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>

diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 95df80e7cda7d33f9f6762ee53565dc7dc70ecd8..a239ccdfaa526ac06b0b249212b0b8a5e23c802e 100644 (file)
--- 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>;