RE: [PATCH 0/2] Enable RSPI support on RZ/G3L SMARC EVK

From: Biju Das

Date: Tue Jun 02 2026 - 08:01:13 EST


Hi Geert,

> -----Original Message-----
> From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Sent: 02 June 2026 12:07
> Subject: Re: [PATCH 0/2] Enable RSPI support on RZ/G3L SMARC EVK
>
> Hi Biju,
>
> On Tue, 19 May 2026 at 13:20, Biju <biju.das.au@xxxxxxxxx> wrote:
> > There is an internal discussion about dropping patch#2, as RSPI is
> > useless without a device connected to that interface. However, as per
> > the schematic, RSPI signals are wired up to the PMOD connector.
> > Currently, it is enabled on RZ/G2L and RZ/G3E. Please share your thoughts on this.
>
> Sorry, I had missed this question before.
> RZ/G3E SMARC EVK (which shares the same carrier board) has it enabled, too, as the connector is
> labelled "Type-2A", i.e. meant for expanded SPI. Obviously it really depends on the use case: one
> might want to use the pins as GPIOs? We can revisit this when we get real connector support.

OK, that makes sense.

Cheers,
Biju

>
> > Biju Das (2):
> > arm64: dts: renesas: r9a08g046: Add RSPI{0..2} nodes
> > arm64: dts: renesas: r9a08g046l48-smarc: Enable RSPI2
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> In personal conversations with technical people, I call myself a hacker. But when I'm talking to
> journalists I just say "programmer" or something like that.
> -- Linus Torvalds