diff mbox

[v3,02/10] arm: dts: mt2701: enable display pwm backlight

Message ID 0f9441e9fc40e47e94927a3a4c96dd3f7f287d94.1506908511.git.ryder.lee@mediatek.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ryder Lee Oct. 2, 2017, 1:54 a.m. UTC 
From: Weiqing Kong <weiqing.kong@mediatek.com>

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>
---
 arch/arm/boot/dts/mt2701-evb.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Matthias Brugger Oct. 19, 2017, 4:48 p.m. UTC | #1 
On 10/02/2017 03:54 AM, Ryder Lee wrote:
> From: Weiqing Kong <weiqing.kong@mediatek.com>
> 
> 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>
> ---
>  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>,
>
diff mbox

Patch

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>,