linux-kernel - Re: [PATCH 1/6] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC

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Message-ID: <CA+V-a8sLM_rnYps1Wnb=sh5cOGxLz02p9ewmkceK7CQXO1Yk6w@mail.gmail.com>
Date:   Fri, 16 Jul 2021 09:30:39 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-can@...r.kernel.org, netdev <netdev@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 1/6] dt-bindings: net: can: renesas,rcar-canfd: Document
 RZ/G2L SoC

Hi Geert,

Thank you for the review.

On Fri, Jul 16, 2021 at 8:38 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Thu, Jul 15, 2021 at 8:21 PM Lad Prabhakar
> <prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> > Add CANFD binding documentation for Renesas RZ/G2L SoC.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
>
> Thanks for your patch!
>
> > --- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
> > +++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
>
> > @@ -78,6 +79,38 @@ patternProperties:
> >        node.  Each child node supports the "status" property only, which
> >        is used to enable/disable the respective channel.
> >
> > +if:
> > +  properties:
> > +    compatible:
> > +      contains:
> > +        enum:
> > +          - renesas,rzg2l-canfd
> > +then:
> > +  properties:
> > +    interrupts:
> > +      items:
> > +        - description: CAN global error interrupt
> > +        - description: CAN receive FIFO interrupt
> > +        - description: CAN0 error interrupt
> > +        - description: CAN0 transmit interrupt
> > +        - description: CAN0 transmit/receive FIFO receive completion interrupt
> > +        - description: CAN1 error interrupt
> > +        - description: CAN1 transmit interrupt
> > +        - description: CAN1 transmit/receive FIFO receive completion interrupt
>
> Does it make sense to add interrupt-names?
>
Agreed will drop this and add interrupt-names instead. Also I will
update the driver to pick up the interrupts based on names.

> > +
> > +    resets:
> > +      maxItems: 2
>
> Same here, for reset-names?
> Or a list of descriptions, so we know which reset serves what purpose.
>
OK I'll  add the reset-names.

Cheers,
Prabhakar

> > +
> > +else:
> > +  properties:
> > +    interrupts:
> > +      items:
> > +        - description: Channel interrupt
> > +        - description: Global interrupt
> > +
> > +    resets:
> > +      maxItems: 1
> > +
> >  required:
> >    - compatible
> >    - reg
>
> The rest looks good to me.
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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