linux-kernel - Re: [PATCH 3/4] dt-bindings: arm: mediatek: Add missing power-domains property

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Date:   Tue, 20 Dec 2022 12:49:50 +0000
From:   Allen-KH Cheng (程冠勳) 
        <Allen-KH.Cheng@...iatek.com>
To:     "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "ikjn@...omium.org" <ikjn@...omium.org>,
        "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        Chun-Jie Chen (陳浚桀) 
        <Chun-Jie.Chen@...iatek.com>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "wenst@...omium.org" <wenst@...omium.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 3/4] dt-bindings: arm: mediatek: Add missing power-domains
 property

Hi Krzysztof,

Thanks for the reminder.

On Fri, 2022-12-16 at 11:58 +0100, Krzysztof Kozlowski wrote:
> On 15/12/2022 13:00, Allen-KH Cheng wrote:
> > The "mediatek,mt8192-scp_adsp" binding requires a power domain to
> > be
> > specified.
> > 
> > Fixes: 4a803990aeb1 ("dt-bindings: ARM: Mediatek: Add new document
> > bindings of MT8192 clock")
> > Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
> > ---
> >  .../arm/mediatek/mediatek,mt8192-clock.yaml     | 17
> > +++++++++++++++++
> >  1 file changed, 17 insertions(+)
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-
> > clock.yaml
> > b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-
> > clock.yaml
> > index b57cc2e69efb..cbedef114103 100644
> > ---
> > a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-
> > clock.yaml
> > +++
> > b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-
> > clock.yaml
> > @@ -40,6 +40,9 @@ properties:
> >    reg:
> >      maxItems: 1
> >  
> > +  power-domains:
> > +    maxItems: 1
> > +
> >    '#clock-cells':
> >      const: 1
> >  
> > @@ -49,11 +52,25 @@ required:
> >  
> >  additionalProperties: false
> >  
> > +allOf:
> 
> allOf goes just before additionalProperties.
> 

ok, I will fix this.

> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - mediatek,mt8192-scp_adsp
> 
> For the future: please don't use underscores in compatibles.
> 

Noted!

Thanks,
Allen

> > +    then:
> > +      required:
> > +        - power-domains
> > +
> >  examples:
> >    - |
> > +    #include <dt-bindings/power/mt8192-power.h>
> > +
> >      scp_adsp: clock-controller@...20000 {
> >          compatible = "mediatek,mt8192-scp_adsp";
> >          reg = <0x10720000 0x1000>;
> > +        power-domains = <&spm MT8192_POWER_DOMAIN_ADSP>;
> >          #clock-cells = <1>;
> >      };
> >  
> 
> Best regards,
> Krzysztof
>