ARM: tegra: whistler: enable HDMI port

Enable host1x, and the HDMI output. Whistler also has a DSI-based LCD,
and a VGA output. tegradrm doesn't support either of those output types
yet.

Based on work by Thierry Reding for TrimSlice.

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

1 files changed, 19 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts
index 94a71c91beb5..20d576ecd555 100644
--- a/arch/arm/boot/dts/tegra20-whistler.dts
+++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -10,6 +10,18 @@
                 reg = <0x00000000 0x20000000>;
         };
 
+        host1x {
+                hdmi {
+                        status = "okay";
+
+                        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>;
@@ -246,6 +258,11 @@
                 clock-frequency = <216000000>;
         };
 
+        hdmi_ddc: i2c@7000c400 {
+                status = "okay";
+                clock-frequency = <100000>;
+        };
+
         i2c@7000d000 {
                 status = "okay";
                 clock-frequency = <100000>;
@@ -356,7 +373,7 @@
                                         regulator-always-on;
                                 };
 
-                                ldo6 {
+                                hdmi_pll_reg: ldo6 {
                                         regulator-name = "nvvdd_ldo6,avdd_hdmi_pll";
                                         regulator-min-microvolt = <1800000>;
                                         regulator-max-microvolt = <1800000>;
@@ -388,7 +405,7 @@
                                         regulator-always-on;
                                 };
 
-                                ldo11 {
+                                hdmi_vdd_reg: ldo11 {
                                         regulator-name = "nvvdd_ldo11,vddio_pex_clk,vcom_33,avdd_hdmi";
                                         regulator-min-microvolt = <3300000>;
                                         regulator-max-microvolt = <3300000>;