linux-kernel - Re: [PATCH v2 1/2] dt-binding: spi: npcm-pspi: Add npcm845 compatible

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Date:   Tue, 26 Jul 2022 12:30:57 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Avi Fishman <avifishman70@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Joel Stanley <joel@....id.au>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Mark Brown <broonie@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        linux-spi@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] dt-binding: spi: npcm-pspi: Add npcm845 compatible

Hi Rob,

Thanks for your comments.

On Tue, 26 Jul 2022 at 01:56, Rob Herring <robh@...nel.org> wrote:
>
> On Fri, Jul 22, 2022 at 02:41:35PM +0300, Tomer Maimon wrote:
> > Add a compatible string for Nuvoton BMC NPCM845 PSPI.
> >
> > Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
> > ---
> >  Documentation/devicetree/bindings/spi/nuvoton,npcm-pspi.txt | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/nuvoton,npcm-pspi.txt b/Documentation/devicetree/bindings/spi/nuvoton,npcm-pspi.txt
> > index b98203ca656d..a4e72e52af59 100644
> > --- a/Documentation/devicetree/bindings/spi/nuvoton,npcm-pspi.txt
> > +++ b/Documentation/devicetree/bindings/spi/nuvoton,npcm-pspi.txt
> > @@ -3,7 +3,8 @@ Nuvoton NPCM Peripheral Serial Peripheral Interface(PSPI) controller driver
> >  Nuvoton NPCM7xx SOC support two PSPI channels.
> >
> >  Required properties:
> > - - compatible : "nuvoton,npcm750-pspi" for NPCM7XX BMC
> > + - compatible : "nuvoton,npcm750-pspi" for Poleg NPCM7XX.
>
> Who/What is Polog? Board/BMC vendor? If so, that should not be in SoC
> bindings.
>
> > +                             "nuvoton,npcm845-pspi" for Arbel NPCM8XX.
>
> Same for Arbel.
Poleg and Arbel are the name of the BMC SoC, will be removed next version.
>
> To answer your question on fallback, just put:
>
>     "nuvoton,npcm845-pspi", "nuvoton,npcm750-pspi" for NPCM8XX BMC
In the document?
because I don't remember doing so in other documents that I use fallback.
I need to do it in ymal files as well?
>
>
> >   - #address-cells : should be 1. see spi-bus.txt
> >   - #size-cells : should be 0. see spi-bus.txt
> >   - specifies physical base address and size of the register.
> > --
> > 2.33.0
> >
> >

Best regards,

Tomer