Quoting Tanmay Shah (2020-08-17 15:45:27)
> This node defines alternate DP HPD functionality of GPIO.
>
> Signed-off-by: Tanmay Shah <tanmay@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index bf2f2bb1aa79..9f97cf5dd9ab 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -1457,6 +1457,20 @@ pinconf-sd-cd {
> drive-strength = <2>;
> };
> };
> +
> + dp_hot_plug_det: dp-hot-plug-det {
> + pinmux {
> + pins = "gpio117";
> + function = "dp_hot";
> + };
> +
> + config {
The node name is usualy called pinconf. Please use that.
> + pins = "gpio117";
> + bias-disable;
> + input-enable;
> + drive-strength = <2>;
My understanding is that drive-strength doesn't do anything when the pin
is input. So this line should be removed.
> + };
> + };
> };
>
> gpu: gpu@5000000 {
>
