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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/calxeda/hb-sregs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Calxeda Highbank system registers
+
+description: |
+  The Calxeda Highbank system has a block of MMIO registers controlling
+  several generic system aspects. Those can be used to control some power
+  management, they also contain some gate and PLL clocks.
+
+maintainers:
+  - Andre Przywara <andre.przywara@arm.com>
+
+properties:
+  compatible:
+    const: calxeda,hb-sregs
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    type: object
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    sregs@fff3c000 {
+        compatible = "calxeda,hb-sregs";
+        reg = <0xfff3c000 0x1000>;
+
+        clocks {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            osc: oscillator {
+                #clock-cells = <0>;
+                compatible = "fixed-clock";
+                clock-frequency = <33333000>;
+            };
+        };
+    };