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SubjectRe: [PATCH v7 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC-IF controller bindings
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On 24.01.2019 4:40, masonccyang@mxic.com.tw wrote:

> > > @@ -0,0 +1,46 @@
> > > +Renesas R-Car Gen3 RPC-IF controller Device Tree Bindings
> > > +--------------------------------------------------------------------
> > > +
> > > +Required properties:
> > > +- compatible: should be an SoC-specific compatible value, followed by
> > > +      "renesas,rcar-gen3-rpc" as a fallback, i.e.,
> > > +      "renesas,r8a77995-rpc", "renesas,rcar-gen3-rpc".
> > > +      "renesas,r8a7795-rpc" (R-Car H3)
> > > +      "renesas,r8a7796-rpc" (R-Car M3-W)
> > > +      "renesas,r8a77965-rpc" (R-Car M3-N)
> > > +      "renesas,r8a77970-rpc" (R-Car V3M)
> > > +      "renesas,r8a77980-rpc" (R-Car V3H)
> > > +      "renesas,r8a77990-rpc" (R-Car E3)
> > > +      "renesas,r8a77995-rpc" (R-Car D3)
> > > +- reg: should contain three register areas:
> >
> >    The driver now handles "dirmap" and "wbuf" resources as optional --
> > you need to document that.
> >
>
> Why ?

Because the driver treats "dirmap" and "wbuf" as optional resources.

[...]

> best regards,
> Mason

MBR, Sergei

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