RE: [PATCH v4 2/6] dt-bindings: can: nxp,sja1000: Document RZ/N1{D,S} support

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Hi Geert,

Thanks for the feedback.

> Subject: Re: [PATCH v4 2/6] dt-bindings: can: nxp,sja1000: Document
> RZ/N1{D,S} support
> 
> Hi Biju,
> 
> On Sun, Jul 10, 2022 at 1:53 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> wrote:
> > Add CAN binding documentation for Renesas RZ/N1 SoC.
> >
> > The SJA1000 CAN controller on RZ/N1 SoC has some differences compared
> > to others like it has no clock divider register (CDR) support and it
> > has no HW loopback (HW doesn't see tx messages on rx), so introduced a
> > new compatible 'renesas,rzn1-sja1000' to handle these differences.
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> 
> Thanks for your patch, which is now commit 4591c760b7975984
> ("dt-bindings: can: nxp,sja1000: Document RZ/N1{D,S} in v6.0-rc1.
> 
> > --- a/Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml
> > +++ b/Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml
> > @@ -11,9 +11,15 @@ maintainers:
> >
> >  properties:
> >    compatible:
> > -    enum:
> > -      - nxp,sja1000
> > -      - technologic,sja1000
> > +    oneOf:
> > +      - enum:
> > +          - nxp,sja1000
> > +          - technologic,sja1000
> > +      - items:
> > +          - enum:
> > +              - renesas,r9a06g032-sja1000 # RZ/N1D
> > +              - renesas,r9a06g033-sja1000 # RZ/N1S
> > +          - const: renesas,rzn1-sja1000 # RZ/N1
> >
> >    reg:
> >      maxItems: 1
> > @@ -21,6 +27,9 @@ properties:
> >    interrupts:
> >      maxItems: 1
> >
> > +  clocks:
> > +    maxItems: 1
> > +
> 
> Probably you want to add the power-domains property, and make it
> required on RZ/N1.
> This is not super-critical, as your driver patch uses explicit clock
> handling anyway.

OK, will add this and Send SoC/Board dtsi patches.

Cheers,
Biju.

> 
> >    reg-io-width:
> >      $ref: /schemas/types.yaml#/definitions/uint32
> >      description: I/O register width (in bytes) implemented by this
> > device
> 
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-
> m68k.org
> 
> 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




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