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    Subject[PATCH v3 02/10] arm: dts: mt2701: enable display pwm backlight
    Date
    From: Weiqing Kong <weiqing.kong@mediatek.com>

    This patch adds board related config for MT2701 pwm backlight.

    Signed-off-by: Weiqing Kong <weiqing.kong@mediatek.com>
    Signed-off-by: Erin Lo <erin.lo@mediatek.com>
    Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
    ---
    arch/arm/boot/dts/mt2701-evb.dts | 23 +++++++++++++++++++++++
    1 file changed, 23 insertions(+)

    diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts
    index f484973..63af4b1 100644
    --- a/arch/arm/boot/dts/mt2701-evb.dts
    +++ b/arch/arm/boot/dts/mt2701-evb.dts
    @@ -56,12 +56,29 @@
    bt_sco_codec:bt_sco_codec {
    compatible = "linux,bt-sco";
    };
    +
    + backlight_lcd: backlight_lcd {
    + compatible = "pwm-backlight";
    + pwms = <&bls 0 100000>;
    + brightness-levels = <
    + 0 16 32 48 64 80 96 112
    + 128 144 160 176 192 208 224 240
    + 255
    + >;
    + default-brightness-level = <9>;
    + };
    };

    &auxadc {
    status = "okay";
    };

    +&bls {
    + status = "okay";
    + pinctrl-names = "default";
    + pinctrl-0 = <&pwm_bls_gpio>;
    +};
    +
    &i2c0 {
    pinctrl-names = "default";
    pinctrl-0 = <&i2c0_pins_a>;
    @@ -111,6 +128,12 @@
    };
    };

    + pwm_bls_gpio: pwm_bls_gpio {
    + pins_cmd_dat {
    + pinmux = <MT2701_PIN_208_AUD_EXT_CK1__FUNC_DISP_PWM>;
    + };
    + };
    +
    spi_pins_a: spi0@0 {
    pins_spi {
    pinmux = <MT2701_PIN_53_SPI0_CSN__FUNC_SPI0_CS>,
    --
    1.9.1
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