dt-bindings: net: rockchip-dwmac: add rk3568 compatible string

Add compatible string for RK3568 gmac, and constrain it to
be compatible with Synopsys dwmac 4.20a.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index 34a660ad6b30d224bdcc0ccf49228274a82e6fc2..083623c8d718111df59bf2c0f5bdb3b97dd557ff 100644 (file)
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -24,6 +24,7 @@ select:
           - rockchip,rk3366-gmac
           - rockchip,rk3368-gmac
           - rockchip,rk3399-gmac
+          - rockchip,rk3568-gmac
           - rockchip,rv1108-gmac
   required:
     - compatible
@@ -33,18 +34,23 @@ allOf:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - rockchip,px30-gmac
-          - rockchip,rk3128-gmac
-          - rockchip,rk3228-gmac
-          - rockchip,rk3288-gmac
-          - rockchip,rk3308-gmac
-          - rockchip,rk3328-gmac
-          - rockchip,rk3366-gmac
-          - rockchip,rk3368-gmac
-          - rockchip,rk3399-gmac
-          - rockchip,rv1108-gmac
+    oneOf:
+      - items:
+          - enum:
+              - rockchip,px30-gmac
+              - rockchip,rk3128-gmac
+              - rockchip,rk3228-gmac
+              - rockchip,rk3288-gmac
+              - rockchip,rk3308-gmac
+              - rockchip,rk3328-gmac
+              - rockchip,rk3366-gmac
+              - rockchip,rk3368-gmac
+              - rockchip,rk3399-gmac
+              - rockchip,rv1108-gmac
+      - items:
+          - enum:
+              - rockchip,rk3568-gmac
+          - const: snps,dwmac-4.20a
 
   clocks:
     minItems: 5