marvell/linux/arch/arm/boot/dts/asr1901_tee.dtsi

/ {
	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex";
			reg = <0 0x0>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_C2 &CHIP_D1P &CHIP_D1>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex";
			reg = <0 0x1>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_C2 &CHIP_D1P &CHIP_D1>;
		};


		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex";
			reg = <0 0x2>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_C2 &CHIP_D1P &CHIP_D1>;
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex";
			reg = <0 0x3>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_C2 &CHIP_D1P &CHIP_D1>;
		};

		idle-states {
			entry-method = "psci";

			CPU_C1: cpu-c1 {
				compatible = "arm,idle-state";
				arm,psci-suspend-param = <0x0000002>;
				entry-latency-us = <9>;
				exit-latency-us = <9>;
				min-residency-us = <36>;
			};

			CPU_C2: cpu-c2 {
				compatible = "arm,idle-state";
				local-timer-stop;
				arm,psci-suspend-param = <0x0010005>;
				entry-latency-us = <175>;
				exit-latency-us = <175>;
				min-residency-us = <700>;
			};

			CHIP_D1P: chip-d1p {
				compatible = "arm,idle-state";
				local-timer-stop;
				arm,psci-suspend-param = <0x2010355>;
				entry-latency-us = <250>;
				exit-latency-us = <250>;
				min-residency-us = <1200>;
				wakeup-latency-us = <500>;
			};

			CHIP_D1: chip-d1 {
				compatible = "arm,idle-state";
				local-timer-stop;
				arm,psci-suspend-param = <0x2010455>;
				entry-latency-us = <300>;
				exit-latency-us = <300>;
				min-residency-us = <1200>;
				wakeup-latency-us = <600>;
			};
		};
	};

	psci {
		compatible      = "arm,psci-1.0";
		method          = "smc";
		cpu_suspend     = <0xc4000001>;
		cpu_off         = <0x84000002>;
		cpu_on          = <0xc4000003>;
	};

	optee-loglevel {
		compatible = "asr,log-level";
		status = "ok";
	};

	firmware {
		optee {
			compatible = "linaro,optee-tz";
			method = "smc";
		};
	};
};