linux-kernel - Re: [PATCH 13/25] ASoC: dt-bindings: meson: axg-pdm: document 'sysrate' property

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Message-ID: <54e924ae-4d45-4337-aeae-32eebe773b63@salutedevices.com>
Date: Sun, 17 Mar 2024 19:35:06 +0300
From: Jan Dakinevich <jan.dakinevich@...utedevices.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Neil Armstrong
	<neil.armstrong@...aro.org>, Jerome Brunet <jbrunet@...libre.com>, Michael
 Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>, Kevin Hilman <khilman@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Liam Girdwood
	<lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Linus Walleij
	<linus.walleij@...aro.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai
	<tiwai@...e.com>, <linux-amlogic@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<alsa-devel@...a-project.org>, <linux-sound@...r.kernel.org>,
	<linux-gpio@...r.kernel.org>
CC: <kernel@...utedevices.com>
Subject: Re: [PATCH 13/25] ASoC: dt-bindings: meson: axg-pdm: document
 'sysrate' property



On 3/17/24 19:27, Krzysztof Kozlowski wrote:
> On 17/03/2024 16:55, Jan Dakinevich wrote:
>>
>>
>> On 3/15/24 13:00, Krzysztof Kozlowski wrote:
>>> On 15/03/2024 00:21, Jan Dakinevich wrote:
>>>> This option allow to redefine the rate of DSP system clock.
>>>
>>> And why is it suitable for bindings? Describe the hardware, not what you
>>> want to do in the driver.
>>>
>>
>> What do you mean? I am adding some new property and should describe it
>> in dt-bindinds. Isn't it?
> 
> No, if the property is not suitable for bindings, you should not add it
> in the first place. So again: explain what sort of hardware, not driver,
> problem you are solving here, so we can understand why do you need new
> property. Otherwise use existing properties or no properties, because we
> do not define all possible clocks in the bindings.
> 
> Let's be clear: with such commit msg explanation as you have, my answer
> is: no, driver should set clock frequency and you do not need this
> property at all.
> 

Could you please take a look on answer to "Jerome Brunet
<jbrunet@...libre.com>"'s message on the same thread. There, I am trying
to explain what I am solving by this commit.

I would be happy to avoid this w/a, but currently this is the best I
came up with.

> Best regards,
> Krzysztof
> 

-- 
Best regards
Jan Dakinevich