linux-kernel - [PATCH 1/5] dt-bindings: mmc: imx-esdhc: Update compatible fallbacks

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Message-Id: <20220327123835.28329-1-aford173@gmail.com>
Date:   Sun, 27 Mar 2022 07:38:30 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-mmc@...r.kernel.org
Cc:     haibo.chen@....com, aford@...conembedded.com,
        Adam Ford <aford173@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] dt-bindings: mmc: imx-esdhc: Update compatible fallbacks

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. After discussion with NXP,
it turns out that the imx8qm should fall back to the imx8qxp, because
those have some additional flags not present in the imx8mm.

Suggested-by: haibo.chen@....com
Signed-off-by: Adam Ford <aford173@...il.com>
---
V2:  Added suggested-by note and imx8qxp updates.
---
 .../devicetree/bindings/mmc/fsl-imx-esdhc.yaml   | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
index 7dbbcae9485c..1427e9b5a6ec 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
@@ -34,23 +34,25 @@ properties:
           - fsl,imx6ull-usdhc
           - fsl,imx7d-usdhc
           - fsl,imx7ulp-usdhc
+          - fsl,imx8mm-usdhc
+          - fsl,imx8qxp-usdhc
           - fsl,imxrt1050-usdhc
           - nxp,s32g2-usdhc
       - items:
           - enum:
-              - fsl,imx8mm-usdhc
-              - fsl,imx8mn-usdhc
-              - fsl,imx8mp-usdhc
               - fsl,imx8mq-usdhc
-              - fsl,imx8qm-usdhc
-              - fsl,imx8qxp-usdhc
           - const: fsl,imx7d-usdhc
       - items:
           - enum:
-              - fsl,imx93-usdhc
+              - fsl,imx8mn-usdhc
+              - fsl,imx8mp-usdhc
               - fsl,imx8ulp-usdhc
+              - fsl,imx93-usdhc
           - const: fsl,imx8mm-usdhc
-
+      - items:
+          - enum:
+              - fsl,imx8qm-usdhc
+          - const: fsl,imx8qxp-usdhc
   reg:
     maxItems: 1
 
-- 
2.34.1