ARM: dts: enable hdmi subsystem for exynos5420 smdk board

Add pinctrl node for hdmi hpd gpio pin to exynos5420 smdk board
file. hpd Gpio property is added to the hdmi node. This patch also
adds hdmi ddc node.

Both hdmi device and ddc i2c channel are enabled in
exynos5420-smdk5420.dts

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index bafba25ba7c29f44adba081b8bea245aa3d4b11a..79524c74c60354344bd9026b67614ce414ffbe31 100644 (file)
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -61,4 +61,30 @@
                };
        };
 
+       pinctrl@13400000 {
+               hdmi_hpd_irq: hdmi-hpd-irq {
+                       samsung,pins = "gpx3-7";
+                       samsung,pin-function = <0>;
+                       samsung,pin-pud = <1>;
+                       samsung,pin-drv = <0>;
+               };
+       };
+
+       hdmi@14530000 {
+               status = "okay";
+               hpd-gpio = <&gpx3 7 0>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&hdmi_hpd_irq>;
+       };
+
+       i2c_2: i2c@12C80000 {
+               samsung,i2c-sda-delay = <100>;
+               samsung,i2c-max-bus-freq = <66000>;
+               status = "okay";
+
+               hdmiddc@50 {
+                       compatible = "samsung,exynos4210-hdmiddc";
+                       reg = <0x50>;
+               };
+       };
 };