linux-kernel - Re: [PATCH 1/8] dt-bindings: soc: socionext: Add UniPhier system controller

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Date:   Thu, 1 Dec 2022 17:29:39 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] dt-bindings: soc: socionext: Add UniPhier system
 controller

On 2022/12/01 0:24, Krzysztof Kozlowski wrote:
> On 30/11/2022 09:59, Kunihiko Hayashi wrote:
>>>> +maintainers:
>>>> +  - Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
>>>> +
>>>> +description: |+
>>>> +  System controller implemented on Socionext UniPhier SoCs has multiple
>>>> +  functions such as clock control, reset control, internal watchdog
>>>> timer,
>>>> +  thermal management, and so on.
>>>> +
>>>> +properties:
>>>> +  compatible:
>>>> +    items:
>>>> +      - enum:
>>>> +          - socionext,uniphier-ld4-sysctrl
>>>> +          - socionext,uniphier-pro4-sysctrl
>>>> +          - socionext,uniphier-pro5-sysctrl
>>>> +          - socionext,uniphier-pxs2-sysctrl
>>>> +          - socionext,uniphier-ld6b-sysctrl
>>>> +          - socionext,uniphier-sld8-sysctrl
>>>> +          - socionext,uniphier-ld11-sysctrl
>>>> +          - socionext,uniphier-ld20-sysctrl
>>>> +          - socionext,uniphier-pxs3-sysctrl
>>>> +          - socionext,uniphier-nx1-sysctrl
>>>
>>> All of them can have children or only some?
>>
>> In case of this system controller,
>> all SoCs has clock-controller, reset-controller and watchdog.
>>
>> However, some SoCs don't have thermal-sensor and
>> their register addresses are reserved.
> 
> OK
> 
>>
>>>> +          - socionext,uniphier-sysctrl
> 
> What about this one? What SoC is this? Looks too generic.

It's the same one as soc-glue, so it should be placed as follows.

items:
   - enum:
       - ...
       - ...
   - const: socionext,uniphier-sysctrl

However, currently it is no use for now. I'll drop it.

Thank you,

---
Best Regards
Kunihiko Hayashi