diff mbox series

arm64: dts: mt8183: Add pwm and backlight node

Message ID 20201124041253.4181273-1-hsinyi@chromium.org (mailing list archive)
State New, archived
Headers show
Series arm64: dts: mt8183: Add pwm and backlight node | expand

Commit Message

Hsin-Yi Wang Nov. 24, 2020, 4:12 a.m. UTC 
Add pwm to mt8183 and backlight to mt8183-kukui.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
---
 .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 28 +++++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt8183.dtsi      | 10 +++++++
 2 files changed, 38 insertions(+)

Comments

Enric Balletbo i Serra Nov. 25, 2020, 10:24 a.m. UTC | #1 
Hi Hsin-Yi,

Thank you for your patch.

On 24/11/20 5:12, Hsin-Yi Wang wrote:
> Add pwm to mt8183 and backlight to mt8183-kukui.
> 
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> ---

Picked the patch and checked that pwm for the backlight is working as expected
on my Lenovo Ideapad Duet.

Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

>  .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 28 +++++++++++++++++++
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi      | 10 +++++++
>  2 files changed, 38 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> index 85f7c33ba4461..bf2ad1294dd30 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> @@ -19,6 +19,17 @@ chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
>  
> +	backlight_lcd0: backlight_lcd0 {
> +		compatible = "pwm-backlight";
> +		pwms = <&pwm0 0 500000>;
> +		power-supply = <&bl_pp5000>;
> +		enable-gpios = <&pio 176 0>;
> +		brightness-levels = <0 1023>;
> +		num-interpolated-steps = <1023>;
> +		default-brightness-level = <576>;
> +		status = "okay";
> +	};
> +
>  	memory@40000000 {
>  		device_type = "memory";
>  		reg = <0 0x40000000 0 0x80000000>;
> @@ -536,6 +547,17 @@ pins_clk {
>  		};
>  	};
>  
> +	pwm0_pin_default: pwm0_pin_default {
> +		pins1 {
> +			pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;
> +			output-high;
> +			bias-pull-up;
> +		};
> +		pins2 {
> +			pinmux = <PINMUX_GPIO43__FUNC_DISP_PWM>;
> +		};
> +	};
> +
>  	scp_pins: scp {
>  		pins_scp_uart {
>  			pinmux = <PINMUX_GPIO110__FUNC_TP_URXD1_AO>,
> @@ -670,6 +692,12 @@ pins_wifi_wakeup {
>  	};
>  };
>  
> +&pwm0 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pwm0_pin_default>;
> +};
> +
>  &scp {
>  	status = "okay";
>  	pinctrl-names = "default";
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index 08a914d3a6435..a974bad899365 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -479,6 +479,16 @@ spi0: spi@1100a000 {
>  			status = "disabled";
>  		};
>  
> +		pwm0: pwm@1100e000 {
> +			compatible = "mediatek,mt8183-disp-pwm";
> +			reg = <0 0x1100e000 0 0x1000>;
> +			interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_LOW>;
> +			#pwm-cells = <2>;
> +			clocks = <&topckgen CLK_TOP_MUX_DISP_PWM>,
> +					<&infracfg CLK_INFRA_DISP_PWM>;
> +			clock-names = "main", "mm";
> +		};
> +
>  		i2c3: i2c@1100f000 {
>  			compatible = "mediatek,mt8183-i2c";
>  			reg = <0 0x1100f000 0 0x1000>,
>
Matthias Brugger Nov. 27, 2020, 11:20 a.m. UTC | #2 
On 25/11/2020 11:24, Enric Balletbo i Serra wrote:
> Hi Hsin-Yi,
> 
> Thank you for your patch.
> 
> On 24/11/20 5:12, Hsin-Yi Wang wrote:
>> Add pwm to mt8183 and backlight to mt8183-kukui.
>>
>> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
>> ---
> 
> Picked the patch and checked that pwm for the backlight is working as expected
> on my Lenovo Ideapad Duet.
> 
> Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> 

Applied to v5.10-next/dts64

Thanks!

>>   .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 28 +++++++++++++++++++
>>   arch/arm64/boot/dts/mediatek/mt8183.dtsi      | 10 +++++++
>>   2 files changed, 38 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
>> index 85f7c33ba4461..bf2ad1294dd30 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
>> @@ -19,6 +19,17 @@ chosen {
>>   		stdout-path = "serial0:115200n8";
>>   	};
>>   
>> +	backlight_lcd0: backlight_lcd0 {
>> +		compatible = "pwm-backlight";
>> +		pwms = <&pwm0 0 500000>;
>> +		power-supply = <&bl_pp5000>;
>> +		enable-gpios = <&pio 176 0>;
>> +		brightness-levels = <0 1023>;
>> +		num-interpolated-steps = <1023>;
>> +		default-brightness-level = <576>;
>> +		status = "okay";
>> +	};
>> +
>>   	memory@40000000 {
>>   		device_type = "memory";
>>   		reg = <0 0x40000000 0 0x80000000>;
>> @@ -536,6 +547,17 @@ pins_clk {
>>   		};
>>   	};
>>   
>> +	pwm0_pin_default: pwm0_pin_default {
>> +		pins1 {
>> +			pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;
>> +			output-high;
>> +			bias-pull-up;
>> +		};
>> +		pins2 {
>> +			pinmux = <PINMUX_GPIO43__FUNC_DISP_PWM>;
>> +		};
>> +	};
>> +
>>   	scp_pins: scp {
>>   		pins_scp_uart {
>>   			pinmux = <PINMUX_GPIO110__FUNC_TP_URXD1_AO>,
>> @@ -670,6 +692,12 @@ pins_wifi_wakeup {
>>   	};
>>   };
>>   
>> +&pwm0 {
>> +	status = "okay";
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pwm0_pin_default>;
>> +};
>> +
>>   &scp {
>>   	status = "okay";
>>   	pinctrl-names = "default";
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
>> index 08a914d3a6435..a974bad899365 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
>> @@ -479,6 +479,16 @@ spi0: spi@1100a000 {
>>   			status = "disabled";
>>   		};
>>   
>> +		pwm0: pwm@1100e000 {
>> +			compatible = "mediatek,mt8183-disp-pwm";
>> +			reg = <0 0x1100e000 0 0x1000>;
>> +			interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_LOW>;
>> +			#pwm-cells = <2>;
>> +			clocks = <&topckgen CLK_TOP_MUX_DISP_PWM>,
>> +					<&infracfg CLK_INFRA_DISP_PWM>;
>> +			clock-names = "main", "mm";
>> +		};
>> +
>>   		i2c3: i2c@1100f000 {
>>   			compatible = "mediatek,mt8183-i2c";
>>   			reg = <0 0x1100f000 0 0x1000>,
>>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 85f7c33ba4461..bf2ad1294dd30 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -19,6 +19,17 @@  chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	backlight_lcd0: backlight_lcd0 {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 0 500000>;
+		power-supply = <&bl_pp5000>;
+		enable-gpios = <&pio 176 0>;
+		brightness-levels = <0 1023>;
+		num-interpolated-steps = <1023>;
+		default-brightness-level = <576>;
+		status = "okay";
+	};
+
 	memory@40000000 {
 		device_type = "memory";
 		reg = <0 0x40000000 0 0x80000000>;
@@ -536,6 +547,17 @@  pins_clk {
 		};
 	};
 
+	pwm0_pin_default: pwm0_pin_default {
+		pins1 {
+			pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;
+			output-high;
+			bias-pull-up;
+		};
+		pins2 {
+			pinmux = <PINMUX_GPIO43__FUNC_DISP_PWM>;
+		};
+	};
+
 	scp_pins: scp {
 		pins_scp_uart {
 			pinmux = <PINMUX_GPIO110__FUNC_TP_URXD1_AO>,
@@ -670,6 +692,12 @@  pins_wifi_wakeup {
 	};
 };
 
+&pwm0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pin_default>;
+};
+
 &scp {
 	status = "okay";
 	pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 08a914d3a6435..a974bad899365 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -479,6 +479,16 @@  spi0: spi@1100a000 {
 			status = "disabled";
 		};
 
+		pwm0: pwm@1100e000 {
+			compatible = "mediatek,mt8183-disp-pwm";
+			reg = <0 0x1100e000 0 0x1000>;
+			interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_LOW>;
+			#pwm-cells = <2>;
+			clocks = <&topckgen CLK_TOP_MUX_DISP_PWM>,
+					<&infracfg CLK_INFRA_DISP_PWM>;
+			clock-names = "main", "mm";
+		};
+
 		i2c3: i2c@1100f000 {
 			compatible = "mediatek,mt8183-i2c";
 			reg = <0 0x1100f000 0 0x1000>,