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 95df80e..a239ccd 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>;