riscv: dts: thead: Add device tree VO clock controller

VO clocks reside in a different address space from the AP clocks on the
T-HEAD SoC. Add the device tree node of a clock-controller to handle
VO address space as well.

Reviewed-by: Drew Fustini <[email protected]>
Signed-off-by: Michal Wilczynski <[email protected]>
Signed-off-by: Drew Fustini <[email protected]>

Author: Michal Wilczynski

arch/riscv/boot/dts/thead/th1520.dtsi

@@ -503,6 +503,13 @@
 			#reset-cells = <1>;
 		};
 
+		clk_vo: clock-controller@ffef528050 {
+			compatible = "thead,th1520-clk-vo";
+			reg = <0xff 0xef528050 0x0 0xfb0>;
+			clocks = <&clk CLK_VIDEO_PLL>;
+			#clock-cells = <1>;
+		};
+
 		dmac0: dma-controller@ffefc00000 {
 			compatible = "snps,axi-dma-1.01a";
 			reg = <0xff 0xefc00000 0x0 0x1000>;