On Mon, Feb 19, 2024 at 9:23 PM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
>
> The ChromeOS embedded controller (EC) supports setting the state of
> GPIOs when the system is unlocked, and getting the state of GPIOs in all
> cases. The GPIOs are on the EC itself, so the EC acts similar to a GPIO
> expander. Add the #gpio-cells and gpio-controller properties to the
> cros-ec binding so that other devices described in DT can get the GPIOs
> on the EC.
>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Bartosz Golaszewski <brgl@xxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
> Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
> Cc: Lee Jones <lee@xxxxxxxxxx>
> Cc: Benson Leung <bleung@xxxxxxxxxxxx>
> Cc: Guenter Roeck <groeck@xxxxxxxxxxxx>
> Cc: <devicetree@xxxxxxxxxxxxxxx>
> Cc: <chrome-platform@xxxxxxxxxxxxxxx>
> Cc: Pin-yen Lin <treapking@xxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mfd/google,cros-ec.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> index e1ca4f297c6d..aac8819bd00b 100644
> --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> @@ -93,6 +93,11 @@ properties:
> '#size-cells':
> const: 0
>
> + '#gpio-cells':
> + const: 2
> +
> + gpio-controller: true
> +
> typec:
> $ref: /schemas/chrome/google,cros-ec-typec.yaml#
>
> @@ -275,6 +280,8 @@ examples:
> interrupts = <99 0>;
> interrupt-parent = <&gpio7>;
> spi-max-frequency = <5000000>;
> + #gpio-cells = <2>;
> + gpio-controller;
>
> proximity {
> compatible = "google,cros-ec-mkbp-proximity";
> --
> https://chromeos.dev
>
Applied, thanks!
Bart
