diff mbox series

[v1] arm64: dts: qcom: sc7180: Add DisplayPort HPD pin dt node

Message ID 20200817224527.28532-1-tanmay@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series [v1] arm64: dts: qcom: sc7180: Add DisplayPort HPD pin dt node | expand

Commit Message

Tanmay Shah Aug. 17, 2020, 10:45 p.m. UTC
This node defines alternate DP HPD functionality of GPIO.

Signed-off-by: Tanmay Shah <tanmay@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)


base-commit: 62975d27d647a40c58d3b96c29b911fc4f33c310

Comments

Stephen Boyd Aug. 17, 2020, 10:50 p.m. UTC | #1
Quoting Tanmay Shah (2020-08-17 15:45:27)
> This node defines alternate DP HPD functionality of GPIO.
> 
> Signed-off-by: Tanmay Shah <tanmay@codeaurora.org>
> ---
>  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 {
>
diff mbox series

Patch

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 {
+					pins = "gpio117";
+					bias-disable;
+					input-enable;
+					drive-strength = <2>;
+				};
+			};
 		};
 
 		gpu: gpu@5000000 {