Re: [PATCH 2/2] pinctrl: add NXP S32 SoC family support

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Hi Chester,

thanks for your patch!

On Mon, Oct 31, 2022 at 11:10 AM Chester Lin <clin@xxxxxxxx> wrote:

> Add the pinctrl driver for NXP S32 SoC family. This driver is mainly based
> on NXP's downstream implementation on CodeAurora[1].
>
> [1] https://source.codeaurora.org/external/autobsps32/linux/tree/drivers/pinctrl/freescale?h=bsp34.0-5.10.120-rt
>
> Signed-off-by: Matthew Nunez <matthew.nunez@xxxxxxx>
> Signed-off-by: Phu Luu An <phu.luuan@xxxxxxx>
> Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@xxxxxxx>
> Signed-off-by: Larisa Grigore <larisa.grigore@xxxxxxx>
> Signed-off-by: Ghennadi Procopciuc <Ghennadi.Procopciuc@xxxxxxx>
> Signed-off-by: Andrei Stefanescu <andrei.stefanescu@xxxxxxx>
> Signed-off-by: Radu Pirea <radu-nicolae.pirea@xxxxxxx>
> Signed-off-by: Chester Lin <clin@xxxxxxxx>

Overall this looks very good, special thanks for using as much generic code
as possible.

Only main thing I want you to look into are those magic nxp,pins ranges encoded
into the device tree.

> +static struct s32_pinctrl_soc_info s32_pinctrl_info = {
> +       .pins = s32_pinctrl_pads_siul2,
> +       .npins = ARRAY_SIZE(s32_pinctrl_pads_siul2),
> +};
> +
> +static const struct of_device_id s32_pinctrl_of_match[] = {
> +       {
> +
> +               .compatible = "nxp,s32g-siul2-pinctrl",
> +               .data = (void *) &s32_pinctrl_info,
> +       },
> +       { /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, s32_pinctrl_of_match);

Since you are already using .data so nicely for the variants surely the
nxp,pins info can go in there too?

Yours,
Linus Walleij



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