On 07/06/2023 23:49, Douglas Anderson wrote:
> As talked about in the patch ("drm/panel: Add a way for other devices
> to follow panel state"), touchscreens that are connected to panels are
> generally expected to be power sequenced together with the panel
> they're attached to. Today, nothing provides information allowing you
> to find out that a touchscreen is connected to a panel. Let's add a
> phandle for this.
>
> The proerty is added to the generic touchscreen bindings and then
> enabled in the bindings for the i2c-hid backed devices. This can and
> should be added for other touchscreens in the future, but for now
> let's start small.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
>
> Changes in v2:
> - Move the description to the generic touchscreen.yaml.
> - Update the desc to make it clearer it's only for integrated devices.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Best regards,
Krzysztof
