arm64: dts: rockchip: add rk3399 eDP HPD pinctrl

We haven't enabled eDP support yet, but we might as well describe the
pin now.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index cd18914692fe5be94ede5410016df1f372102828..fc0642d7eab2b944f924ab057cde2846aa08e16d 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1436,6 +1436,13 @@
                        };
                };
 
+               edp {
+                       edp_hpd: edp-hpd {
+                               rockchip,pins =
+                                       <4 23 RK_FUNC_2 &pcfg_pull_none>;
+                       };
+               };
+
                gmac {
                        rgmii_pins: rgmii-pins {
                                rockchip,pins =