deleted file mode 100644
@@ -1,16 +0,0 @@
-Rockchip power-management-unit:
--------------------------------
-
-The pmu is used to turn off and on different power domains of the SoCs
-This includes the power to the CPU cores.
-
-Required node properties:
-- compatible value : = "rockchip,rk3066-pmu";
-- reg : physical base address and the size of the registers window
-
-Example:
-
- pmu@20004000 {
- compatible = "rockchip,rk3066-pmu";
- reg = <0x20004000 0x100>;
- };
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/rockchip/pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip Power Management Unit (PMU)
+
+maintainers:
+ - Elaine Zhang <zhangqing@rock-chips.com>
+ - Heiko Stuebner <heiko@sntech.de>
+
+description: |
+ The PMU is used to turn on and off different power domains of the SoCs.
+ This includes the power to the CPU cores.
+
+select:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - rockchip,rk3066-pmu
+
+ required:
+ - compatible
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - rockchip,rk3066-pmu
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: true
+
+examples:
+ - |
+ pmu@20004000 {
+ compatible = "rockchip,rk3066-pmu", "syscon", "simple-mfd";
+ reg = <0x20004000 0x100>;
+ };