diff mbox series

[v1,5/5] riscv: dts: starfive: Add JH7110 PWM-DAC support

Message ID 20230626110909.38718-6-hal.feng@starfivetech.com (mailing list archive)
State New, archived
Headers show
Series Add PWM-DAC audio support for StarFive JH7110 RISC-V SoC | expand

Commit Message

Hal Feng June 26, 2023, 11:09 a.m. UTC 
Add PWM-DAC support for StarFive JH7110 SoC.

Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
---
 .../jh7110-starfive-visionfive-2.dtsi         | 50 +++++++++++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 13 +++++
 2 files changed, 63 insertions(+)

Comments

Walker Chen June 26, 2023, 12:11 p.m. UTC | #1 
On 2023/6/26 19:09, Hal Feng wrote:
> Add PWM-DAC support for StarFive JH7110 SoC.
> 
> Signed-off-by: Hal Feng <hal.feng@starfivetech.com>

Reviewed-by: Walker Chen <walker.chen@starfivetech.com>

> ---
>  .../jh7110-starfive-visionfive-2.dtsi         | 50 +++++++++++++++++++
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 13 +++++
>  2 files changed, 63 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index 19b5954ee72d..5ca66a65e722 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -36,6 +36,34 @@ gpio-restart {
>  		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
>  		priority = <224>;
>  	};
> +
> +	pwmdac_dit: pwmdac-dit {
> +		compatible = "starfive,jh7110-pwmdac-dit";
> +		#sound-dai-cells = <0>;
> +	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "StarFive-PWMDAC-Sound-Card";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		simple-audio-card,dai-link@0 {
> +			reg = <0>;
> +			format = "left_j";
> +			bitclock-master = <&sndcpu0>;
> +			frame-master = <&sndcpu0>;
> +			status = "okay";
> +
> +			sndcpu0: cpu {
> +				sound-dai = <&pwmdac>;
> +			};
> +
> +			codec {
> +				sound-dai = <&pwmdac_dit>;
> +			};
> +		};
> +	};
>  };
>  
>  &dvp_clk {
> @@ -191,6 +219,22 @@ GPOEN_SYS_I2C6_DATA,
>  		};
>  	};
>  
> +	pwmdac_pins: pwmdac-0 {
> +		pwmdac-pins {
> +			pinmux = <GPIOMUX(33, GPOUT_SYS_PWMDAC_LEFT,
> +					      GPOEN_ENABLE,
> +					      GPI_NONE)>,
> +				 <GPIOMUX(34, GPOUT_SYS_PWMDAC_RIGHT,
> +					      GPOEN_ENABLE,
> +					      GPI_NONE)>;
> +			bias-disable;
> +			drive-strength = <2>;
> +			input-disable;
> +			input-schmitt-disable;
> +			slew-rate = <0>;
> +		};
> +	};
> +
>  	uart0_pins: uart0-0 {
>  		tx-pins {
>  			pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX,
> @@ -250,6 +294,12 @@ GPOEN_DISABLE,
>  	};
>  };
>  
> +&pwmdac {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pwmdac_pins>;
> +	status = "okay";
> +};
> +
>  &uart0 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&uart0_pins>;
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index cfda6fb0d91b..bbb3f65e6f80 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -387,6 +387,19 @@ tdm: tdm@10090000 {
>  			status = "disabled";
>  		};
>  
> +		pwmdac: pwmdac@100b0000 {
> +			compatible = "starfive,jh7110-pwmdac";
> +			reg = <0x0 0x100b0000 0x0 0x1000>;
> +			clocks = <&syscrg JH7110_SYSCLK_PWMDAC_APB>,
> +				 <&syscrg JH7110_SYSCLK_PWMDAC_CORE>;
> +			clock-names = "apb", "core";
> +			resets = <&syscrg JH7110_SYSRST_PWMDAC_APB>;
> +			dmas = <&dma 22>;
> +			dma-names = "tx";
> +			#sound-dai-cells = <0>;
> +			status = "disabled";
> +		};
> +
>  		stgcrg: clock-controller@10230000 {
>  			compatible = "starfive,jh7110-stgcrg";
>  			reg = <0x0 0x10230000 0x0 0x10000>;
Krzysztof Kozlowski June 26, 2023, 3:37 p.m. UTC | #2 
On 26/06/2023 13:09, Hal Feng wrote:
> Add PWM-DAC support for StarFive JH7110 SoC.
> 
> Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
> ---
>  .../jh7110-starfive-visionfive-2.dtsi         | 50 +++++++++++++++++++
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 13 +++++
>  2 files changed, 63 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index 19b5954ee72d..5ca66a65e722 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -36,6 +36,34 @@ gpio-restart {
>  		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
>  		priority = <224>;
>  	};
> +
> +	pwmdac_dit: pwmdac-dit {
> +		compatible = "starfive,jh7110-pwmdac-dit";
> +		#sound-dai-cells = <0>;
> +	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "StarFive-PWMDAC-Sound-Card";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		simple-audio-card,dai-link@0 {
> +			reg = <0>;
> +			format = "left_j";
> +			bitclock-master = <&sndcpu0>;
> +			frame-master = <&sndcpu0>;
> +			status = "okay";

Drop

> +
> +			sndcpu0: cpu {
> +				sound-dai = <&pwmdac>;
> +			};
> +
> +			codec {
> +				sound-dai = <&pwmdac_dit>;

You said it is a transmitter, not a codec...


Best regards,
Krzysztof
Hal Feng June 30, 2023, 2:12 a.m. UTC | #3 
On Mon, 26 Jun 2023 17:37:35 +0200, Krzysztof Kozlowski wrote:
> On 26/06/2023 13:09, Hal Feng wrote:
>> Add PWM-DAC support for StarFive JH7110 SoC.
>> 
>> Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
>> ---
>>  .../jh7110-starfive-visionfive-2.dtsi         | 50 +++++++++++++++++++
>>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 13 +++++
>>  2 files changed, 63 insertions(+)
>> 
>> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> index 19b5954ee72d..5ca66a65e722 100644
>> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> @@ -36,6 +36,34 @@ gpio-restart {
>>  		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
>>  		priority = <224>;
>>  	};
>> +
>> +	pwmdac_dit: pwmdac-dit {
>> +		compatible = "starfive,jh7110-pwmdac-dit";
>> +		#sound-dai-cells = <0>;
>> +	};
>> +
>> +	sound {
>> +		compatible = "simple-audio-card";
>> +		simple-audio-card,name = "StarFive-PWMDAC-Sound-Card";
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>> +
>> +		simple-audio-card,dai-link@0 {
>> +			reg = <0>;
>> +			format = "left_j";
>> +			bitclock-master = <&sndcpu0>;
>> +			frame-master = <&sndcpu0>;
>> +			status = "okay";
> 
> Drop

OK.

> 
>> +
>> +			sndcpu0: cpu {
>> +				sound-dai = <&pwmdac>;
>> +			};
>> +
>> +			codec {
>> +				sound-dai = <&pwmdac_dit>;
> 
> You said it is a transmitter, not a codec...

It is a dummy codec, also known as a dummy transmitter.

Best regards,
Hal
diff mbox series

Patch

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 19b5954ee72d..5ca66a65e722 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -36,6 +36,34 @@  gpio-restart {
 		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
 		priority = <224>;
 	};
+
+	pwmdac_dit: pwmdac-dit {
+		compatible = "starfive,jh7110-pwmdac-dit";
+		#sound-dai-cells = <0>;
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "StarFive-PWMDAC-Sound-Card";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		simple-audio-card,dai-link@0 {
+			reg = <0>;
+			format = "left_j";
+			bitclock-master = <&sndcpu0>;
+			frame-master = <&sndcpu0>;
+			status = "okay";
+
+			sndcpu0: cpu {
+				sound-dai = <&pwmdac>;
+			};
+
+			codec {
+				sound-dai = <&pwmdac_dit>;
+			};
+		};
+	};
 };
 
 &dvp_clk {
@@ -191,6 +219,22 @@  GPOEN_SYS_I2C6_DATA,
 		};
 	};
 
+	pwmdac_pins: pwmdac-0 {
+		pwmdac-pins {
+			pinmux = <GPIOMUX(33, GPOUT_SYS_PWMDAC_LEFT,
+					      GPOEN_ENABLE,
+					      GPI_NONE)>,
+				 <GPIOMUX(34, GPOUT_SYS_PWMDAC_RIGHT,
+					      GPOEN_ENABLE,
+					      GPI_NONE)>;
+			bias-disable;
+			drive-strength = <2>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+	};
+
 	uart0_pins: uart0-0 {
 		tx-pins {
 			pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX,
@@ -250,6 +294,12 @@  GPOEN_DISABLE,
 	};
 };
 
+&pwmdac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwmdac_pins>;
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins>;
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index cfda6fb0d91b..bbb3f65e6f80 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -387,6 +387,19 @@  tdm: tdm@10090000 {
 			status = "disabled";
 		};
 
+		pwmdac: pwmdac@100b0000 {
+			compatible = "starfive,jh7110-pwmdac";
+			reg = <0x0 0x100b0000 0x0 0x1000>;
+			clocks = <&syscrg JH7110_SYSCLK_PWMDAC_APB>,
+				 <&syscrg JH7110_SYSCLK_PWMDAC_CORE>;
+			clock-names = "apb", "core";
+			resets = <&syscrg JH7110_SYSRST_PWMDAC_APB>;
+			dmas = <&dma 22>;
+			dma-names = "tx";
+			#sound-dai-cells = <0>;
+			status = "disabled";
+		};
+
 		stgcrg: clock-controller@10230000 {
 			compatible = "starfive,jh7110-stgcrg";
 			reg = <0x0 0x10230000 0x0 0x10000>;