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Message-ID: <91422bb7-9faa-4a82-9813-91a4b2191938@kernel.org>
Date: Wed, 16 Oct 2024 09:44:00 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Troy Mitchell <troymitchell988@...il.com>, andi.shyti@...nel.org,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org
Cc: linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: i2c: spacemit: add support for K1 SoC
On 16/10/2024 04:45, Troy Mitchell wrote:
>>> +
>>> + clock-frequency:
>>> + description:
>>> + Desired I2C bus clock frequency in Hz. As only fast and high-speed
>>> + modes are supported by hardware, possible values are 100000 and 400000.
>>> + enum: [100000, 400000]
>>> + default: 100000
>>> +
>>> + fifo-disable:
>>
>> Why is this a property of a board?
Here, this ^^^^^^
>>
>> Also, missing vendor prefix.
>>
>>
>>> + type: boolean
>>> + description:
>>> + Whether to disable FIFO. If FIFO is turned on, it will be interrupted
>>> + only when the FIFO depth is reached, which can reduce the frequency
>>> + of interruption.
>>> + default: false
>>
>> Drop
>
> It's a hardware FIFO instead of software.
> Is it unnecessary in this file?
> If is, why dma can be written in dt-binding.
Because of what I asked earlier. Which 'dma' property are you asking
about? 'use-dma'? There was rationale provided in favor. I would be more
than happy to see similar rationale here.
Best regards,
Krzysztof
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