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

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Message-ID: <OS0PR01MB5922452249D532A1219C192E86BC9@OS0PR01MB5922.jpnprd01.prod.outlook.com>
Date:   Sat, 2 Jul 2022 18:08:11 +0000
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>
CC:     Wolfgang Grandegger <wg@...ndegger.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>
Subject: RE: [PATCH 2/6] dt-bindings: can: nxp,sja1000: Document RZ/N1{D,S}
 support

Hi Marc,

Thanks for the feedback.

> Subject: Re: [PATCH 2/6] dt-bindings: can: nxp,sja1000: Document
> RZ/N1{D,S} support
> 
> On 02.07.2022 15:01:26, Biju Das 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
>                ^^^
> 
> please add space.

OK.

> 
> > compatible 'renesas,rzn1-sja1000' to handle these differences.
> >
> > Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> > ---
> >  .../bindings/net/can/nxp,sja1000.yaml         | 22
> +++++++++++++++++++
> >  1 file changed, 22 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml
> > b/Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml
> > index 91d0f1b25d10..d0d374b979ec 100644
> > --- a/Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml
> > +++ b/Documentation/devicetree/bindings/net/can/nxp,sja1000.yaml
> > @@ -16,6 +16,12 @@ properties:
> >          const: nxp,sja1000
> >        - description: Technologic Systems SJA1000 CAN Controller
> >          const: technologic,sja1000
> > +      - description: Renesas RZ/N1 SJA1000 CAN Controller
> > +        items:
> > +          - enum:
> > +              - renesas,r9a06g032-sja1000 # RZ/N1D
> > +              - renesas,r9a06g033-sja1000 # RZ/N1S
> > +          - const: renesas,rzn1-sja1000 # RZ/N1
> >
> >    reg:
> >      maxItems: 1
> > @@ -23,6 +29,12 @@ properties:
> >    interrupts:
> >      maxItems: 1
> >
> > +  clocks:
> > +    maxItems: 1
> > +
> > +  clock-names:
> > +    const: can_clk
> > +
> >    reg-io-width:
> >      $ref: /schemas/types.yaml#/definitions/uint32
> >      description: I/O register width (in bytes) implemented by this
> > device @@ -91,6 +103,16 @@ allOf:
> >        required:
> >          - reg-io-width
> >
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            const: renesas,rzn1-sja1000
> > +    then:
> > +      required:
> > +        - clocks
> > +        - clock-names
> > +
> >  unevaluatedProperties: false
> >
> >  examples:
> 
> Can you add an example, too?


OK, Will add in V2.

Cheers,
Biju