arm64: dts: qcom: sc7180: Add DisplayPort HPD pin dt node

This node defines alternate DP HPD functionality of GPIO.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Tanmay Shah <tanmay@codeaurora.org>
Link: https://lore.kernel.org/r/20200818033657.16074-1-tanmay@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index d46b383..b0dd859 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1447,6 +1447,19 @@
                        gpio-ranges = <&tlmm 0 0 120>;
                        wakeup-parent = <&pdc>;
 
+                       dp_hot_plug_det: dp-hot-plug-det {
+                               pinmux {
+                                       pins = "gpio117";
+                                       function = "dp_hot";
+                               };
+
+                               pinconf {
+                                       pins = "gpio117";
+                                       bias-disable;
+                                       input-enable;
+                               };
+                       };
+
                        qspi_clk: qspi-clk {
                                pinmux {
                                        pins = "gpio63";