dt-bindings: devfreq: event: convert Rockchip DFI binding to yaml

Convert the Rockchip DFI binding to yaml.

Link: https://lore.kernel.org/all/[email protected]/
Reviewed-by: Rob Herring <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Acked-by: Chanwoo Choi <[email protected]>
Signed-off-by: Sascha Hauer <[email protected]>
Signed-off-by: Chanwoo Choi <[email protected]>

Author: saschahauer

Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml

@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/devfreq/event/rockchip,dfi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip DFI
+
+maintainers:
+  - Sascha Hauer <[email protected]>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3399-dfi
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: pclk_ddr_mon
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  rockchip,pmu:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the syscon managing the "PMU general register files".
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - interrupts
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/rk3308-cru.h>
+
+    bus {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      dfi: dfi@ff630000 {
+        compatible = "rockchip,rk3399-dfi";
+        reg = <0x00 0xff630000 0x00 0x4000>;
+        interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH 0>;
+        rockchip,pmu = <&pmugrf>;
+        clocks = <&cru PCLK_DDR_MON>;
+        clock-names = "pclk_ddr_mon";
+      };
+    };

Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt

@@ -18,7 +18,7 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
       Node to get DDR loading. Refer to
-      Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt.
+      Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml.
 
   clocks:
     maxItems: 1