fdts/tc.dts

/*
 * Copyright (c) 2020-2024, Arm Limited. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

/dts-v1/;

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "platform_def.h"
#include "tc_vers.dtsi"
#if TARGET_FLAVOUR_FVP
#include "tc_fvp.dtsi"
#endif /* TARGET_FLAVOUR_FVP */

/ {
	compatible = "arm,tc";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		serial0 = &os_uart;
	};

	chosen {
		stdout-path = STDOUT_PATH;
		/*
		 * Add some dummy entropy for Linux so it
		 * doesn't delay the boot waiting for it.
		 */
		rng-seed = <0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 >;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu-map {
			cluster0 {
				core0 {
					cpu = <&CPU0>;
				};
				core1 {
					cpu = <&CPU1>;
				};
				core2 {
					cpu = <&CPU2>;
				};
				core3 {
					cpu = <&CPU3>;
				};
				core4 {
					cpu = <&CPU4>;
				};
				core5 {
					cpu = <&CPU5>;
				};
				core6 {
					cpu = <&CPU6>;
				};
				core7 {
					cpu = <&CPU7>;
				};
#if TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2
				core8 {
					cpu = <&CPU8>;
				};
				core9 {
					cpu = <&CPU9>;
				};
				core10 {
					cpu = <&CPU10>;
				};
				core11 {
					cpu = <&CPU11>;
				};
				core12 {
					cpu = <&CPU12>;
				};
				core13 {
					cpu = <&CPU13>;
				};
#endif /* TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2 */
			};
		};

		/*
		 * The timings below are just to demonstrate working cpuidle.
		 * These values may be inaccurate.
		 */
		idle-states {
			entry-method = "psci";

			CPU_SLEEP_0: cpu-sleep-0 {
				compatible = "arm,idle-state";
				arm,psci-suspend-param = <0x0010000>;
				local-timer-stop;
				entry-latency-us = <300>;
				exit-latency-us = <1200>;
				min-residency-us = <2000>;
			};
			CLUSTER_SLEEP_0: cluster-sleep-0 {
				compatible = "arm,idle-state";
				arm,psci-suspend-param = <0x1010000>;
				local-timer-stop;
				entry-latency-us = <400>;
				exit-latency-us = <1200>;
				min-residency-us = <2500>;
			};
		};

		amus {
			amu: amu-0 {
				#address-cells = <1>;
				#size-cells = <0>;

				mpmm_gear0: counter@0 {
					reg = <0>;
					enable-at-el3;
				};

				mpmm_gear1: counter@1 {
					reg = <1>;
					enable-at-el3;
				};

				mpmm_gear2: counter@2 {
					reg = <2>;
					enable-at-el3;
				};
			};
		};

		CPU0:cpu@0 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x0>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 0>;
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
			capacity-dmips-mhz = <LIT_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU1:cpu@100 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x100>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 0>;
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
			capacity-dmips-mhz = <LIT_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU2:cpu@200 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x200>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
#if TARGET_PLATFORM <= 2
			clocks = <&scmi_dvfs 0>;
			capacity-dmips-mhz = <LIT_CAPACITY>;
#elif TARGET_PLATFORM == 3
			clocks = <&scmi_dvfs 1>;
			capacity-dmips-mhz = <MID_CAPACITY>;
#endif /* TARGET_PLATFORM == 3 */
			amu = <&amu>;
			supports-mpmm;
		};

		CPU3:cpu@300 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x300>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
#if TARGET_PLATFORM <= 2
			clocks = <&scmi_dvfs 0>;
			capacity-dmips-mhz = <LIT_CAPACITY>;
#elif TARGET_PLATFORM == 3
			clocks = <&scmi_dvfs 1>;
			capacity-dmips-mhz = <MID_CAPACITY>;
#endif /* TARGET_PLATFORM == 3 */
			amu = <&amu>;
			supports-mpmm;
		};

		CPU4:cpu@400 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x400>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 1>;
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
			capacity-dmips-mhz = <MID_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU5:cpu@500 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x500>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 1>;
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
			capacity-dmips-mhz = <MID_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU6:cpu@600 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x600>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
#if TARGET_PLATFORM <= 2
			clocks = <&scmi_dvfs 1>;
			capacity-dmips-mhz = <MID_CAPACITY>;
#elif TARGET_PLATFORM == 3
			clocks = <&scmi_dvfs 2>;
			capacity-dmips-mhz = <BIG_CAPACITY>;
#endif /* TARGET_PLATFORM == 3 */
			amu = <&amu>;
			supports-mpmm;
		};

		CPU7:cpu@700 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x700>;
			enable-method = "psci";
			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
#if TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2
			clocks = <&scmi_dvfs 1>;
			capacity-dmips-mhz = <MID_CAPACITY>;
#else
			clocks = <&scmi_dvfs 2>;
			capacity-dmips-mhz = <BIG_CAPACITY>;
#endif /* TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2 */
			amu = <&amu>;
			supports-mpmm;
		};

#if TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2
		CPU8:cpu@800 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x800>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 1>;
			capacity-dmips-mhz = <MID_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU9:cpu@900 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0x900>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 2>;
			capacity-dmips-mhz = <BIG2_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU10:cpu@A00 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0xA00>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 2>;
			capacity-dmips-mhz = <BIG2_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU11:cpu@B00 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0xB00>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 2>;
			capacity-dmips-mhz = <BIG2_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU12:cpu@C00 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0xC00>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 3>;
			capacity-dmips-mhz = <BIG_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};

		CPU13:cpu@D00 {
			device_type = "cpu";
			compatible = "arm,armv8";
			reg = <0xD00>;
			enable-method = "psci";
			clocks = <&scmi_dvfs 3>;
			capacity-dmips-mhz = <BIG_CAPACITY>;
			amu = <&amu>;
			supports-mpmm;
		};
#endif /* TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2 */
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			size = <0x0 0x8000000>;
			linux,cma-default;
		};

		optee {
			compatible = "restricted-dma-pool";
			reg = <0x0 TC_NS_OPTEE_BASE 0x0 TC_NS_OPTEE_SIZE>;
		};

		fwu_mm {
			reg = <0x0 TC_NS_FWU_BASE 0x0 TC_NS_FWU_SIZE>;
			no-map;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 TC_NS_DRAM1_BASE 0x0 TC_NS_DRAM1_SIZE>,
		      <HI(PLAT_ARM_DRAM2_BASE) LO(PLAT_ARM_DRAM2_BASE)
		       HI(TC_NS_DRAM2_SIZE) LO(TC_NS_DRAM2_SIZE)>;
	};

	psci {
		compatible = "arm,psci-1.0", "arm,psci-0.2";
		method = "smc";
	};

	cpu-pmu {
		compatible = "arm,armv8-pmuv3";
		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&CPU0>,  <&CPU1>,  <&CPU2>,  <&CPU3>,
				     <&CPU4>,  <&CPU5>,  <&CPU6>,  <&CPU7>
#if TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2
				    ,<&CPU8>,  <&CPU9>,  <&CPU10>, <&CPU11>,
				     <&CPU12>, <&CPU13>
#endif /* TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2 */
		;
	};

	sram: sram@6000000 {
		compatible = "mmio-sram";
		reg = <0x0 PLAT_ARM_NSRAM_BASE 0x0 PLAT_ARM_NSRAM_SIZE>;

		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0x0 PLAT_ARM_NSRAM_BASE PLAT_ARM_NSRAM_SIZE>;

		cpu_scp_scmi_mem: scp-shmem@0 {
			compatible = "arm,scmi-shmem";
			reg = <0x0 0x80>;
		};
	};

	mbox_db_rx: mhu@MHU_RX_ADDR() {
		compatible = "arm,mhuv2-rx","arm,primecell";
		reg = <0x0 MHU_RX_ADDR(0x) 0x0 0x1000>;
		clocks = <&soc_refclk>;
		clock-names = "apb_pclk";
		#mbox-cells = <2>;
		interrupts = <GIC_SPI INT_MBOX_RX IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "mhu_rx";
		mhu-protocol = "doorbell";
		arm,mhuv2-protocols = <0 1>;
	};

	mbox_db_tx: mhu@MHU_TX_ADDR() {
		compatible = "arm,mhuv2-tx","arm,primecell";
		reg = <0x0 MHU_TX_ADDR(0x) 0x0 0x1000>;
		clocks = <&soc_refclk>;
		clock-names = "apb_pclk";
		#mbox-cells = <2>;
		interrupt-names = "mhu_tx";
		mhu-protocol = "doorbell";
		arm,mhuv2-protocols = <0 1>;
	};

	scmi {
		compatible = "arm,scmi";
		mbox-names = "tx", "rx";
		mboxes = <&mbox_db_tx 0 0 &mbox_db_rx 0 0 >;
		shmem = <&cpu_scp_scmi_mem &cpu_scp_scmi_mem>;
		#address-cells = <1>;
		#size-cells = <0>;

#if TC_SCMI_PD_CTRL_EN
		scmi_devpd: protocol@11 {
			reg = <0x11>;
			#power-domain-cells = <1>;
		};
#endif /* TC_SCMI_PD_CTRL_EN */

		scmi_dvfs: protocol@13 {
			reg = <0x13>;
			#clock-cells = <1>;
		};

		scmi_clk: protocol@14 {
			reg = <0x14>;
			#clock-cells = <1>;
		};
	};

	gic: interrupt-controller@GIC_CTRL_ADDR {
		compatible = "arm,gic-v3";
		#address-cells = <2>;
		#interrupt-cells = <3>;
		#size-cells = <2>;
		ranges;
		interrupt-controller;
		reg = <0x0 0x30000000 0 0x10000>, /* GICD */
		      <0x0 0x30080000 0 GIC_GICR_OFFSET>; /* GICR */
		interrupts = <GIC_PPI 0x9 IRQ_TYPE_LEVEL_LOW>;
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
	};

	soc_refclk: refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <1000000000>;
		clock-output-names = "apb_pclk";
	};

	soc_refclk60mhz: refclk60mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <60000000>;
		clock-output-names = "iofpga_clk";
	};

	soc_uartclk: uartclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <UARTCLK_FREQ>;
		clock-output-names = "uartclk";
	};

	/* soc_uart0 on FPGA, ap_ns_uart on FVP */
	os_uart: serial@2a400000 {
		compatible = "arm,pl011", "arm,primecell";
		reg = <0x0 0x2A400000 0x0 UART_OFFSET>;
		interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
		clocks = <&soc_uartclk>, <&soc_refclk>;
		clock-names = "uartclk", "apb_pclk";
		status = "okay";
	};

	vencoder {
		compatible = "drm,virtual-encoder";
		port {
			vencoder_in: endpoint {
				remote-endpoint = <&dp_pl0_out0>;
			};
		};

		display-timings {
			timing-panel {
				VENCODER_TIMING;
			};
		};

	};

	ethernet@18000000 {
		compatible = ETH_COMPATIBLE;
		reg = <0x0 0x18000000 0x0 0x10000>;
		interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;

		/* FPGA only but will work on FVP. Keep for simplicity */
		phy-mode = "mii";
		reg-io-width = <2>;
		smsc,irq-push-pull;
	};

	bp_clock24mhz: clock24mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
		clock-output-names = "bp:clock24mhz";
	};


	sysreg: sysreg@1c010000 {
		compatible = "arm,vexpress-sysreg";
		reg = <0x0 0x001c010000 0x0 0x1000>;
		gpio-controller;
		#gpio-cells = <2>;
	};

	fixed_3v3: v2m-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	mmci@1c050000 {
		compatible = "arm,pl180", "arm,primecell";
		reg = <0x0 0x001c050000 0x0 0x1000>;
		interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
		MMC_REMOVABLE;
		wp-gpios = <&sysreg 1 0>;
		bus-width = <4>;
		max-frequency = <25000000>;
		vmmc-supply = <&fixed_3v3>;
		clocks = <&bp_clock24mhz>, <&bp_clock24mhz>;
		clock-names = "mclk", "apb_pclk";
	};

	gpu_clk: gpu_clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <1000000000>;
	};

	gpu_core_clk: gpu_core_clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <1000000000>;
	};

	gpu: gpu@2d000000 {
		compatible = "arm,mali-midgard";
		reg = <0x0 0x2d000000 0x0 0x200000>;
		interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "JOB", "MMU", "GPU";
		clocks = <&gpu_core_clk>;
		clock-names = "shadercores";
#if TC_SCMI_PD_CTRL_EN
		power-domains = <&scmi_devpd GPU_SCMI_PD_IDX>;
		scmi-perf-domain = <3>;
#endif /* TC_SCMI_PD_CTRL_EN */

#if TC_IOMMU_EN
		iommus = <&smmu_700 0x200>;
#endif /* TC_IOMMU_EN */
	};

	power_model_simple {
		/*
		 * Numbers used are irrelevant to Titan,
		 * it helps suppressing the kernel warnings.
		 */
		compatible = "arm,mali-simple-power-model";
		static-coefficient = <2427750>;
		dynamic-coefficient = <4687>;
		ts = <20000 2000 (-20) 2>;
		thermal-zone = "";
	};

#if TC_IOMMU_EN
	smmu_700: iommu@3f000000 {
		#iommu-cells = <1>;
		compatible = "arm,smmu-v3";
		reg = <0x0 0x3f000000 0x0 0x5000000>;
		interrupts = <GIC_SPI 228 IRQ_TYPE_EDGE_RISING>,
			     <GIC_SPI 229 IRQ_TYPE_EDGE_RISING>,
			     <GIC_SPI 230 IRQ_TYPE_EDGE_RISING>;
		interrupt-names = "eventq", "cmdq-sync", "gerror";
		dma-coherent;
	};
#endif /* TC_IOMMU_EN */

	dp0: display@DPU_ADDR() {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "arm,mali-d71";
		reg = <HI(DPU_ADDR(0x)) LO(DPU_ADDR(0x)) 0 0x20000>;
		interrupts = <GIC_SPI DPU_IRQ IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "DPU";
		DPU_CLK_ATTR1;
#if TC_IOMMU_EN
		iommus = <&smmu_700 0x100>;
#endif /* TC_IOMMU_EN */
#if  TC_SCMI_PD_CTRL_EN && (TARGET_PLATFORM != 3)
		power-domains = <&scmi_devpd DPU_SCMI_PD_IDX>;
#endif /*  TC_SCMI_PD_CTRL_EN && (TARGET_PLATFORM != 3) */

		pl0: pipeline@0 {
			reg = <0>;
			DPU_CLK_ATTR2;
			pl_id = <0>;
			ports {
				#address-cells = <1>;
				#size-cells = <0>;
				port@0 {
					reg = <0>;
					dp_pl0_out0: endpoint {
						remote-endpoint = <&vencoder_in>;
					};
				};
			};
		};

		pl1: pipeline@1 {
			reg = <1>;
			DPU_CLK_ATTR3;
			pl_id = <1>;
			ports {
				#address-cells = <1>;
				#size-cells = <0>;
				port@0 {
					reg = <0>;
				};
			};
		};
	};

	/*
	 * L3 cache in the DSU is the Memory System Component (MSC)
	 * The MPAM registers are accessed through utility bus in the DSU
	 */
	msc0 {
		compatible = "arm,mpam-msc";
		reg = <MPAM_ADDR 0x0 0x2000>;
	};

	ete0 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU0>;
	};

	ete1 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU1>;
	};

	ete2 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU2>;
	};

	ete3 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU3>;
	};

	ete4 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU4>;
	};

	ete5 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU5>;
	};

	ete6 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU6>;
	};

	ete7 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU7>;
	};

#if TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2
	ete8 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU8>;
	};

	ete9 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU9>;
	};

	ete10 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU10>;
	};

	ete11 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU11>;
	};

	ete12 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU12>;
	};

	ete13 {
		compatible = "arm,embedded-trace-extension";
		cpu = <&CPU13>;
	};
#endif /* TARGET_FLAVOUR_FPGA && TARGET_PLATFORM <= 2 */

	trbe {
		compatible = "arm,trace-buffer-extension";
		interrupts = <GIC_PPI 2 IRQ_TYPE_LEVEL_LOW>;
	};

	trusty {
		#size-cells = <0x02>;
		#address-cells = <0x02>;
		ranges = <0x00>;
		compatible = "android,trusty-v1";

		virtio {
			compatible = "android,trusty-virtio-v1";
		};

		test {
			compatible = "android,trusty-test-v1";
		};

		log {
			compatible = "android,trusty-log-v1";
		};

		irq {
			ipi-range = <0x08 0x0f 0x08>;
			interrupt-ranges = <0x00 0x0f 0x00 0x10 0x1f 0x01 0x20 0x3f 0x02>;
			interrupt-templates = <0x01 0x00 0x8001 0x01 0x01 0x04 0x8001 0x01 0x00 0x04>;
			compatible = "android,trusty-irq-v1";
		};
	};

	/* used in U-boot, Linux doesn't care */
	arm_ffa {
		compatible = "arm,ffa";
		method = "smc";
	};
};