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In-Reply-To: <YhUj3uRQinOVF4eM@robh.at.kernel.org>
From:   Tyrone Ting <warp5tw@gmail.com>
Date:   Wed, 23 Feb 2022 11:41:51 +0800
Message-ID: <CACD3sJZo4GvGxira9nM1g_58OkN9UNhUV_f=JKyKiok6_=uoSQ@mail.gmail.com>
Subject: Re: [PATCH v2 02/11] dt-bindings: i2c: npcm: support NPCM845
To:     Rob Herring <robh@kernel.org>
Cc:     avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com,
        venture@google.com, yuenn@google.com, benjaminfair@google.com,
        krzysztof.kozlowski@canonical.com, semen.protsenko@linaro.org,
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        olof@lixom.net, arnd@arndb.de, digetx@gmail.com,
        andriy.shevchenko@linux.intel.com, tali.perry@nuvoton.com,
        Avi.Fishman@nuvoton.com, tomer.maimon@nuvoton.com,
        KWLIU@nuvoton.com, JJLIU0@nuvoton.com, kfting@nuvoton.com,
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Hi Rob:

Thank you for your comment and it'll be addressed.

Rob Herring <robh@kernel.org> =E6=96=BC 2022=E5=B9=B42=E6=9C=8823=E6=97=A5 =
=E9=80=B1=E4=B8=89 =E4=B8=8A=E5=8D=881:56=E5=AF=AB=E9=81=93=EF=BC=9A
>
> On Sun, Feb 20, 2022 at 11:53:12AM +0800, Tyrone Ting wrote:
> > From: Tyrone Ting <kfting@nuvoton.com>
> >
> > Add compatible and nuvoton,sys-mgr description for NPCM i2c module.
> >
> > Signed-off-by: Tyrone Ting <kfting@nuvoton.com>
> > Signed-off-by: Tali Perry <tali.perry1@gmail.com>
> > ---
> >  .../bindings/i2c/nuvoton,npcm7xx-i2c.yaml       | 17 ++++++++++++-----
> >  1 file changed, 12 insertions(+), 5 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.=
yaml b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
> > index 128444942aec..809c51ac32fe 100644
> > --- a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
> > +++ b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
> > @@ -7,17 +7,18 @@ $schema: http://devicetree.org/meta-schemas/core.yaml=
#
> >  title: nuvoton NPCM7XX I2C Controller Device Tree Bindings
> >
> >  description: |
> > -  The NPCM750x includes sixteen I2C bus controllers. All Controllers s=
upport
> > -  both master and slave mode. Each controller can switch between maste=
r and slave
> > -  at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIF=
O for TX and
> > -  RX.
> > +  I2C bus controllers of the NPCM series support both master and
> > +  slave mode. Each controller can switch between master and slave at r=
un time
> > +  (i.e. IPMB mode). HW FIFO for TX and RX are supported.
> >
> >  maintainers:
> >    - Tali Perry <tali.perry1@gmail.com>
> >
> >  properties:
> >    compatible:
> > -    const: nuvoton,npcm750-i2c
> > +     enum:
> > +      - nuvoton,npcm750-i2c
> > +      - nuvoton,npcm845-i2c
> >
> >    reg:
> >      maxItems: 1
> > @@ -36,11 +37,16 @@ properties:
> >      default: 100000
> >      enum: [100000, 400000, 1000000]
> >
> > +  nuvoton,sys-mgr:
> > +    $ref: "/schemas/types.yaml#/definitions/phandle"
> > +    description: The phandle of system manager register node.
> > +
> >  required:
> >    - compatible
> >    - reg
> >    - interrupts
> >    - clocks
> > +  - nuvoton,sys-mgr
>
> You can't make nuvoton,sys-mgr required for existing users. You can add
> an if/then schema for nuvoton,npcm845-i2c if you want to make it
> required in that case.
>
> Rob

Best regards,
Tyrone