[PATCH v3 19/19] dt-bindings: devfreq: event: rockchip,dfi: Add rk3568 support

[Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>]

This adds rockchip,rk3568-dfi compatible to the binding. Make clocks
optional for this SoC as the RK3568 doesn't have a kernel controllable
PCLK.

Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
 .../bindings/devfreq/event/rockchip,dfi.yaml      | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml b/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml
index 7a82f6ae0701e..e8b64494ee8bd 100644
--- a/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml
+++ b/Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml
@@ -13,6 +13,7 @@ properties:
   compatible:
     enum:
       - rockchip,rk3399-dfi
+      - rockchip,rk3568-dfi
 
   clocks:
     maxItems: 1
@@ -34,11 +35,21 @@ properties:
 
 required:
   - compatible
-  - clocks
-  - clock-names
   - interrupts
   - reg
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - rockchip,rk3399-dfi
+
+then:
+  required:
+    - clocks
+    - clock-names
+
 additionalProperties: false
 
 examples:
-- 
2.30.2