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

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Message-ID: <8118185.EvYhyI6sBW@z3ntu.xyz>
Date:   Tue, 09 May 2023 23:10:33 +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 Dienstag, 9. Mai 2023 22:00:03 CEST Konrad Dybcio wrote:
> On 9.05.2023 18:44, Luca Weiss wrote:
> > 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?
> 
> Yep
> 
> It's currently not read in the
> 
> > driver so no idea what the value is - without adding some code.
> 
> Would be appreciated!

Appears msm8974 has v1.4.0 and msm8226 has v1.1.0. Will include this in the
next revision.

Regards
Luca

> 
> Konrad
> 
> >>>    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