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References: <20231020034921.1179-1-jyanchou@realtek.com> <20231020034921.1179-5-jyanchou@realtek.com>
 <c779d973-2f3e-44b5-91e0-1ad0910fa016@linaro.org>
In-Reply-To: <c779d973-2f3e-44b5-91e0-1ad0910fa016@linaro.org>
From:   Rob Herring <robh+dt@kernel.org>
Date:   Fri, 20 Oct 2023 08:52:49 -0500
Message-ID: <CAL_JsqJ4_9cvG3CuvV-L00k6P8COqML0eXfgudY+DJ17FAWSwg@mail.gmail.com>
Subject: Re: [PATCH V3][4/4] dt-bindings: mmc: Add dt-bindings for realtek mmc driver
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Jyan Chou <jyanchou@realtek.com>
Cc:     adrian.hunter@intel.com, jh80.chung@samsung.com,
        ulf.hansson@linaro.org, riteshh@codeaurora.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        asutoshd@codeaurora.org, p.zabel@pengutronix.de,
        linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, arnd@arndb.de,
        briannorris@chromium.org, doug@schmorgal.com,
        tonyhuang.sunplus@gmail.com, abel.vesa@linaro.org,
        william.qiu@starfivetech.com
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On Fri, Oct 20, 2023 at 1:50=E2=80=AFAM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 20/10/2023 05:49, Jyan Chou wrote:
> > Document the device-tree bindings for Realtek SoCs mmc driver.
> >
> > Signed-off-by: Jyan Chou <jyanchou@realtek.com>
> >
> > ---
> > v2 -> v3:
> > - Modify dt-bindings' content and description.
> > - Fix coding style.
> > - Update the list of maintainers.
> >
> > v0 -> v2:
> > - Add dt-bindings.
> > ---
> > ---
> >  .../bindings/mmc/realtek-dw-mshc.yaml         | 150 ++++++++++++++++++
> >  1 file changed, 150 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mmc/realtek-dw-ms=
hc.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/realtek-dw-mshc.yaml=
 b/Documentation/devicetree/bindings/mmc/realtek-dw-mshc.yaml
> > new file mode 100644
> > index 000000000000..b1e37fb37be9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mmc/realtek-dw-mshc.yaml
>
> Filename matching compatible.
>
> BTW, before you respond, be sure you have fixed your email client. In
> your last response everything was not properly wrapped (not matching
> mailing list discussion style).
>
> > @@ -0,0 +1,150 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/mmc/realtek-dw-mshc.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Realtek designware mobile storage host controller
>
>
> DesignWare
>
> > +
> > +description:
> > +  Realtek uses the Synopsys designware mobile storage host controller
>
> DesignWare
>
> > +  to interface a SoC with storage medium. This file documents the Real=
tek
> > +  specific extensions.
> > +
> > +allOf:
> > +  - $ref: synopsys-dw-mshc-common.yaml#
> > +
> > +maintainers:
> > +  - Jyan Chou <jyanchou@realtek.com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - realtek,rtd-dw-cqe-emmc
>
> Compatibles should have SoC-specific part. It does not look like you
> have one here.
>
> Missing blank line
>
> > +  reg:
> > +    maxItems: 2
>
> You need to describe the items.
>
> > +
> > +  reg-names:
> > +    maxItems: 2
>
> You need to describe the items.
>
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  cqe:
> > +    maxItems: 1
>
> Looks like some custom property. If it is a generic one, where is it
> documented? If it is custom, missing vendor prefix and description.
> Detailed description.

There's common properties related to CQE. Use them.

Rob