linux-kernel - Re: [PATCH v2 2/3] media: ov5675: add device-tree support

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Message-ID: <YnU3umQnJxvYFmCg@valkosipuli.retiisi.eu>
Date:   Fri, 6 May 2022 17:59:06 +0300
From:   Sakari Ailus <sakari.ailus@....fi>
To:     Jacopo Mondi <jacopo@...ndi.org>
Cc:     Quentin Schulz <quentin.schulz@...obroma-systems.com>,
        Quentin Schulz <foss+kernel@...il.net>, shawnx.tu@...el.com,
        mchehab@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] media: ov5675: add device-tree support

Hi Jacopo,

On Fri, May 06, 2022 at 04:43:00PM +0200, Jacopo Mondi wrote:
> My understanding is that "clock-frequency" is
> an ACPI leftover that has been brought into some DT bindings as an
> historical mistake. OF can work well with the common clock framework,
> there's no need to introduce a property for the same purpose.

The other way around actually. It was first used on DT but it's no longer
the perferred way to set the frequency there. On ACPI it simply indicates
the frequency without an ability to set it.

-- 
Sakari Ailus