Re: [PATCH v5 3/3] riscv: dts: starfive: add the node and pins configuration for tdm

From: Hal Feng
Date: Wed May 31 2023 - 02:24:04 EST


On Fri, 26 May 2023 22:54:02 +0800, Walker Chen wrote:
> Add the tdm controller node and pins configuration of tdm for the
> StarFive JH7110 SoC.
>
> Signed-off-by: Walker Chen <walker.chen@xxxxxxxxxxxxxxxx>
> ---
> .../jh7110-starfive-visionfive-2.dtsi | 40 +++++++++++++++++++
> arch/riscv/boot/dts/starfive/jh7110.dtsi | 21 ++++++++++
> 2 files changed, 61 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 1155b97b593d..19b5954ee72d 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -214,6 +214,40 @@
> slew-rate = <0>;
> };
> };
> +
> + tdm0_pins: tdm0-pins {
> + tdm0-pins-tx {

Use consistent naming, so

tdm_pins: tdm-0 {
tx-pins {

> + pinmux = <GPIOMUX(44, GPOUT_SYS_TDM_TXD,
> + GPOEN_ENABLE,
> + GPI_NONE)>;
> + bias-pull-up;
> + drive-strength = <2>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + tdm0-pins-rx {

rx-pins {

> + pinmux = <GPIOMUX(61, GPOUT_HIGH,
> + GPOEN_DISABLE,
> + GPI_SYS_TDM_RXD)>;
> + input-enable;
> + };
> +
> + tdm0-pins-sync {

sync-pins {

> + pinmux = <GPIOMUX(63, GPOUT_HIGH,
> + GPOEN_DISABLE,
> + GPI_SYS_TDM_SYNC)>;
> + input-enable;
> + };
> +
> + tdm0-pins-pcmclk {

pcmclk-pins {

> + pinmux = <GPIOMUX(38, GPOUT_HIGH,
> + GPOEN_DISABLE,
> + GPI_SYS_TDM_CLK)>;
> + input-enable;
> + };
> + };
> };
>
> &uart0 {
> @@ -221,3 +255,9 @@
> pinctrl-0 = <&uart0_pins>;
> status = "okay";
> };
> +
> +&tdm {
> + pinctrl-names = "default";
> + pinctrl-0 = <&tdm0_pins>;

pinctrl-0 = <&tdm_pins>;

Best regards,
Hal

> + status = "okay";
> +};