ARM: tegra: Enable LVDS on Cardhu

Add backlight and panel nodes for the Cardhu 10.1" WXGA TFT LCD panel.

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

1 files changed, 36 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index dfcc18adcfd7..9104224124ee 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -56,6 +56,16 @@
                 };
         };
 
+        host1x@50000000 {
+                dc@54200000 {
+                        rgb {
+                                status = "okay";
+
+                                nvidia,panel = <&panel>;
+                        };
+                };
+        };
+
         pinmux@70000868 {
                 pinctrl-names = "default";
                 pinctrl-0 = <&state_default>;
@@ -152,7 +162,11 @@
                 status = "okay";
         };
 
-        i2c@7000c000 {
+        pwm@7000a000 {
+                status = "okay";
+        };
+
+        panelddc: i2c@7000c000 {
                 status = "okay";
                 clock-frequency = <100000>;
         };
@@ -372,6 +386,17 @@
                 status = "okay";
         };
 
+        backlight: backlight {
+                compatible = "pwm-backlight";
+
+                enable-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
+                power-supply = <&vdd_bl_reg>;
+                pwms = <&pwm 0 5000000>;
+
+                brightness-levels = <0 4 8 16 32 64 128 255>;
+                default-brightness-level = <6>;
+        };
+
         clocks {
                 compatible = "simple-bus";
                 #address-cells = <1>;
@@ -385,6 +410,16 @@
                 };
         };
 
+        panel: panel {
+                compatible = "chunghwa,claa101wb01", "simple-panel";
+                ddc-i2c-bus = <&panelddc>;
+
+                power-supply = <&vdd_pnl1_reg>;
+                enable-gpios = <&gpio TEGRA_GPIO(L, 2) GPIO_ACTIVE_HIGH>;
+
+                backlight = <&backlight>;
+        };
+
         regulators {
                 compatible = "simple-bus";
                 #address-cells = <1>;