Messages in this thread Patch in this message | | | From | Alexandre Courbot <> | Subject | [PATCH] arm: tegra: add Ventana backlight device | Date | Fri, 29 Jun 2012 22:24:59 +0900 |
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Add the backlight device to the Ventana device tree.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> --- arch/arm/boot/dts/tegra20-ventana.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts index be90544..27616f7 100644 --- a/arch/arm/boot/dts/tegra20-ventana.dts +++ b/arch/arm/boot/dts/tegra20-ventana.dts @@ -317,6 +317,27 @@ bus-width = <8>; }; + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 2 5000000>; + + brightness-levels = <0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 255>; + default-brightness-level = <12>; + power-supply = <&backlight_reg>; + enable-gpios = <&gpio 28 0>; + }; + + backlight_reg: fixedregulator@176 { + compatible = "regulator-fixed"; + regulator-name = "backlight_regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio 176 0>; + startup-delay-us = <0>; + enable-active-high; + regulator-boot-off; + }; + sound { compatible = "nvidia,tegra-audio-wm8903-ventana", "nvidia,tegra-audio-wm8903"; -- 1.7.11.1
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