linux-kernel - [PATCH v1 1/3] dt-bindings: nvmem: add fsl,layerscape-sfp binding

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Date:   Thu, 27 Jan 2022 17:37:26 +0100
From:   Michael Walle <michael@...le.cc>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH v1 1/3] dt-bindings: nvmem: add fsl,layerscape-sfp binding

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@...le.cc>
---
 .../bindings/nvmem/fsl,layerscape-sfp.yaml    | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml

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@...le.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@...0000 {
+        compatible = "fsl,ls1028a-sfp";
+        reg = <0x1e80000 0x8000>;
+    };
-- 
2.30.2