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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Hongliang Wang <wanghongliang@loongson.cn>
Cc: Binbin Zhou <zhoubinbin@loongson.cn>,
	Andi Shyti <andi.shyti@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
	loongarch@lists.linux.dev
Subject: Re: [PATCH v1 1/2] dt-bindings: i2c: ls2x-i2c: Add clock- related properties
Date: Fri, 27 Mar 2026 07:39:42 +0100	[thread overview]
Message-ID: <ca984be0-e7a6-4897-bf9f-db9465942c6e@kernel.org> (raw)
In-Reply-To: <bc22bad4-9825-829d-1df0-a801ebd933d6@loongson.cn>

On 27/03/2026 04:09, Hongliang Wang wrote:
> The initial idea was that this patch could be used for both ACPI and DTS.
>>>> The i2c-ls2x driver is compatible with both Loongson 2K and 3A+7A
>>>> platform, parse
>>>> the same parameters regardless of dts or acpi parameter passing, So
>>>> clock-input
>>>> and clock-div attributes are defined to describe input clock of i2c
>>>> controller and
>>>> divisor of input clock. It can be used on both 2K and 3A+7A platform.
>>> And you cannot use them in DTS.
> OK
>> I need to keep guessing what you want to achieve, because neither your
>> message nor commit text was explicit
> What I want to achieve is to describe the input clock and divisor of I2C 
> controller

Input clocks are defined as clock inputs obviously in DT, not as
integers. Bindings need to describe the hardware, so start with that.


Best regards,
Krzysztof

  reply	other threads:[~2026-03-27  6:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-25  1:18 [PATCH v2 0/2] i2c: ls2x: Add clock- related properties and parsing Hongliang Wang
2026-03-25  1:18 ` [PATCH v1 1/2] dt-bindings: i2c: ls2x-i2c: Add clock- related properties Hongliang Wang
2026-03-25 11:42   ` Krzysztof Kozlowski
2026-03-25 11:43   ` Krzysztof Kozlowski
2026-03-26  2:12     ` Hongliang Wang
2026-03-26  7:02       ` Krzysztof Kozlowski
2026-03-26  7:49         ` Krzysztof Kozlowski
2026-03-26 11:48           ` Hongliang Wang
2026-03-26 12:23             ` Krzysztof Kozlowski
2026-03-27  2:06               ` Hongliang Wang
2026-03-27  3:09           ` Hongliang Wang
2026-03-27  6:39             ` Krzysztof Kozlowski [this message]
2026-03-26  7:21       ` Andi Shyti
2026-03-27  2:08         ` Hongliang Wang
2026-03-25  1:18 ` [PATCH v1 2/2] i2c: ls2x: Add clock-input and clock-div properties parsing Hongliang Wang

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