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

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Date:   Tue, 9 May 2023 22:00:03 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Luca Weiss <luca@...tu.xyz>, ~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>
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 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!

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
> 
> 
> 
>