ARM: tegra: tamonten: Add host1x support

Hook up the required regulators, I2C DDC adapter and hotplug detect GPIO
to the Tamonten HDMI output. Carrier boards still need to explicitly
enable the output to use it.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 13 insertions, 3 deletions

diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 95df80e7cda..a239ccdfaa5 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -8,6 +8,16 @@
                 reg = <0x00000000 0x20000000>;
         };
 
+        host1x {
+                hdmi {
+                        vdd-supply = <&hdmi_vdd_reg>;
+                        pll-supply = <&hdmi_pll_reg>;
+
+                        nvidia,ddc-i2c-bus = <&hdmi_ddc>;
+                        nvidia,hpd-gpio = <&gpio 111 0>; /* PN7 */
+                };
+        };
+
         pinmux {
                 pinctrl-names = "default";
                 pinctrl-0 = <&state_default>;
@@ -292,7 +302,7 @@
                 pinctrl-1 = <&state_i2cmux_pta>;
                 pinctrl-2 = <&state_i2cmux_idle>;
 
-                i2c@0 {
+                hdmi_ddc: i2c@0 {
                         reg = <0>;
                         #address-cells = <1>;
                         #size-cells = <0>;
@@ -407,13 +417,13 @@
                                         regulator-max-microvolt = <2850000>;
                                 };
 
-                                ldo7 {
+                                hdmi_vdd_reg: ldo7 {
                                         regulator-name = "vdd_ldo7,avdd_hdmi";
                                         regulator-min-microvolt = <3300000>;
                                         regulator-max-microvolt = <3300000>;
                                 };
 
-                                ldo8 {
+                                hdmi_pll_reg: ldo8 {
                                         regulator-name = "vdd_ldo8,avdd_hdmi_pll";
                                         regulator-min-microvolt = <1800000>;
                                         regulator-max-microvolt = <1800000>;