arm64: dts: mediatek: mt6795: Add VDECSYS and VENCSYS clocks

In prepration for adding the IOMMUs and LARBs of this SoC, add the
VDECSYS and VENCSYS clock controller nodes, providing clocks for the
vcodec stateful decoder and stateful decoder hardware.

Signed-off-by: AngeloGioacchino Del Regno <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Matthias Brugger <[email protected]>

Author: AngeloGioacchino Del Regno

arch/arm64/boot/dts/mediatek/mt6795.dtsi

@@ -624,5 +624,17 @@
 			clock-names = "source", "hclk";
 			status = "disabled";
 		};
+
+		vdecsys: clock-controller@16000000 {
+			compatible = "mediatek,mt6795-vdecsys";
+			reg = <0 0x16000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		vencsys: clock-controller@18000000 {
+			compatible = "mediatek,mt6795-vencsys";
+			reg = <0 0x18000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
 	};
 };