[PATCH 2/3] arm: dts: mt2701: Add display bls related nodes for MT2701
From: matthias.bgg@gmail.com (Matthias Brugger)
Date: 2017-06-09 08:13:02
Also in:
linux-devicetree, linux-mediatek, lkml
On 01/06/17 08:08, Erin Lo wrote:
From: YT Shen <redacted>
I miss the Singed-off-by from YT Shen.
quoted hunk ↗ jump to hunk
This patch adds the device node of display backlight for MT2701 Signed-off-by: Weiqing Kong <redacted> Signed-off-by: Erin Lo <redacted> --- arch/arm/boot/dts/mt2701-evb.dts | 29 +++++++++++++++++++++++++++++ arch/arm/boot/dts/mt2701.dtsi | 9 +++++++++ 2 files changed, 38 insertions(+)diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts index a483798..e49c2b7 100644 --- a/arch/arm/boot/dts/mt2701-evb.dts +++ b/arch/arm/boot/dts/mt2701-evb.dts@@ -22,6 +22,35 @@ 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>; + }; +}; + +&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>; + }; + }; }; &auxadc {diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi index de88bd7..4f110d5 100644 --- a/arch/arm/boot/dts/mt2701.dtsi +++ b/arch/arm/boot/dts/mt2701.dtsi@@ -366,6 +366,15 @@ #clock-cells = <1>; }; + bls: bls at 1400a000 { + compatible = "mediatek,mt2701-disp-pwm"; + reg = <0 0x1400a000 0 0x1000>; + #pwm-cells = <2>; + clocks = <&mmsys CLK_MM_MDP_BLS_26M>, <&mmsys CLK_MM_DISP_BLS>; + clock-names = "main", "mm"; + status = "disabled"; + }; +
Can you make this a new patch please. It's preferred to have one patch for the dtsi and another one for the actual board. Thanks, Matthias
larb0: larb at 14010000 {
compatible = "mediatek,mt2701-smi-larb";
reg = <0 0x14010000 0 0x1000>;