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Subject[PATCH v7 1/4] dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID
Date
From: Alice Guo <alice.guo@nxp.com>

Add DT Binding doc for the Unique ID of i.MX 8M series.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
---

Changes for v7:
- change to a separate schema file
Changes for v6:
- none
Changes for v5:
- correct the error of using allOf
Changes for v4:
- use allOf to limit new version DTS files for i.MX8M to include
"fsl,imx8m*-soc", nvmem-cells and nvmem-cells-names
Changes for v3:
- put it into Documentation/devicetree/bindings/arm/fsl.yaml
- modify the description of nvmem-cells
- use "make ARCH=arm64 dtbs_check" to make sure it is right
Changes for v2:
- remove the subject prefix "LF-2571-1"

.../bindings/soc/imx/imx8m-soc.yaml | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml

diff --git a/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml b/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml
new file mode 100644
index 000000000000..a2f7dc0c9b35
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/imx8m-soc.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/imx8m-soc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8M Series SoC
+
+maintainers:
+ - Alice Guo <alice.guo@nxp.com>
+
+description: |
+ NXP i.MX8M series SoCs contain fuse entries from which SoC Unique ID can be
+ obtained.
+
+select:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,imx8mm
+ - fsl,imx8mn
+ - fsl,imx8mp
+ - fsl,imx8mq
+ required:
+ - compatible
+
+properties:
+ soc:
+ type: object
+ properties:
+ compatible:
+ items:
+ - enum:
+ - fsl,imx8mm-soc
+ - fsl,imx8mn-soc
+ - fsl,imx8mp-soc
+ - 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
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