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>

1 files changed, 37 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index dd3076d94727..e30a5778f675 100644
--- 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 {