linux-kernel - Re: [PATCH V2 2/3] dt-bindings: gpio: Convert Unisoc EIC controller binding to yaml

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Message-ID: <CAAfSe-u4y84kjjksv-Y7=zyosV=34M-=_wrDQC9884znvx9V4Q@mail.gmail.com>
Date:   Sat, 8 Oct 2022 10:57:35 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        Baolin Wang <baolin.wang7@...il.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 2/3] dt-bindings: gpio: Convert Unisoc EIC controller
 binding to yaml

On Fri, 30 Sept 2022 at 19:09, Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 30/09/2022 10:24, Chunyan Zhang wrote:
> > From: Chunyan Zhang <chunyan.zhang@...soc.com>
> >
> > Convert the Unisoc EIC controller binding to DT schema format.
> > Update the maxItems of 'reg' property, since the current gpio-eic-sprd
> > driver supports 3 reg items. Also remove three redundant examples.
> >
> > Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
> > ---
> >  .../bindings/gpio/gpio-eic-sprd.txt           |  97 --------------
> >  .../bindings/gpio/sprd,gpio-eic.yaml          | 119 ++++++++++++++++++
> >  2 files changed, 119 insertions(+), 97 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-eic-sprd.txt
> >  create mode 100644 Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml

[snip]

> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +
> > +    soc {
> > +        #address-cells = <2>;
> > +        #size-cells = <2>;
> > +
> > +        eic_debounce: gpio@...10000 {
> > +            compatible = "sprd,sc9860-eic-debounce";
> > +            reg = <0 0x40210000 0 0x80>;
> > +            gpio-controller;
> > +            #gpio-cells = <2>;
> > +            interrupt-controller;
> > +            #interrupt-cells = <2>;
> > +            interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
> > +        };
> > +    };
> > +
> > +    sc2730_pmic {
>
> If you insisted to keep it, at least should be correct, so just pmic.
>
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        pmic_eic: gpio@300 {
>
> It's exactly the same example as above - all same properties. Drop it or
> bring some differences.

The differences are on #address-cells and #size-cells.

Thanks for the review,
Chunyan