linux-kernel - Re: [PATCH RFC v3 1/5] dt-bindings: phy: hisi-inno-usb2: convert to YAML

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Date: Wed, 21 Feb 2024 09:23:30 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Yang Xiwen <forbidden405@...look.com>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring
 <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 Jiancheng Xue <xuejiancheng@...ilicon.com>, Shawn Guo
 <shawn.guo@...aro.org>, Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Kishon Vijay Abraham I <kishon@...com>,
 David Yang <mmyangfl@...il.com>
Subject: Re: [PATCH RFC v3 1/5] dt-bindings: phy: hisi-inno-usb2: convert to
 YAML

On 20/02/2024 12:43, Krzysztof Kozlowski wrote:
>>>
>>> hisi_inno_phy_write_reg() should be moved to a separate bus driver. It's 
>>> bus-related, not phy. PHY driver should not care how to access the bus, 
>>
>> So drivers are compatible or hardware? We talk about hardware, not
>> drivers...
>>
>>> but the bus driver should. The PHY driver only needs to use regmap_* 
>>> APIs to "write BIT(2) to addr 6".
>>
>> Different programming interface, so not compatible.
> 
> Although maybe I jumped to conclusions too fast. Do you claim that all
> registers are the same? All the values, offsets, fields and masks?

I still wait for the answer: yes or not, for above.

Best regards,
Krzysztof