On Mon, Apr 12, 2021 at 07:30:19PM +0800, Ikjoon Jang wrote:
> This is for ChromeOS tablets which have a 'cros_cbas' switch device
> in the "Whiskers" base board. This device can be instantiated only by
> device tree on ARM platforms. ChromeOS EC doesn't provide a way to
> probe the device.
>
> Signed-off-by: Ikjoon Jang <ikjn@xxxxxxxxxxxx>
>
> ---
>
> Changes in v4:
> Define cros-cbase bindings inside google,cros-ec.yaml instead of
> a seperated binding document.
>
> .../devicetree/bindings/mfd/google,cros-ec.yaml | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> index 76bf16ee27ec..c76809cd9f7f 100644
> --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
> @@ -127,6 +127,18 @@ patternProperties:
> type: object
> $ref: "/schemas/extcon/extcon-usbc-cros-ec.yaml#"
>
> + "^cbas$":
Not a pattern, put under 'properties'.
> + type: object
> + properties:
> + compatible:
> + const: google,cros-cbas
Blank line
> + required:
> + - compatible
Blank line
> + additionalProperties: false
> + description:
Make this 1st or at least before 'properties'.
> + This device is used to signal when a detachable base is attached
> + to a Chrome OS tablet.
This can't happen at runtime?
> +
> required:
> - compatible
>
> @@ -180,6 +192,10 @@ examples:
> interrupts = <99 0>;
> interrupt-parent = <&gpio7>;
> spi-max-frequency = <5000000>;
> +
> + base_detection: cbas {
> + compatible = "google,cros-cbas";
> + };
> };
> };
>
> --
> 2.31.1.295.g9ea45b61b8-goog
>
