linux-kernel - [PATCH v1] arm64: dts: qcom: sc7180: Add DisplayPort HPD pin dt node

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Message-Id: <20200817224527.28532-1-tanmay@codeaurora.org>
Date:   Mon, 17 Aug 2020 15:45:27 -0700
From:   Tanmay Shah <tanmay@...eaurora.org>
To:     devicetree@...r.kernel.org
Cc:     swboyd@...omium.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, seanpaul@...omium.org,
        robdclark@...il.com, daniel@...ll.ch, airlied@...ux.ie,
        aravindh@...eaurora.org, abhinavk@...eaurora.org,
        khsieh@...eaurora.org, Tanmay Shah <tanmay@...eaurora.org>
Subject: [PATCH v1] arm64: dts: qcom: sc7180: Add DisplayPort HPD pin dt node

This node defines alternate DP HPD functionality of GPIO.

Signed-off-by: Tanmay Shah <tanmay@...eaurora.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 {
+					pins = "gpio117";
+					bias-disable;
+					input-enable;
+					drive-strength = <2>;
+				};
+			};
 		};
 
 		gpu: gpu@...0000 {

base-commit: 62975d27d647a40c58d3b96c29b911fc4f33c310
-- 
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