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: Thu, 9 Apr 2026 14:11:30 +0200 [thread overview]
Message-ID: <dc1c0b6d-b6e6-4a88-8e50-e8316e3dcf5e@kernel.org> (raw)
In-Reply-To: <e10017ce-cda0-5b5e-8cd8-3488aef4cdb0@loongson.cn>
On 09/04/2026 14:03, Hongliang Wang wrote:
>
> I have a question, the input clock of i2c controller can be described by
> "clocks",
> but there is no existing attribute can describe the divisor of the input
> clock,
> Can I define a new attribute named "clock-div" to describe it in DT
> bindings?
> or do you have any standard solutions for the divisor problem? Thank you.
>
You should determine/calculate the divisor in the driver code, depending
on clocks and bus frequencies. You don't need a property for that, usually.
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-04-09 12:11 UTC|newest]
Thread overview: 21+ 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
2026-03-30 7:18 ` Hongliang Wang
2026-03-30 7:23 ` Krzysztof Kozlowski
2026-03-31 7:11 ` Hongliang Wang
2026-04-09 12:03 ` Hongliang Wang
2026-04-09 12:11 ` Krzysztof Kozlowski [this message]
2026-04-09 15:29 ` Yao Zi
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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