Re: [PATCH v5 5/6] riscv: dts: spacemit: Add K3 I2C6 pinctrl state

From: Yixun Lan

Date: Tue Sep 15 2026 - 05:54:36 EST


Hi Troy,

On 16:18 Mon 14 Sep , Troy Mitchell wrote:
> Add the K3 I2C6 pinctrl state used by boards that route I2C6 to pads 7
> and 8. Use a 25 mA drive strength, which is supported for both K3 IO
> voltage domains, and leave board-specific IO voltage selection to board
> files.
>
> Signed-off-by: Troy Mitchell <troy.mitchell@xxxxxxxxx>
> ---
> arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
Reviewed-by: Yixun Lan <dlan@xxxxxxxxxx>

> diff --git a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
> index 6482d24be1394..cb4f4f4e33aff 100644
> --- a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
> +++ b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
> @@ -101,6 +101,17 @@ i2c2-1-pins {
> };
> };
>
> + /omit-if-no-ref/
> + i2c6_1_cfg: i2c6-1-cfg {
> + i2c6-1-pins {
> + pinmux = <K3_PADCONF(7, 6)>, /* i2c6 scl */
> + <K3_PADCONF(8, 6)>; /* i2c6 sda */
> +
> + bias-pull-up = <0>;
> + drive-strength = <25>;
> + };
> + };
> +
> /omit-if-no-ref/
> i2c8_cfg: i2c8-cfg {
> i2c8-pins {
>
> --
> 2.55.0
>

--
Yixun Lan (dlan)