> - reg
> @@ -75,6 +78,8 @@ examples:
> #size-cells = <0>;
> reg = <0x74>;
>
> + vdd-supply = <&p3v3>;
> +
> i2c@1 {
> #address-cells = <1>;
> #size-cells = <0>;

This should be part of patch 1/4 (or better in my opinion, the two
binding files should be merged into a single one).

> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
> index 9f1726d0356b..b28d05dc956d 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
> @@ -59,6 +59,9 @@ properties:
> description: if present, overrides i2c-mux-idle-disconnect
> $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state
>
> + vdd-supply:
> + description: A voltage regulator supplying power to the chip.
> +
> required:
> - compatible
> - reg
> @@ -79,6 +82,8 @@ examples:
> #size-cells = <0>;
> reg = <0x74>;
>
> + vdd-supply = <&p3v3>;
> +
> interrupt-parent = <&ipic>;
> interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
> interrupt-controller;

For this part,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

--
Regards,

Laurent Pinchart