ARM: sun7i: dt: Add pll3 and pll7 clocks

Enable pll3 and pll7 clocks that are needed by display clocks.

Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -187,6 +187,15 @@
 			clock-output-names = "osc24M";
 		};
 
+		osc3M: osc3M_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clock-div = <8>;
+			clock-mult = <1>;
+			clocks = <&osc24M>;
+			clock-output-names = "osc3M";
+		};
+
 		osc32k: clk@0 {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
@@ -211,6 +220,22 @@
 					     "pll2-4x", "pll2-8x";
 		};
 
+		pll3: clk@01c20010 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-a10-pll3-clk";
+			reg = <0x01c20010 0x4>;
+			clocks = <&osc3M>;
+			clock-output-names = "pll3";
+		};
+
+		pll3x2: pll3x2_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clock-div = <1>;
+			clock-mult = <2>;
+			clock-output-names = "pll3-2x";
+		};
+
 		pll4: clk@01c20018 {
 			#clock-cells = <0>;
 			compatible = "allwinner,sun7i-a20-pll4-clk";
@@ -236,6 +261,22 @@
 					     "pll6_div_4";
 		};
 
+		pll7: clk@01c20030 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-a10-pll3-clk";
+			reg = <0x01c20030 0x4>;
+			clocks = <&osc3M>;
+			clock-output-names = "pll7";
+		};
+
+		pll7x2: pll7x2_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-factor-clock";
+			clock-div = <1>;
+			clock-mult = <2>;
+			clock-output-names = "pll7-2x";
+		};
+
 		pll8: clk@01c20040 {
 			#clock-cells = <0>;
 			compatible = "allwinner,sun7i-a20-pll4-clk";