Add DT Binding doc for the Unique ID of i.MX 8M series.
Signed-off-by: Alice Guo <alice.guo@xxxxxxx>
---
.../devicetree/bindings/arm/fsl.yaml | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index e4db0f9ed664..0419f078502b 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -901,6 +901,39 @@ properties:
- fsl,s32v234-evb # S32V234-EVB2 Customer Evaluation Board
- const: fsl,s32v234
+ soc:
+ description:
+ i.MX8M Family SoC must provide a soc node in the root of the device tree,
+ representing the System-on-Chip since these test chips are rather complex.
+ type: object
+ properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: fsl,imx8mm-soc
+ - const: simple-bus
+ - items:
+ - const: fsl,imx8mn-soc
+ - const: simple-bus
+ - items:
+ - const: fsl,imx8mp-soc
+ - const: simple-bus
+ - items:
+ - const: fsl,imx8mq-soc
+ - const: simple-bus
+
+ nvmem-cells:
+ maxItems: 1
+ description: Phandle to the SOC Unique ID provided by a nvmem node
+
+ nvmem-cells-names:
+ const: soc_unique_id
+
+ required:
+ - compatible
+ - nvmem-cells
+ - nvmem-cell-names
+
additionalProperties: true
...
--
2.17.1
