From fb4a8356eb67514b10618d1e9e4059ced14c05f2 Mon Sep 17 00:00:00 2001
From: Marc Dietrich <marvin24@gmx.de>
Date: Sat, 21 Dec 2013 21:38:13 +0100
Subject: [PATCH] ARM: tegra: paz00: Add LVDS support to device tree
Add backlight and panel nodes for the PAZ00 TFT LCD panel.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
---
arch/arm/boot/dts/tegra20-paz00.dts | 46 ++++++++++++++++++++++++++++++++++-
1 files changed, 45 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index c7cd8e6..9a39a80 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -17,6 +17,14 @@
};
host1x@50000000 {
+ dc@54200000 {
+ rgb {
+ status = "okay";
+
+ nvidia,panel = <&panel>;
+ };
+ };
+
hdmi@54280000 {
status = "okay";
@@ -257,7 +265,11 @@
status = "okay";
};
- i2c@7000c000 {
+ pwm: pwm@7000a000 {
+ status = "okay";
+ };
+
+ lvds_ddc: i2c@7000c000 {
status = "okay";
clock-frequency = <400000>;
@@ -475,6 +487,18 @@
non-removable;
};
+ backlight: backlight {
+ compatible = "pwm-backlight";
+
+ enable-gpios = <&gpio TEGRA_GPIO(U, 4) GPIO_ACTIVE_HIGH>;
+ pwms = <&pwm 0 5000000>;
+
+ brightness-levels = <0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 255>;
+ default-brightness-level = <10>;
+
+ backlight-boot-off;
+ };
+
clocks {
compatible = "simple-bus";
#address-cells = <1>;
@@ -509,6 +533,16 @@
};
};
+ panel: panel {
+ compatible = "samsung,ltn101nt05", "simple-panel";
+
+ ddc-i2c-bus = <&lvds_ddc>;
+ power-supply = <&vdd_pnl_reg>;
+ enable-gpios = <&gpio TEGRA_GPIO(M, 6) GPIO_ACTIVE_HIGH>;
+
+ backlight = <&backlight>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -522,6 +556,16 @@
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
+
+ vdd_pnl_reg: regulator@1 {
+ compatible = "regulator-fixed";
+ reg = <1>;
+ regulator-name = "+3VS,vdd_pnl";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio TEGRA_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
};
sound {
--
1.7.1