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