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

Message ID 20220324042024.26813-4-peng.fan@oss.nxp.com (mailing list archive)
State New, archived
Headers show
Series dt-bindings: imx: add nvmem property | expand

Commit Message

Peng Fan (OSS) March 24, 2022, 4:20 a.m. UTC 
From: Peng Fan <peng.fan@nxp.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@nxp.com>
---
 Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

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.