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From: "S.j. Wang" <shengjiu.wang@nxp.com>
To: Rob Herring <robh@kernel.org>, "nicoleotsuka@gmail.com"
 <nicoleotsuka@gmail.com>
Subject: Re: [alsa-devel] [PATCH V2 1/2] ASoC: dt-bindings: fsl_asrc: add
 compatible string for imx8qm
Thread-Topic: [alsa-devel] [PATCH V2 1/2] ASoC: dt-bindings: fsl_asrc: add
 compatible string for imx8qm
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Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
 "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
 "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
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 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

Hi Rob, Nicolin

>=20
> Hi Rob
> >
> > On Wed, Oct 30, 2019 at 07:41:26PM +0800, Shengjiu Wang wrote:
> > > In order to support the two asrc modules in imx8qm, we need to add
> > > compatible string "fsl,imx8qm-asrc0" and "fsl,imx8qm-asrc1"
> >
> > Are the blocks different in some way?
> >
> > If not, why do you need to distinguish them?
> >
> The internal clock mapping is different for each module.
>=20
> Or we can use one compatible string, but need add another property
> "fsl,asrc-clk-map" to distinguish the different clock map.
>=20
> The change is in below.
>=20
> Which one do you think is better?
>=20
> Required properties:
>=20
> -  - compatible         : Contains "fsl,imx35-asrc" or "fsl,imx53-asrc".
> +  - compatible         : Contains "fsl,imx35-asrc", "fsl,imx53-asrc",
> +                         "fsl,imx8qm-asrc".
>=20
>    - reg                        : Offset and length of the register set f=
or the device.
>=20
> @@ -35,6 +36,11 @@ Required properties:
>=20
>     - fsl,asrc-width    : Defines a mutual sample width used by DPCM Back
> Ends.
>=20
> +   - fsl,asrc-clk-map   : Defines clock map used in driver. which is req=
uired
> +                         by imx8qm
> +                         <0> - select the map for asrc0
> +                         <1> - select the map for asrc1
> +
>  Optional properties:
>=20

I will do a update for this change in v3.

Best regards
Wang shengjiu