[PATCH v6 1/2] arm64: dts: qcom: x1e78100-t14s: add hpd gpio to dp controller

[Christopher Obbard]

The eDP controller has an HPD GPIO. Describe it in the device tree
for the generic T14s model, as the HPD GPIO is used in both the
OLED and LCD models which inherit this device tree.

Signed-off-by: Christopher Obbard <christopher.obbard at linaro.org>
---
 arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 3 +++
 arch/arm64/boot/dts/qcom/x1e80100.dtsi                      | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
index ac1dddf27da30e6a9f7e1d1ecbd5192bf2d0671e..c33dce6fec6746cc7fe2f7a1ab5e9f99feea5535 100644
--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi
@@ -1008,6 +1008,9 @@ &mdss_dp1_out {
 &mdss_dp3 {
 	/delete-property/ #sound-dai-cells;
 
+	pinctrl-names = "default";
+	pinctrl-0 = <&edp_hpd_active>;
+
 	status = "okay";
 
 	aux-bus {
diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 5e9a8fa3cf96468b12775f91192cbd779d5ce946..8efd045af778beb30831f3af5ad2b901a72d87d7 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -5779,6 +5779,11 @@ tlmm: pinctrl at f100000 {
 			gpio-ranges = <&tlmm 0 0 239>;
 			wakeup-parent = <&pdc>;
 
+			edp_hpd_active: edp-hpd-active-state {
+				pins = "gpio119";
+				function = "edp0_hot";
+			};
+
 			qup_i2c0_data_clk: qup-i2c0-data-clk-state {
 				/* SDA, SCL */
 				pins = "gpio0", "gpio1";

-- 
2.50.1