ARM: dts: at91: sama7g5: add opps

Add OPPs for SAMA7G5 along with clock for CPU.
Signed-off-by: NClaudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: NNicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220113144900.906370-9-claudiu.beznea@microchip.com

arch/arm/boot/dts/sama7g5.dtsi

@@ -30,6 +30,44 @@
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0x0>;
+			clocks = <&pmc PMC_TYPE_CORE PMC_CPUPLL>;
+			clock-names = "cpu";
+			operating-points-v2 = <&cpu_opp_table>;
+		};
+	};
+
+	cpu_opp_table: opp-table {
+		compatible = "operating-points-v2";
+
+		opp-90000000 {
+			opp-hz = /bits/ 64 <90000000>;
+			opp-microvolt = <1050000 1050000 1225000>;
+			clock-latency-ns = <320000>;
+		};
+
+		opp-250000000 {
+			opp-hz = /bits/ 64 <250000000>;
+			opp-microvolt = <1050000 1050000 1225000>;
+			clock-latency-ns = <320000>;
+		};
+
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-microvolt = <1050000 1050000 1225000>;
+			clock-latency-ns = <320000>;
+			opp-suspend;
+		};
+
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <1150000 1125000 1225000>;
+			clock-latency-ns = <320000>;
+		};
+
+		opp-1000000002 {
+			opp-hz = /bits/ 64 <1000000002>;
+			opp-microvolt = <1250000 1225000 1300000>;
+			clock-latency-ns = <320000>;
 		};
 	};