netdev - [PATCH 3/4] dt-bindings: mmc: imx-esdhc: introduce nvmem property

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Message-Id: <20220324042024.26813-4-peng.fan@oss.nxp.com>
Date:   Thu, 24 Mar 2022 12:20:23 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     ulf.hansson@...aro.org, robh+dt@...nel.org, krzk+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, wg@...ndegger.com,
        mkl@...gutronix.de, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, qiangqing.zhang@....com
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH 3/4] dt-bindings: mmc: imx-esdhc: introduce nvmem property

From: Peng Fan <peng.fan@....com>

To i.MX8M Family variants, sdhc maybe fused out. Bootloader could use
this property to read out the fuse value and mark the node status
at runtime.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
index 7dbbcae9485c..67dfe6d168d0 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
@@ -57,6 +57,15 @@ properties:
   interrupts:
     maxItems: 1
 
+  nvmem-cells:
+    maxItems: 1
+    description:
+      Nvmem data cell that indicate whether this IP is fused or not.
+
+  nvmem-cell-names:
+    items:
+      - const: fused
+
   fsl,wp-controller:
     description: |
       boolean, if present, indicate to use controller internal write protection.
-- 
2.35.1