3 files changed, 75 insertions, 19 deletions
diff --git a/dts/Bindings/devfreq/event/rockchip,dfi.yaml b/dts/Bindings/devfreq/event/rockchip,dfi.yaml
new file mode 100644
index 0000000000..50d3fabe95
--- /dev/null
+++ b/dts/Bindings/devfreq/event/rockchip,dfi.yaml
@@ -0,0 +1,74 @@
+# 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 <s.hauer@pengutronix.de>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3399-dfi
+      - rockchip,rk3568-dfi
+      - rockchip,rk3588-dfi
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: pclk_ddr_mon
+
+  interrupts:
+    minItems: 1
+    maxItems: 4
+
+  reg:
+    maxItems: 1
+
+  rockchip,pmu:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the syscon managing the "PMU general register files".
+
+required:
+  - compatible
+  - interrupts
+  - reg
+
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - rockchip,rk3399-dfi
+
+then:
+  required:
+    - clocks
+    - clock-names
+
+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";
+      };
+    };
diff --git a/dts/Bindings/devfreq/event/rockchip-dfi.txt b/dts/Bindings/devfreq/event/rockchip-dfi.txt
deleted file mode 100644
index 148191b0fc..0000000000
--- a/dts/Bindings/devfreq/event/rockchip-dfi.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-
-* Rockchip rk3399 DFI device
-
-Required properties:
-- compatible: Must be "rockchip,rk3399-dfi".
-- reg: physical base address of each DFI and length of memory mapped region
-- rockchip,pmu: phandle to the syscon managing the "pmu general register files"
-- clocks: phandles for clock specified in "clock-names" property
-- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon";
-
-Example:
-	dfi: dfi@ff630000 {
-		compatible = "rockchip,rk3399-dfi";
-		reg = <0x00 0xff630000 0x00 0x4000>;
-		rockchip,pmu = <&pmugrf>;
-		clocks = <&cru PCLK_DDR_MON>;
-		clock-names = "pclk_ddr_mon";
-	};
diff --git a/dts/Bindings/devfreq/event/samsung,exynos-ppmu.yaml b/dts/Bindings/devfreq/event/samsung,exynos-ppmu.yaml
index e300df4b47..d27dcb2fef 100644
--- a/dts/Bindings/devfreq/event/samsung,exynos-ppmu.yaml
+++ b/dts/Bindings/devfreq/event/samsung,exynos-ppmu.yaml
@@ -18,7 +18,7 @@ description: |
   each IP (DMC, CPU, RIGHTBUS, LEFTBUS, CAM interface, LCD, G3D, MFC).  The
   Exynos PPMU driver uses the devfreq-event class to provide event data to
   various devfreq devices. The devfreq devices would use the event data when
-  derterming the current state of each IP.
+  determining the current state of each IP.
 
 properties:
   compatible: