ARM: tegra: jetson-tk1 - Enable HDMI support

Add HDMI +5V, VDD and PLL regulators and enable the DDC I2C controller.
Enable the HDMI device, provide the power supplies as well as the DDC
adapter and use pin the standard pin (PN7) for hotplug detection.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index dd3076d947277586bd26d909fa348e615c97d361..e30a5778f675a145c8dcaa30d453c4c04a9f3256 100644 (file)
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -16,6 +16,20 @@
                reg = <0x0 0x80000000 0x0 0x80000000>;
        };
 
+       host1x@0,50000000 {
+               hdmi@0,54280000 {
+                       status = "okay";
+
+                       hdmi-supply = <&vdd_5v0_hdmi>;
+                       pll-supply = <&vdd_hdmi_pll>;
+                       vdd-supply = <&vdd_3v3_hdmi>;
+
+                       nvidia,ddc-i2c-bus = <&hdmi_ddc>;
+                       nvidia,hpd-gpio =
+                               <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
+               };
+       };
+
        pinmux: pinmux@0,70000868 {
                pinctrl-names = "default";
                pinctrl-0 = <&state_default>;
@@ -1382,7 +1396,7 @@
        };
 
        /* HDMI DDC */
-       i2c@0,7000c700 {
+       hdmi_ddc: i2c@0,7000c700 {
                status = "okay";
                clock-frequency = <100000>;
        };
@@ -1477,7 +1491,7 @@
                                        regulator-boot-on;
                                };
 
-                               sd4 {
+                               vdd_1v05_run: sd4 {
                                        regulator-name = "+1.05V_RUN";
                                        regulator-min-microvolt = <1050000>;
                                        regulator-max-microvolt = <1050000>;
@@ -1765,6 +1779,27 @@
                        enable-active-high;
                        vin-supply = <&vdd_3v3_sys>;
                };
+
+               vdd_hdmi_pll: regulator@11 {
+                       compatible = "regulator-fixed";
+                       reg = <11>;
+                       regulator-name = "+1.05V_RUN_AVDD_HDMI_PLL";
+                       regulator-min-microvolt = <1050000>;
+                       regulator-max-microvolt = <1050000>;
+                       gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_LOW>;
+                       vin-supply = <&vdd_1v05_run>;
+               };
+
+               vdd_5v0_hdmi: regulator@12 {
+                       compatible = "regulator-fixed";
+                       reg = <12>;
+                       regulator-name = "+5V_HDMI_CON";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       gpio = <&gpio TEGRA_GPIO(K, 6) GPIO_ACTIVE_HIGH>;
+                       enable-active-high;
+                       vin-supply = <&vdd_5v0_sys>;
+               };
        };
 
        sound {