linux-kernel - Re: [PATCH 1/2] dt-bindings: mfd: syscon: Add img,boston-platform-regs

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Date: Wed, 15 May 2024 22:44:28 +0100
From: "Jiaxun Yang" <jiaxun.yang@...goat.com>
To: "Krzysztof Kozlowski" <krzk@...nel.org>, "Lee Jones" <lee@...nel.org>,
 "Rob Herring" <robh@...nel.org>, "Krzysztof Kozlowski" <krzk+dt@...nel.org>,
 "Conor Dooley" <conor+dt@...nel.org>,
 "paulburton@...nel.org" <paulburton@...nel.org>,
 "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Subject: Re: [PATCH 1/2] dt-bindings: mfd: syscon: Add img,boston-platform-regs



在2024年5月14日五月 上午10:11，Krzysztof Kozlowski写道：
> On 14/05/2024 11:08, Krzysztof Kozlowski wrote:
>> On 13/05/2024 20:58, Jiaxun Yang wrote:
>>> This compatible has been used in arch/mips/boot/dts/img/boston.dts
>>> for a while but never documented properly.
>>>
>>> Add it to simple syscon binding.
>>>
>>> Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
>>> ---
>>>  Documentation/devicetree/bindings/mfd/syscon.yaml | 1 +
>> 
>> It is documented in clock/img,boston-clock.txt. Please fix/convert/work
>> on that.
>
> No, that's different device.
>
> Anyway, this is wrong - does no work with your second patch. Please test
> them before sending.

Hi Krzysztof,

Do you mind telling dumb as me how to test bindings properly?

I tried to run make check_dtbs after applying this patch and that's all
the warnings I got:
```
arch/mips/boot/dts/img/boston.dtb: Warning (interrupt_map): Failed prerequisite 'interrupt_provider'
/home/flygoat/linux-next/arch/mips/boot/dts/img/boston.dtb: /: 'model' is a required property
        from schema $id: http://devicetree.org/schemas/root-node.yaml#
arch/mips/boot/dts/img/boston.dtb: /: failed to match any schema with compatible: ['img,boston']
arch/mips/boot/dts/img/boston.dtb: /cpus/cpu@0: failed to match any schema with compatible: ['img,mips']
arch/mips/boot/dts/img/boston.dtb: /system-controller@...fd000/clock: failed to match any schema with compatible: ['img,boston-clock']
/home/flygoat/linux-next/arch/mips/boot/dts/img/boston.dtb: uart@...fe000: $nodename:0: 'uart@...fe000' does not match '^serial(@.*)?$'
        from schema $id: http://devicetree.org/schemas/serial/8250.yaml#
```

I think there is no new warning introduced by this patch.
Did I miss anything here?

Thanks
- Jiaxun
>
> You need proper, dedicated schema.
>
> Best regards,
> Krzysztof

-- 
- Jiaxun