On Fri, 25 Aug 2023 at 10:16, William Qiu <william.qiu@xxxxxxxxxxxxxxxx> wrote:
> Add StarFive JH7100 PWM controller node and add PWM pins configuration
> on VisionFive 2 board.
Hi William,
This is the VisionFive V1 board right?
/Emil
> Signed-off-by: William Qiu <william.qiu@xxxxxxxxxxxxxxxx>
> ---
> .../boot/dts/starfive/jh7100-common.dtsi | 24 +++++++++++++++++++
> arch/riscv/boot/dts/starfive/jh7100.dtsi | 9 +++++++
> 2 files changed, 33 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
> index b93ce351a90f..746867b882b0 100644
> --- a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
> @@ -84,6 +84,24 @@ GPO_I2C2_PAD_SDA_OEN,
> };
> };
>
> + pwm_pins: pwm-0 {
> + pwm-pins {
> + pinmux = <GPIOMUX(7,
> + GPO_PWM_PAD_OUT_BIT0,
> + GPO_PWM_PAD_OE_N_BIT0,
> + GPI_NONE)>,
> + <GPIOMUX(5,
> + GPO_PWM_PAD_OUT_BIT1,
> + GPO_PWM_PAD_OE_N_BIT1,
> + GPI_NONE)>;
> + bias-disable;
> + drive-strength = <35>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> + };
> +
> uart3_pins: uart3-0 {
> rx-pins {
> pinmux = <GPIOMUX(13, GPO_LOW, GPO_DISABLE,
> @@ -154,6 +172,12 @@ &osc_aud {
> clock-frequency = <27000000>;
> };
>
> +&ptc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm_pins>;
> + status = "okay";
> +};
> +
> &uart3 {
> pinctrl-names = "default";
> pinctrl-0 = <&uart3_pins>;
> diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
> index 4218621ea3b9..7f5bb19e636e 100644
> --- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
> @@ -248,5 +248,14 @@ watchdog@12480000 {
> resets = <&rstgen JH7100_RSTN_WDTIMER_APB>,
> <&rstgen JH7100_RSTN_WDT>;
> };
> +
> + ptc: pwm@12490000 {
> + compatible = "starfive,jh7100-pwm";
> + reg = <0x0 0x12490000 0x0 0x10000>;
> + clocks = <&clkgen JH7100_CLK_PWM_APB>;
> + resets = <&rstgen JH7100_RSTN_PWM_APB>;
> + #pwm-cells = <3>;
> + status = "disabled";
> + };
> };
> };
> --
> 2.34.1
>
>
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