Messages in this thread Patch in this message | | | From | Erin Lo <> | Subject | [PATCH v3 3/4] arm: dts: mt2701: Add display bls related nodes for MT2701 | Date | Mon, 26 Jun 2017 15:51:31 +0800 |
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From: Weiqing Kong <weiqing.kong@mediatek.com>
This patch adds board related config for backlight
Signed-off-by: Weiqing Kong <weiqing.kong@mediatek.com> Signed-off-by: Erin Lo <erin.lo@mediatek.com> --- arch/arm/boot/dts/mt2701-evb.dts | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)
diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts index a483798..3c1cf20 100644 --- a/arch/arm/boot/dts/mt2701-evb.dts +++ b/arch/arm/boot/dts/mt2701-evb.dts @@ -22,13 +22,40 @@ memory { reg = <0 0x80000000 0 0x40000000>; }; + + 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>; + pinctrl-names = "default"; + pinctrl-0 = <&pwm_bls_gpio>; + }; }; &auxadc { status = "okay"; }; +&bls { + status = "okay"; +}; + +&mmsys { + status = "okay"; +}; + &pio { + 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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