linux-kernel - Re: [PATCH v5 2/2] dt-bindings: mediatek: mt6359: add codec document

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Message-ID: <20200819194005.GC38371@sirena.org.uk>
Date:   Wed, 19 Aug 2020 20:40:05 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Tzung-Bi Shih <tzungbi@...gle.com>
Cc:     Jiaxin Yu <jiaxin.yu@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Takashi Iwai <tiwai@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ALSA development <alsa-devel@...a-project.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, howie.huang@...iatek.com,
        eason.yen@...iatek.com, shane.chien@...iatek.com,
        bicycle.tsai@...iatek.com
Subject: Re: [PATCH v5 2/2] dt-bindings: mediatek: mt6359: add codec document

On Wed, Aug 19, 2020 at 11:42:27PM +0800, Tzung-Bi Shih wrote:

> But I found struct mfd_cell also contains member .of_compatible.  What
> is the difference if we use compatible string (as is) for this device
> instead of falling back to use device name to match?

That's for binding the MFD subdevice to an OF node, you don't need to do
that for a device like this - you can just use the of_node of the parent
to get at the properties.

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