Re: [PATCH v2] arm64: dts: renesas: sparrow-hawk: Add overlay for WaveShare 2CH CANFD HAT

[Marek Vasut]

On 9/16/26 10:49 PM, Rob Herring wrote:
> On Wed, Sep 9, 2026 at 10:55 AM Marek Vasut <marek.vasut@xxxxxxxxxxx> wrote:
> > On 9/9/26 5:31 PM, Geert Uytterhoeven wrote:
> >
> > Hello Geert,
> >
> > > > +       /*
> > > > +        * SPI_1 is operated as GPIO SPI, because MSIOF5 can not be
> > > > +        * muxed on the pins allocated for SPI_1 on this CANFD HAT.
> > > > +        */
> > > > +       spi {   /* SPI_1 */
> > >
> > > As this lives at the root node, I'd rather change it back to
> > > spi-ws-2ch-canfd while applying, if you don't mind?
> > Please make sure the DT schema check does not complain about it,
> > otherwise it is fine, thank you.
>
> It does complain:
>
>        1 spi-ws-2ch-canfd (spi-gpio): Unevaluated properties are not
> allowed ('#address-cells', '#size-cells', 'can@0' were unexpected)
>        1 spi-ws-2ch-canfd (spi-gpio): $nodename:0: 'spi-ws-2ch-canfd'
> does not match '^spi(@.*|-([0-9]|[1-9][0-9]+))?$'
>
> The 1st warning is a side effect of the 2nd warning.
>
> "spi-1" like the comment says if just "spi" does not work.
Geert send this fix today:

[PATCH] spi: dt-bindings: Relax node name suffixes again

Maybe that works too ?