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arm: dts: mt2701: enable display pwm backlight 

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>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Weiqing Kong 2017-09-26 10:02:53 +08:00 committed by Matthias Brugger
parent 84f587ab59
commit 4a8b03466c
1 changed files with 23 additions and 0 deletions
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23
arch/arm/boot/dts/mt2701-evb.dts
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@ -56,12 +56,29 @@ sound:sound {
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 @@ pins1 {
};
};
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>,