From: Adam Ford <aford173@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: arm-soc <linux-arm-kernel@lists.infradead.org>,
Adam Ford-BE <aford@beaconembedded.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
linux-mmc <linux-mmc@vger.kernel.org>,
devicetree <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] dt-bindings: mmc: imx-esdhc: Change imx8mn and imx8mp compatible fallback
Date: Wed, 23 Mar 2022 09:00:57 -0500 [thread overview]
Message-ID: <CAHCN7x+RLAFnES8b3UMoc6n69ZVSFGOmAZyMeeY1g3aoiDNbZg@mail.gmail.com> (raw)
In-Reply-To: <35f58894-ed6d-0af0-e483-7a161ad6625a@kernel.org>
On Wed, Mar 23, 2022 at 8:56 AM Krzysztof Kozlowski <krzk@kernel.org> wrote:
>
> On 23/03/2022 14:40, Adam Ford wrote:
> > The SDHC controller in the imx8mn and imx8mp have the same controller
> > as the imx8mm which is slightly different than that of the imx7d.
> > Using the fallback of the imx8mm enables the controllers to support
> > HS400-ES which is not available on the imx7d.
> >
> > Signed-off-by: Adam Ford <aford173@gmail.com>
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> > index 7dbbcae9485c..d6ea73d76bdd 100644
> > --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> > +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> > @@ -39,14 +39,14 @@ properties:
> > - items:
> > - enum:
> > - fsl,imx8mm-usdhc
>
> Your change looks reasonable, but why imx8mm is compatible with imx7d?
I saw that, and I wasn't sure the best way to go about fixing it. If
I move the 8mm out of the imx7d category, do I need to add it to the
enum list associated with the imx8mm, or can I just delete it from the
enum leaving the const for imx8mm good enough?
I am not very good with YAML files yet, so please forgive my ignorance.
adam
>
> > - - fsl,imx8mn-usdhc
> > - - fsl,imx8mp-usdhc
> > - fsl,imx8mq-usdhc
> > - fsl,imx8qm-usdhc
> > - fsl,imx8qxp-usdhc
> > - const: fsl,imx7d-usdhc
> > - items:
> > - enum:
> > + - fsl,imx8mn-usdhc
> > + - fsl,imx8mp-usdhc
> > - fsl,imx93-usdhc
> > - fsl,imx8ulp-usdhc
> > - const: fsl,imx8mm-usdhc
>
>
> Best regards,
> Krzysztof
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next prev parent reply other threads:[~2022-03-23 14:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-23 13:40 [PATCH 1/3] dt-bindings: mmc: imx-esdhc: Change imx8mn and imx8mp compatible fallback Adam Ford
2022-03-23 13:40 ` [PATCH 2/3] arm64: dts: imx8mn: Enable HS400-ES Adam Ford
2022-03-23 13:40 ` [PATCH 3/3] arm64: dts: imx8mp: " Adam Ford
2022-03-23 13:56 ` [PATCH 1/3] dt-bindings: mmc: imx-esdhc: Change imx8mn and imx8mp compatible fallback Krzysztof Kozlowski
2022-03-23 14:00 ` Adam Ford [this message]
2022-03-23 14:11 ` Krzysztof Kozlowski
2022-03-23 17:23 ` Adam Ford
2022-03-24 2:54 ` Bough Chen
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