linux-kernel - Re: [PATCH v3 3/5] dt-bindings: stm32: add clocks and reset binding for stm32mp25 platform

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Date:   Thu, 23 Nov 2023 10:39:51 +0100
From:   Gabriel FERNANDEZ <gabriel.fernandez@...s.st.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...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>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
CC:     <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 3/5] dt-bindings: stm32: add clocks and reset binding
 for stm32mp25 platform


On 11/22/23 20:03, Krzysztof Kozlowski wrote:
> On 22/11/2023 14:21, gabriel.fernandez@...s.st.com wrote:
>> From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
>>
>> Adds clock and reset binding entries for STM32MP25 SoC family
>>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
>> ---
>>   .../bindings/clock/st,stm32mp25-rcc.yaml      |  76 +++
>>   include/dt-bindings/clock/st,stm32mp25-rcc.h  | 492 ++++++++++++++++++
>>   include/dt-bindings/reset/st,stm32mp25-rcc.h  | 165 ++++++
>>   3 files changed, 733 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
>>   create mode 100644 include/dt-bindings/clock/st,stm32mp25-rcc.h
>>   create mode 100644 include/dt-bindings/reset/st,stm32mp25-rcc.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
>> new file mode 100644
>> index 000000000000..8697ab6bc22c
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
>> @@ -0,0 +1,76 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/st,stm32mp25-rcc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: STM32MP25 Reset Clock Controller
>> +
>> +maintainers:
>> +  - Gabriel Fernandez <gabriel.fernandez@...s.st.com>
>> +
>> +description: |
>> +  The RCC hardware block is both a reset and a clock controller.
>> +  RCC makes also power management (resume/supend).
>> +
>> +  See also::
>> +    include/dt-bindings/clock/st,stm32mp25-rcc.h
>> +    include/dt-bindings/reset/st,stm32mp25-rcc.h
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - st,stm32mp25-rcc
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  '#clock-cells':
>> +    const: 1
>> +
>> +  '#reset-cells':
>> +    const: 1
>> +
>> +  clocks:
>> +    items:
>> +      - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz)
>> +      - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz)
>> +      - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
>> +      - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
>> +      - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
>> +
>> +  clock-names:
>> +    items:
>> +      - const: hse
>> +      - const: hsi
>> +      - const: msi
>> +      - const: lse
>> +      - const: lsi
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - "#clock-cells"
>> +  - "#reset-cells"
> If there is going to be respin, please use consistent quotes: either '
> or ", in each place. No need to respin only for this.
>
> ...
ok i will use '
>> diff --git a/include/dt-bindings/clock/st,stm32mp25-rcc.h b/include/dt-bindings/clock/st,stm32mp25-rcc.h
>> new file mode 100644
>> index 000000000000..9876ee0dd1e4
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/st,stm32mp25-rcc.h
>> @@ -0,0 +1,492 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause */
> Any particular reason why do you need 3-clause BSD? Checkpatch asks for
> different one, because that one clause is just annoying.

Yes, the same file can also be used in other components, such as 
TF-A/OPTEE, and can therefore have a dual licence.


> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>
> Best regards,
> Krzysztof
>
Thanks

Best Regards,

Gabriel