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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: "Xiangsheng Hou (侯祥胜)" <Xiangsheng.Hou@mediatek.com>,
	"miquel.raynal@bootlin.com" <miquel.raynal@bootlin.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"broonie@kernel.org" <broonie@kernel.org>,
	"krzysztof.kozlowski+dt@linaro.org"
	<krzysztof.kozlowski+dt@linaro.org>,
	"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
	"gch981213@gmail.com" <gch981213@gmail.com>,
	"vigneshr@ti.com" <vigneshr@ti.com>,
	"richard@nod.at" <richard@nod.at>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"Benliang Zhao (赵本亮)" <Benliang.Zhao@mediatek.com>,
	"linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"Bin Zhang (章斌)" <bin.zhang@mediatek.com>
Subject: Re: [PATCH 5/9] dt-bindings: spi: mtk-snfi: add mt7986 IC snfi bindings
Date: Wed, 30 Nov 2022 09:33:54 +0100	[thread overview]
Message-ID: <cc2f8ded-f88b-66d0-3ec1-9e1cd74b493f@linaro.org> (raw)
In-Reply-To: <36d71d033f6926dfaefed7010bced94b4cd4b339.camel@mediatek.com>

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


  reply	other threads:[~2022-11-30  8:35 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-28  2:06 [PATCH 0/9] Add MediaTek MT7986 SPI NAND and ECC support Xiangsheng Hou
2022-11-28  2:06 ` [PATCH 1/9] spi: mtk-snfi: add snfi support for mt7986 IC Xiangsheng Hou
2022-11-28  2:06 ` [PATCH 2/9] spi: mtk-snfi: change default page format to setup default setting Xiangsheng Hou
2022-11-28  2:06 ` [PATCH 3/9] spi: mtk-snfi: add optional nfi_hclk which needed for mt7986 Xiangsheng Hou
2022-11-28  2:06 ` [PATCH 4/9] mtd: nand: ecc-mtk: add ecc support fot mt7986 IC Xiangsheng Hou
2022-11-28  2:06 ` [PATCH 5/9] dt-bindings: spi: mtk-snfi: add mt7986 IC snfi bindings Xiangsheng Hou
2022-11-28  9:00   ` Krzysztof Kozlowski
2022-11-29  2:50     ` Xiangsheng Hou (侯祥胜)
2022-11-29  7:47       ` Krzysztof Kozlowski
2022-11-30  8:18         ` Xiangsheng Hou (侯祥胜)
2022-11-30  8:33           ` Krzysztof Kozlowski [this message]
2022-11-28  2:06 ` [PATCH 6/9] spi: mtk-snfi: add snfi sample delay and read latency adjustment Xiangsheng Hou
2022-11-28  2:06 ` [PATCH 7/9] dt-bindings: spi: mtk-snfi: add two timing delay property Xiangsheng Hou
2022-11-28  9:04   ` Krzysztof Kozlowski
2022-11-29  2:50     ` Xiangsheng Hou (侯祥胜)
2022-11-29  7:47       ` Krzysztof Kozlowski
2022-11-30  8:18         ` Xiangsheng Hou (侯祥胜)
2022-11-30  8:35           ` Krzysztof Kozlowski
2022-11-30  9:08             ` Chuanhong Guo
2022-11-28 12:20   ` Rob Herring
2022-11-28  2:06 ` [PATCH 8/9] dt-bindings: mtd: Split ECC engine with rawnand controller Xiangsheng Hou
2022-11-28  9:13   ` Krzysztof Kozlowski
2022-11-29  2:50     ` Xiangsheng Hou (侯祥胜)
2022-11-28 12:20   ` Rob Herring
2022-12-01  5:24   ` kernel test robot
2022-11-28  2:06 ` [PATCH 9/9] dt-bindings: mtd: ecc-mtk: add mt7986 IC ecc bindings Xiangsheng Hou
2022-11-28  9:14   ` Krzysztof Kozlowski

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