From fb4a8356eb67514b10618d1e9e4059ced14c05f2 Mon Sep 17 00:00:00 2001 From: Marc Dietrich 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 --- 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