diff options
Diffstat (limited to 'arm-tegra-paz00-panel-dts.patch')
| -rw-r--r-- | arm-tegra-paz00-panel-dts.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arm-tegra-paz00-panel-dts.patch b/arm-tegra-paz00-panel-dts.patch new file mode 100644 index 000000000..e64f2ce1e --- /dev/null +++ b/arm-tegra-paz00-panel-dts.patch @@ -0,0 +1,99 @@ +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 |