linux-kernel - Re: [PATCH v3 02/10] arm: dts: mt2701: enable display pwm backlight

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Date:   Thu, 19 Oct 2017 18:48:59 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Ryder Lee <ryder.lee@...iatek.com>
Cc:     linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Erin Lo <erin.lo@...iatek.com>, YT Shen <yt.shen@...iatek.com>,
        Weiqing Kong <weiqing.kong@...iatek.com>
Subject: Re: [PATCH v3 02/10] arm: dts: mt2701: enable display pwm backlight



On 10/02/2017 03:54 AM, Ryder Lee wrote:
> From: Weiqing Kong <weiqing.kong@...iatek.com>
> 
> This patch adds board related config for MT2701 pwm backlight.
> 
> Signed-off-by: Weiqing Kong <weiqing.kong@...iatek.com>
> Signed-off-by: Erin Lo <erin.lo@...iatek.com>
> Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
> ---
>  arch/arm/boot/dts/mt2701-evb.dts | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)

Pushed to v4.14-next/dts32

Thanks!

> 
> diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts
> index f484973..63af4b1 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>,
>