ARM: dts: Add pin state information for DP HPD support to Exynos5420

Add pin state information for DP HPD support that requires pin configuration
support using pinctrl interface.

Signed-off-by: Vikas Sajjan <vikas.sajjan@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
index 5848c425ae4d..e695aba5f73c 100644
--- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
@@ -59,6 +59,13 @@
                         interrupt-controller;
                         #interrupt-cells = <2>;
                 };
+
+                dp_hpd: dp_hpd {
+                        samsung,pins = "gpx0-7";
+                        samsung,pin-function = <3>;
+                        samsung,pin-pud = <0>;
+                        samaung,pin-drv = <0>;
+                };
         };
 
         pinctrl@13410000 {
diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index ce7bb64fa117..bafba25ba7c2 100644
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -32,6 +32,8 @@
         };
 
         dp-controller@145B0000 {
+                pinctrl-names = "default";
+                pinctrl-0 = <&dp_hpd>;
                 samsung,color-space = <0>;
                 samsung,dynamic-range = <0>;
                 samsung,ycbcr-coeff = <0>;