From: Stephen Warren <swarren@xxxxxxxxxx>
Ventana uses a CLAA101WA01A LCD panel. Enable the relevant display
controller, backlight, and regulators.
Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx>
Reviewed-by: Thierry Reding <treding@xxxxxxxxxx>
---
v2:
* s/chungwa/chunghwa/
* Use the correct PWM instance
---
arch/arm/boot/dts/tegra20-ventana.dts | 39 ++++++++++++++++++++++++++++++++---
1 file changed, 36 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index 571d12e6ac2d..ca8484cccddc 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -17,6 +17,14 @@
};
host1x@50000000 {
+ dc@54200000 {
+ rgb {
+ status = "okay";
+
+ nvidia,panel = <&panel>;
+ };
+ };
+
hdmi@54280000 {
status = "okay";
@@ -309,6 +317,10 @@
status = "okay";
};
+ pwm: pwm@7000a000 {
+ status = "okay";
+ };
+
i2c@7000c000 {
status = "okay";
clock-frequency = <400000>;
@@ -359,7 +371,7 @@
#size-cells = <0>;
};
- i2c@1 {
+ lvds_ddc: i2c@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
@@ -557,6 +569,17 @@
non-removable;
};
+ backlight: backlight {
+ compatible = "pwm-backlight";
+
+ enable-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
+ power-supply = <&vdd_bl_reg>;
+ pwms = <&pwm 2 5000000>;
+
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+
clocks {
compatible = "simple-bus";
#address-cells = <1>;
@@ -581,6 +604,16 @@
};
};
+ panel: panel {
+ compatible = "chunghwa,claa101wa01a", "simple-panel";
+
+ power-supply = <&vdd_pnl_reg>;
+ enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
+
+ backlight = <&backlight>;
+ ddc-i2c-bus = <&lvds_ddc>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -614,7 +647,7 @@
enable-active-high;
};
- regulator@3 {
+ vdd_pnl_reg: regulator@3 {
compatible = "regulator-fixed";
reg = <3>;
regulator-name = "vdd_pnl";
@@ -624,7 +657,7 @@
enable-active-high;
};
- regulator@4 {
+ vdd_bl_reg: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "vdd_bl";
--
1.8.1.5
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