linux-kernel - Re: [PATCH 4/6] dt-bindings: sram: qcom,ocmem: Add msm8226 support

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Date:   Tue, 09 May 2023 18:44:49 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Brian Masney <masneyb@...tation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 4/6] dt-bindings: sram: qcom,ocmem: Add msm8226 support

On Montag, 8. Mai 2023 09:39:22 CEST Konrad Dybcio wrote:
> On 7.05.2023 11:12, Luca Weiss wrote:
> > Add the compatible for the OCMEM found on msm8226 which compared to
> > msm8974 only has a core clock and no iface clock.
> > 
> > Signed-off-by: Luca Weiss <luca@...tu.xyz>
> > ---
> > 
> >  Documentation/devicetree/bindings/sram/qcom,ocmem.yaml | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
> > b/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml index
> > 4bbf6db0b6bd..515f0d8ec641 100644
> > --- a/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
> > +++ b/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
> > @@ -15,7 +15,9 @@ description: |
> > 
> >  properties:
> >    compatible:
> > -    const: qcom,msm8974-ocmem
> > +    enum:
> > +      - qcom,msm8226-ocmem
> > +      - qcom,msm8974-ocmem
> 
> Any chance you could read the revision field on both and add comments
> like:
> 
> - qcom,msm8974-ocmem # vX.Y

Do you mean the OCMEM_REG_HW_VERSION register? It's currently not read in the 
driver so no idea what the value is - without adding some code.

> 
> >    reg:
> >      items:
> > @@ -28,11 +30,13 @@ properties:
> >        - const: mem
> >    
> >    clocks:
> > +    minItems: 1
> > 
> >      items:
> >        - description: Core clock
> >        - description: Interface clock
> 
> allOf: if: properties: compatible: 8974 / then: clock(s|-names): minItems: 2

Sure, can update

> 
> Konrad
> 
> >    clock-names:
> > +    minItems: 1
> > 
> >      items:
> >        - const: core
> >        - const: iface