arm64: dts: exynos990: Add CMU_PERIS and MCT nodes

CMU_PERIS is a new clock controller that clocks the MCT. The MCT has 9
timers (1x count-up global timer, 8x count-down CPU local).
The global timer generates 4 interrupts, and each local timer
generates one interrupt. So, in total 12 interrupts.

Signed-off-by: Igor Belwon <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

arch/arm64/boot/dts/exynos/exynos990.dtsi

···
 			reg = <0x10000000 0x100>;
 		};
 
+		cmu_peris: clock-controller@10020000 {
+			compatible = "samsung,exynos990-cmu-peris";
+			reg = <0x10020000 0x8000>;
+			#clock-cells = <1>;
+
+			clocks = <&oscclk>,
+				 <&cmu_top CLK_DOUT_CMU_PERIS_BUS>;
+			clock-names = "oscclk", "bus";
+		};
+
+		timer@10040000 {
+			compatible = "samsung,exynos990-mct",
+				     "samsung,exynos4210-mct";
+			reg = <0x10040000 0x800>;
+			clocks = <&oscclk>, <&cmu_peris CLK_GOUT_PERIS_MCT_PCLK>;
+			clock-names = "fin_pll", "mct";
+			interrupts = <GIC_SPI 466 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 467 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 468 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 469 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 470 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 471 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 472 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 473 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 474 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 475 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 476 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 477 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		gic: interrupt-controller@10101000 {
 			compatible = "arm,gic-400";
 			reg = <0x10101000 0x1000>,