[RFC 2/4] tegra: ventana: add display and backlight DT nodes

Alexandre Courbot
2013-01-30T03:02:52Z

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
arch/arm/boot/dts/tegra20-ventana.dts | 34 +++++++++++++++++++++++++++++++---
1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index adc4754..48f4e6d 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -10,6 +10,16 @@
reg = <0x00000000 0x40000000>;
};

+ host1x {
+ dc@54200000 {
+ rgb {
+ status = "okay";
+ nvidia,ddc-i2c-bus = <&lcd_ddc>;
+ nvidia,panel = <&panel>;
+ };
+ };
+ };
+
pinmux {
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
@@ -341,7 +351,7 @@
#size-cells = <0>;
};

- i2c@1 {
+ lcd_ddc: i2c@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
@@ -516,6 +526,24 @@
bus-width = <8>;
};

+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 2 5000000>;
+
+ brightness-levels = <0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 255>;
+ default-brightness-level = <10>;
+ };
+
+ panel: panel {
+ compatible = "chunghwa,claa101wa01a";
+
+ pnl-supply = <&vdd_pnl_reg>;
+ pnl-enable-gpios = <&gpio 10 0>;
+
+ bl-supply = <&vdd_bl_reg>;
+ bl-enable-gpios = <&gpio 28 0>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -549,7 +577,7 @@
enable-active-high;
};

- regulator@3 {
+ vdd_pnl_reg: regulator@3 {
compatible = "regulator-fixed";
reg = <3>;
regulator-name = "vdd_pnl";
@@ -559,7 +587,7 @@
enable-active-high;
};

- regulator@4 {
+ vdd_bl_reg: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "vdd_bl";
--
1.8.1.1