ARM: dts: rockchip: move and restyle grf nodes rk3066/rk3188

With grf.txt converted to YAML a lot of compatibles
did not have 'simple-mfd' added in the old binding.
That implies that if you have child nodes they need
to be documented.
Make the new layout fit for rk3066/rk3188,
move and restyle the grf nodes.
Remove rockchip,grf from usbphy node.
Add "#phy-cells", because it is a required property
by phy-provider.yaml
With the conversion of syscon.yaml minItems for compatibles
was set to 2. Current Rockchip rk3xxx.dtsi file only uses "syscon"
for the grf registers. Add "syscon", "simple-mfd"
compatible for rk3066/rk3188 to reduce notifications produced with:

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/mfd/syscon.yaml

Changed compatibles:
"rockchip,rk3066-grf", "syscon", "simple-mfd"
"rockchip,rk3188-grf", "syscon", "simple-mfd"

Signed-off-by: Johan Jonker <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Heiko Stuebner <[e-mail]>

arch/arm/boot/dts/rk3066a.dtsi

···
 		status = "disabled";
 	};
 
-	usbphy: phy {
-		compatible = "rockchip,rk3066a-usb-phy", "rockchip,rk3288-usb-phy";
-		rockchip,grf = <&grf>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-		status = "disabled";
-
-		usbphy0: usb-phy@17c {
-			#phy-cells = <0>;
-			reg = <0x17c>;
-			clocks = <&cru SCLK_OTGPHY0>;
-			clock-names = "phyclk";
-			#clock-cells = <0>;
-		};
-
-		usbphy1: usb-phy@188 {
-			#phy-cells = <0>;
-			reg = <0x188>;
-			clocks = <&cru SCLK_OTGPHY1>;
-			clock-names = "phyclk";
-			#clock-cells = <0>;
-		};
-	};
-
 	pinctrl: pinctrl {
 		compatible = "rockchip,rk3066a-pinctrl";
 		rockchip,grf = <&grf>;
···
 			  "pp3",
 			  "ppmmu3";
 	power-domains = <&power RK3066_PD_GPU>;
+};
+
+&grf {
+	compatible = "rockchip,rk3066-grf", "syscon", "simple-mfd";
+
+	usbphy: usbphy {
+		compatible = "rockchip,rk3066a-usb-phy",
+			     "rockchip,rk3288-usb-phy";
+		#phy-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+
+		usbphy0: usb-phy@17c {
+			reg = <0x17c>;
+			clocks = <&cru SCLK_OTGPHY0>;
+			clock-names = "phyclk";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
+		};
+
+		usbphy1: usb-phy@188 {
+			reg = <0x188>;
+			clocks = <&cru SCLK_OTGPHY1>;
+			clock-names = "phyclk";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
+		};
+	};
 };
 
 &i2c0 {

arch/arm/boot/dts/rk3188.dtsi

···
 		};
 	};
 
-	usbphy: phy {
-		compatible = "rockchip,rk3188-usb-phy", "rockchip,rk3288-usb-phy";
-		rockchip,grf = <&grf>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-		status = "disabled";
-
-		usbphy0: usb-phy@10c {
-			#phy-cells = <0>;
-			reg = <0x10c>;
-			clocks = <&cru SCLK_OTGPHY0>;
-			clock-names = "phyclk";
-			#clock-cells = <0>;
-		};
-
-		usbphy1: usb-phy@11c {
-			#phy-cells = <0>;
-			reg = <0x11c>;
-			clocks = <&cru SCLK_OTGPHY1>;
-			clock-names = "phyclk";
-			#clock-cells = <0>;
-		};
-	};
-
 	pinctrl: pinctrl {
 		compatible = "rockchip,rk3188-pinctrl";
 		rockchip,grf = <&grf>;
···
 			  "pp3",
 			  "ppmmu3";
 	power-domains = <&power RK3188_PD_GPU>;
+};
+
+&grf{
+	compatible = "rockchip,rk3188-grf", "syscon", "simple-mfd";
+
+	usbphy: usbphy {
+		compatible = "rockchip,rk3188-usb-phy",
+			     "rockchip,rk3288-usb-phy";
+		#phy-cells = <0>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+
+		usbphy0: usb-phy@10c {
+			reg = <0x10c>;
+			clocks = <&cru SCLK_OTGPHY0>;
+			clock-names = "phyclk";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
+		};
+
+		usbphy1: usb-phy@11c {
+			reg = <0x11c>;
+			clocks = <&cru SCLK_OTGPHY1>;
+			clock-names = "phyclk";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
+		};
+	};
 };
 
 &i2c0 {

arch/arm/boot/dts/rk3xxx.dtsi

···
 	};
 
 	grf: grf@20008000 {
-		compatible = "syscon";
+		compatible = "syscon", "simple-mfd";
 		reg = <0x20008000 0x200>;
 	};