linux-kernel - Re: [PATCH v3 2/3] dt-bindings: clock: add SM6375 QCOM global clock bindings

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Date:   Tue, 26 Jul 2022 11:52:51 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] dt-bindings: clock: add SM6375 QCOM global clock
 bindings

On 23/07/2022 22:56, Konrad Dybcio wrote:
> 
> 
> On 23.07.2022 19:46, Krzysztof Kozlowski wrote:
>> On 23/07/2022 12:01, Konrad Dybcio wrote:
>>> Add device tree bindings for global clock controller for SM6375 SoCs.
>>>
>>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
>>> ---
>>> Changes since v2:
>>> - reference qcom,gcc.yaml
>>>
>>>  .../bindings/clock/qcom,sm6375-gcc.yaml       |  48 ++++
>>>  include/dt-bindings/clock/qcom,sm6375-gcc.h   | 234 ++++++++++++++++++
>>>  2 files changed, 282 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm6375-gcc.yaml
>>>  create mode 100644 include/dt-bindings/clock/qcom,sm6375-gcc.h
>>>
>>> diff --git a/Documentation/devicetree/bindings/clock/qcom,sm6375-gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm6375-gcc.yaml
>>> new file mode 100644
>>> index 000000000000..fb1c36888d18
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/clock/qcom,sm6375-gcc.yaml
>>> @@ -0,0 +1,48 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/clock/qcom,sm6375-gcc.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm Global Clock & Reset Controller Binding for SM6375
>>> +
>>> +maintainers:
>>> +  - Konrad Dybcio <konrad.dybcio@...ainline.org>
>>> +
>>> +description: |
>>> +  Qualcomm global clock control module which supports the clocks, resets and
>>> +  power domains on SM6375
>>> +
>>> +  See also:
>>> +  - dt-bindings/clock/qcom,sm6375-gcc.h
>>> +
>>> +allOf:
>>> +  - $ref: qcom,gcc.yaml#
>>> +
>>> +properties:
>>> +  compatible:
>>> +    const: qcom,sm6375-gcc
>>> +
>>> +  clocks:
>>> +    items:
>>> +      - description: Board XO source
>>> +      - description: Board XO Active-Only source
>>> +      - description: Sleep clock source
>>
>> What happened to clock-names?
>>
>>> +
>>
>> I would assume these are required for the clock controller... and they
>> were before, so what happened?
> I dropped them in v2, as with switching the .c driver to use the
> index matching, they are no longer used.

OK, but what about clocks as required? Why aren't these now required?


Best regards,
Krzysztof