Re: [PATCH 2/3] arm: dts: mt2701: Add display bls related nodes for MT2701

[Matthias Brugger]

On 01/06/17 08:08, Erin Lo wrote:
> From: YT Shen <yt.shen@xxxxxxxxxxxx>

I miss the Singed-off-by from YT Shen.

> This patch adds the device node of display backlight for MT2701
>
> Signed-off-by: Weiqing Kong <weiqing.kong@xxxxxxxxxxxx>
> Signed-off-by: Erin Lo <erin.lo@xxxxxxxxxxxx>
> ---
>   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@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@14010000 {
>   		compatible = "mediatek,mt2701-smi-larb";
>   		reg = <0 0x14010000 0 0x1000>;