1 files changed, 62 insertions, 0 deletions
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..3b4e6e94cb81
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml
@@ -0,0 +1,62 @@
+# 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 provides a
+  unique identifier per part.
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - description: Trust architecture 2.1 SFP
+        items:
+          - const: fsl,ls1021a-sfp
+      - description: Trust architecture 3.0 SFP
+        items:
+          - const: fsl,ls1028a-sfp
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+    description:
+      The SFP clock. Typically, this is the platform clock divided by 4.
+
+  clock-names:
+    const: sfp
+
+  ta-prog-sfp-supply:
+    description:
+      The regulator for the TA_PROG_SFP pin. It will be enabled for programming
+      and disabled for reading.
+
+required:
+  - compatible
+  - reg
+  - clock-names
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
+    efuse@1e80000 {
+        compatible = "fsl,ls1028a-sfp";
+        reg = <0x1e80000 0x8000>;
+        clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+                            QORIQ_CLK_PLL_DIV(4)>;
+        clock-names = "sfp";
+    };