From 1d4e06894824514a2854b252d49c63b81779aec7 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 19 Dec 2013 16:59:25 +0100 Subject: [PATCH] ARM: tegra: Enable LVDS on Harmony Add backlight and panel nodes for the Harmony TFT LCD panel. Signed-off-by: Thierry Reding Signed-off-by: Stephen Warren --- arch/arm/boot/dts/tegra20-harmony.dts | 36 +++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts index 6145f26a0ec5..3fb1f50f6d46 100644 --- a/arch/arm/boot/dts/tegra20-harmony.dts +++ b/arch/arm/boot/dts/tegra20-harmony.dts @@ -17,6 +17,14 @@ }; host1x@50000000 { + dc@54200000 { + rgb { + status = "okay"; + + nvidia,panel = <&panel>; + }; + }; + hdmi@54280000 { status = "okay"; @@ -261,6 +269,10 @@ status = "okay"; }; + pwm: pwm@7000a000 { + status = "okay"; + }; + i2c@7000c000 { status = "okay"; clock-frequency = <400000>; @@ -606,6 +618,17 @@ bus-width = <8>; }; + backlight: backlight { + compatible = "pwm-backlight"; + + enable-gpios = <&gpio TEGRA_GPIO(B, 5) 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>; @@ -630,6 +653,15 @@ }; }; + panel: panel { + compatible = "auo,b101aw03", "simple-panel"; + + power-supply = <&vdd_pnl_reg>; + enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>; + + backlight = <&backlight>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; @@ -673,7 +705,7 @@ enable-active-high; }; - regulator@4 { + vdd_pnl_reg: regulator@4 { compatible = "regulator-fixed"; reg = <4>; regulator-name = "vdd_pnl"; @@ -683,7 +715,7 @@ enable-active-high; }; - regulator@5 { + vdd_bl_reg: regulator@5 { compatible = "regulator-fixed"; reg = <5>; regulator-name = "vdd_bl"; -- 2.34.1