[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 at mailbox.org> 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 at 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 ?