ARM: dts: enable hdmi support for exynos4412-odroid-common

This patch adds nodes specific to Exynos4412 based Odroid X/X2/U2/U3
boards required for enabling HDMI display.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

1 files changed, 40 insertions, 3 deletions

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index cf4bd9e59800..adb4f6a97a1d 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -249,11 +249,18 @@
                                         regulator-always-on;
                                 };
 
-                                ldo10_reg: LDO10 {
-                                        regulator-name = "VDD18_MIPIHSI_1.8V";
+                                ldo8_reg: ldo@8 {
+                                        regulator-compatible = "LDO8";
+                                        regulator-name = "VDD10_HDMI_1.0V";
+                                        regulator-min-microvolt = <1000000>;
+                                        regulator-max-microvolt = <1000000>;
+                                };
+
+                                ldo10_reg: ldo@10 {
+                                        regulator-compatible = "LDO10";
+                                        regulator-name = "VDDQ_MIPIHSI_1.8V";
                                         regulator-min-microvolt = <1800000>;
                                         regulator-max-microvolt = <1800000>;
-                                        regulator-always-on;
                                 };
 
                                 ldo11_reg: LDO11 {
@@ -438,6 +445,31 @@
                        };
                 };
         };
+
+        mixer: mixer@12C10000 {
+                status = "okay";
+        };
+
+        hdmi@12D00000 {
+                hpd-gpio = <&gpx3 7 0>;
+                pinctrl-names = "default";
+                pinctrl-0 = <&hdmi_hpd>;
+                vdd-supply = <&ldo8_reg>;
+                vdd_osc-supply = <&ldo10_reg>;
+                vdd_pll-supply = <&ldo8_reg>;
+                ddc = <&hdmi_ddc>;
+                status = "okay";
+        };
+
+        hdmi_ddc: i2c@13880000 {
+                status = "okay";
+                pinctrl-names = "default";
+                pinctrl-0 = <&i2c2_bus>;
+        };
+
+        i2c@138E0000 {
+                status = "okay";
+        };
 };
 
 &pinctrl_1 {
@@ -452,4 +484,9 @@
                 samsung,pin-pud = <0>;
                 samsung,pin-drv = <0>;
         };
+
+        hdmi_hpd: hdmi-hpd {
+                samsung,pins = "gpx3-7";
+                samsung,pin-pud = <1>;
+        };
 };