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    Subject[PATCH] arm: tegra: add Ventana backlight device
    Date
    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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