diff mbox series

[v2,1/3] dt-bindings: nvmem: add fsl,layerscape-sfp binding

Message ID 20220214115529.662948-2-michael@walle.cc (mailing list archive)
State New, archived
Headers show
Series nvmem: add Layerscape SFP support | expand

Commit Message

Michael Walle Feb. 14, 2022, 11:55 a.m. UTC 
The Security Fuse Processor provides efuses and is responsible for
reading it at SoC startup and configuring it accordingly.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../bindings/nvmem/fsl,layerscape-sfp.yaml    | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
new file mode 100644
index 000000000000..80914b93638e
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
@@ -0,0 +1,38 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/fsl,layerscape-sfp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Layerscape Security Fuse Processor
+
+maintainers:
+  - Michael Walle <michael@walle.cc>
+
+description: |
+  SFP is the security fuse processor which among other things provide a
+  unique identifier per part.
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - fsl,ls1028a-sfp
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    efuse@1e80000 {
+        compatible = "fsl,ls1028a-sfp";
+        reg = <0x1e80000 0x8000>;
+    };