dt-bindings: clock: actions,owl-cmu: convert to YAML

Convert the Actions Semi Owl CMU bindings to DT schema.

Changes during conversion:
 - Since all Actions Semi Owl SoCs utilize the internal low frequency
   oscillator as a parent for some clocks, require it.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241114072601.265011-1-ivo.ivanov.ivanov1@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: ivoszbg

Documentation/devicetree/bindings/clock/actions,owl-cmu.txt

@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/actions,owl-cmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Actions Semi Owl Clock Management Unit (CMU)
+
+maintainers:
+  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+description: |
+  The Actions Semi Owl Clock Management Unit generates and supplies clock
+  to various controllers within the SoC.
+
+  See also:
+    include/dt-bindings/clock/actions,s500-cmu.h
+    include/dt-bindings/clock/actions,s700-cmu.h
+    include/dt-bindings/clock/actions,s900-cmu.h
+
+properties:
+  compatible:
+    enum:
+      - actions,s500-cmu
+      - actions,s700-cmu
+      - actions,s900-cmu
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Host oscillator source
+      - description: Internal low frequency oscillator source
+
+  "#clock-cells":
+    const: 1
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - "#clock-cells"
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@e0160000 {
+        compatible = "actions,s900-cmu";
+        reg = <0xe0160000 0x1000>;
+        clocks = <&hosc>, <&losc>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };
+...

Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml

@@ -1996,7 +1996,7 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:	linux-actions@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/arm/actions.yaml
-F:	Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
+F:	Documentation/devicetree/bindings/clock/actions,owl-cmu.yaml
 F:	Documentation/devicetree/bindings/dma/owl-dma.yaml
 F:	Documentation/devicetree/bindings/i2c/i2c-owl.yaml
 F:	Documentation/devicetree/bindings/interrupt-controller/actions,owl-sirq.yaml