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| author | Weiqing Kong <weiqing.kong@mediatek.com> | 2017-09-26 10:02:53 +0800 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2017-10-19 18:33:58 +0200 |
| commit | 4a8b03466cdadf8af4322f5d86ad64ee2fc1f7d1 (patch) | |
| tree | d43e58efa8703844599051462781d55a81e36bee /arch/arm/boot/dts/mt2701-evb.dts | |
| parent | 84f587ab59daab99330c4a4b3cc6e7ebd05ee095 (diff) | |
| download | lwn-4a8b03466cdadf8af4322f5d86ad64ee2fc1f7d1.tar.gz lwn-4a8b03466cdadf8af4322f5d86ad64ee2fc1f7d1.zip | |
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>
Diffstat (limited to 'arch/arm/boot/dts/mt2701-evb.dts')
| -rw-r--r-- | arch/arm/boot/dts/mt2701-evb.dts | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts index f48497354221..63af4b13a36f 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>, |