Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <199167f2-0420-8c56-5156-35005069549d@linaro.org>
Date:   Sun, 4 Sep 2022 22:10:11 +0300
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.13.0
Subject: Re: [PATCH 08/14] dt-bindings: ufs: qcom: Add sm6115 binding
Content-Language: en-US
To:     Iskren Chernev <iskren.chernev@gmail.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>
Cc:     phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        Andy Gross <agross@kernel.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Avri Altman <avri.altman@wdc.com>,
        Bart Van Assche <bvanassche@acm.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20220901072414.1923075-1-iskren.chernev@gmail.com>
 <20220901072414.1923075-9-iskren.chernev@gmail.com>
 <7804ffbe-4e27-d8bd-dbe2-75d1323da064@linaro.org>
 <89e6a200-d9af-7263-5e09-d7d824277a30@gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <89e6a200-d9af-7263-5e09-d7d824277a30@gmail.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 03/09/2022 19:54, Iskren Chernev wrote:
> 
> 
> On 9/1/22 19:11, Krzysztof Kozlowski wrote:
>> On 01/09/2022 10:24, Iskren Chernev wrote:
>>> Add SM6115 UFS to DT schema.
>>>
>>> Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
>>> ---
>>>  .../devicetree/bindings/ufs/qcom,ufs.yaml     | 26 +++++++++++++++++++
>>>  1 file changed, 26 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
>>> index f2d6298d926c..7c5f6e2e6d4c 100644
>>> --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
>>> +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
>>> @@ -28,6 +28,7 @@ properties:
>>>            - qcom,msm8998-ufshc
>>>            - qcom,sc8280xp-ufshc
>>>            - qcom,sdm845-ufshc
>>> +          - qcom,sm6115-ufshc
>>>            - qcom,sm6350-ufshc
>>>            - qcom,sm8150-ufshc
>>>            - qcom,sm8250-ufshc
>>> @@ -178,6 +179,31 @@ allOf:
>>>            minItems: 1
>>>            maxItems: 1
>>>
>>> +  - if:
>>> +      properties:
>>> +        compatible:
>>> +          contains:
>>> +            enum:
>>> +              - qcom,sm6115-ufshc
>>> +    then:
>>> +      properties:
>>> +        clocks:
>>> +          minItems: 8
>>> +          maxItems: 8
>>> +        clock-names:
>>> +          items:
>>> +            - const: core_clk
>>> +            - const: bus_aggr_clk
>>> +            - const: iface_clk
>>> +            - const: core_clk_unipro
>>> +            - const: core_clk_ice
>>
>> Use existing name and put it in the same place as existing variant - sdm845:
>> ice_core_clk
> 
> The only problem with sdm845 bindings is the presence of rx_lane1_sync_clk
> clock. I'm guessing I could pass zeros there, because it shouldn't be used. Or
> it could be moved to last property and then min/maxItems to guard, but that is
> a change to something more-or-less immutable.

I don't understand - what is the problem here. How presence of some
clock affects name of other clock and its place/location in list of clocks?


Best regards,
Krzysztof