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List:       linux-spi
Subject:    Re: [PATCH 5/9] dt-bindings: spi: mtk-snfi: add mt7986 IC snfi bindings
From:       Krzysztof Kozlowski <krzysztof.kozlowski () linaro ! org>
Date:       2022-11-30 8:33:54
Message-ID: cc2f8ded-f88b-66d0-3ec1-9e1cd74b493f () linaro ! org
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On 30/11/2022 09:18, Xiangsheng Hou (侯祥胜) wrote:
> Hi Krzysztof,
> 
> On Tue, 2022-11-29 at 08:47 +0100, Krzysztof Kozlowski wrote:
>> On 29/11/2022 03:50, Xiangsheng Hou (侯祥胜) wrote:
>>>
>>>>>    clocks:
>>>>> +    minItems: 2
>>>>>      items:
>>>>>        - description: clock used for the controller
>>>>>        - description: clock used for the SPI bus
>>>>> +      - description: clock used for the AHB bus dma bus, this
>>>>> depends on
>>>>> +                     hardware design, so this is optional.
>>>>
>>>> Optional for which variants? For all of them?
>>>
>>> It`s only needed for the item 3 nfi_hclk. Is it proper with this
>>> description or any other suggestion.
>>
>> I understand third clock is optional. For which variants/compatibles
>> it
>> is optional? Add allOf:if:then restricting it.
> 
> The MediaTek SPI NAND controller IP used by MT7986 is the newest.
> In the future, there will have other SoCs.
> If add restricting on this, may not easy to maintain.
> Does this acceptable?

I don't think it is not easy to maintain. We have it in many, many
bindings...

Best regards,
Krzysztof

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