[PATCH v6 3/4] riscv: dts: starfive: jh7110: Add PWM node and pins configuration

Emil Renner Berthing emil.renner.berthing at canonical.com
Wed Oct 25 06:45:39 PDT 2023


William Qiu wrote:
> Add OpenCores PWM controller node and add PWM pins configuration
> on VisionFive 2 board.
>
> Signed-off-by: William Qiu <william.qiu at starfivetech.com>
> Reviewed-by: Hal Feng <hal.feng at starfivetech.com>
> ---
>  .../jh7110-starfive-visionfive-2.dtsi         | 22 +++++++++++++++++++
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      |  9 ++++++++
>  2 files changed, 31 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 12ebe9792356..63d16a6a4e12 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -268,6 +268,12 @@ reserved-data at 600000 {
>  	};
>  };
>
> +&pwm {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pwm_pins>;
> +	status = "okay";
> +};
> +

Hi William,

I just noticed this node reference is out of order. The references should be
sorted alphabetically.

/Emil

>  &spi0 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&spi0_pins>;
> @@ -402,6 +408,22 @@ GPOEN_SYS_SDIO1_DATA3,
>  		};
>  	};
>
> +	pwm_pins: pwm-0 {
> +		pwm-pins {
> +			pinmux = <GPIOMUX(46, GPOUT_SYS_PWM_CHANNEL0,
> +					      GPOEN_SYS_PWM0_CHANNEL0,
> +					      GPI_NONE)>,
> +				 <GPIOMUX(59, GPOUT_SYS_PWM_CHANNEL1,
> +					      GPOEN_SYS_PWM0_CHANNEL1,
> +					      GPI_NONE)>;
> +			bias-disable;
> +			drive-strength = <12>;
> +			input-disable;
> +			input-schmitt-disable;
> +			slew-rate = <0>;
> +		};
> +	};
> +
>  	spi0_pins: spi0-0 {
>  		mosi-pins {
>  			pinmux = <GPIOMUX(52, GPOUT_SYS_SPI0_TXD,
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index e85464c328d0..4024165d4538 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -736,6 +736,15 @@ spi6: spi at 120a0000 {
>  			status = "disabled";
>  		};
>
> +		pwm: pwm at 120d0000 {
> +			compatible = "starfive,jh71x0-pwm";
> +			reg = <0x0 0x120d0000 0x0 0x10000>;
> +			clocks = <&syscrg JH7110_SYSCLK_PWM_APB>;
> +			resets = <&syscrg JH7110_SYSRST_PWM_APB>;
> +			#pwm-cells = <3>;
> +			status = "disabled";
> +		};
> +
>  		sfctemp: temperature-sensor at 120e0000 {
>  			compatible = "starfive,jh7110-temp";
>  			reg = <0x0 0x120e0000 0x0 0x10000>;
> --
> 2.34.1
>



More information about the linux-riscv mailing list