[RFC 5/6] firmware: scmi: add pseudo pinctrl protocol support on sandbox

[Simon Glass]

Hi AKASHI,

On Tue, 5 Sept 2023 at 20:41, AKASHI Takahiro
<takahiro.akashi at linaro.org> wrote:
>
> With this patch, sandbox SCMI agent can handle pinctrl protocol.
> This feature is used in an unit test for SCMI pinctrl.
>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> ---
>  arch/sandbox/dts/test.dts                  | 115 ++++
>  drivers/firmware/scmi/sandbox-scmi_agent.c | 722 +++++++++++++++++++++
>  2 files changed, 837 insertions(+)
>
> diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
> index dc0bfdfb6e4b..d2ddea801995 100644
> --- a/arch/sandbox/dts/test.dts
> +++ b/arch/sandbox/dts/test.dts
> @@ -723,9 +723,124 @@
>                                         };
>                                 };
>                         };
> +
> +                       pinctrl_scmi: protocol at 19 {
> +                               reg = <0x19>;
> +
> +                               pinctrl-names = "default","alternate";
> +                               pinctrl-0 = <&scmi_pinctrl_gpios>, <&scmi_pinctrl_i2s>;
> +                               pinctrl-1 = <&scmi_pinctrl_spi>, <&scmi_pinctrl_i2c>;
> +
> +#if 0

Are these alternatives that you are testing?

The bindings  look OK to me - is this how it is done in Linux?

Regards,
Simon