Re: [PATCH 08/14] dt-bindings: ufs: qcom: Add sm6115 binding

From: Krzysztof Kozlowski
Date: Sun Sep 04 2022 - 15:10:27 EST


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@xxxxxxxxx>
>>> ---
>>> .../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