xref: /rk3399_ARM-atf/fdts/tc-base.dtsi (revision db5fe4f4934208ac8f8ae9283df2fbac6066e24e)
1/*
2 * Copyright (c) 2020-2024, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7/* If SCMI power domain control is enabled */
8#if TC_SCMI_PD_CTRL_EN
9#define GPU_SCMI_PD_IDX		(PLAT_MAX_CPUS_PER_CLUSTER + 1)
10#define DPU_SCMI_PD_IDX		(PLAT_MAX_CPUS_PER_CLUSTER + 2)
11#endif /* TC_SCMI_PD_CTRL_EN */
12
13/* Use SCMI controlled clocks */
14#if TC_DPU_USE_SCMI_CLK
15#define DPU_CLK_ATTR1								\
16	clocks = <&scmi_clk 0>;							\
17	clock-names = "aclk"
18
19#define DPU_CLK_ATTR2								\
20	clocks = <&scmi_clk 1>;							\
21	clock-names = "pxclk"
22
23#define DPU_CLK_ATTR3								\
24	clocks = <&scmi_clk 2>;							\
25	clock-names = "pxclk"							\
26/* Use fixed clocks */
27#else /* !TC_DPU_USE_SCMI_CLK */
28#define DPU_CLK_ATTR1								\
29	clocks = <&dpu_aclk>;							\
30	clock-names = "aclk"
31
32#define DPU_CLK_ATTR2								\
33	clocks = <&dpu_pixel_clk>, <&dpu_aclk>;					\
34	clock-names = "pxclk", "aclk"
35
36#define DPU_CLK_ATTR3 DPU_CLK_ATTR2
37#endif /* !TC_DPU_USE_SCMI_CLK */
38
39/ {
40	compatible = "arm,tc";
41	interrupt-parent = <&gic>;
42	#address-cells = <2>;
43	#size-cells = <2>;
44
45	aliases {
46		serial0 = &os_uart;
47	};
48
49	chosen {
50		/*
51		 * Add some dummy entropy for Linux so it
52		 * doesn't delay the boot waiting for it.
53		 */
54		rng-seed = <0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
55			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
56			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
57			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
58			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
59			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
60			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 \
61			    0x01 0x02 0x04 0x05 0x06 0x07 0x08 >;
62	};
63
64	cpus {
65		#address-cells = <1>;
66		#size-cells = <0>;
67
68		cpu-map {
69			cluster0 {
70				core0 {
71					cpu = <&CPU0>;
72				};
73				core1 {
74					cpu = <&CPU1>;
75				};
76				core2 {
77					cpu = <&CPU2>;
78				};
79				core3 {
80					cpu = <&CPU3>;
81				};
82				core4 {
83					cpu = <&CPU4>;
84				};
85				core5 {
86					cpu = <&CPU5>;
87				};
88				core6 {
89					cpu = <&CPU6>;
90				};
91				core7 {
92					cpu = <&CPU7>;
93				};
94			};
95		};
96
97		/*
98		 * The timings below are just to demonstrate working cpuidle.
99		 * These values may be inaccurate.
100		 */
101		idle-states {
102			entry-method = "psci";
103
104			CPU_SLEEP_0: cpu-sleep-0 {
105				compatible = "arm,idle-state";
106				arm,psci-suspend-param = <0x0010000>;
107				local-timer-stop;
108				entry-latency-us = <300>;
109				exit-latency-us = <1200>;
110				min-residency-us = <2000>;
111			};
112			CLUSTER_SLEEP_0: cluster-sleep-0 {
113				compatible = "arm,idle-state";
114				arm,psci-suspend-param = <0x1010000>;
115				local-timer-stop;
116				entry-latency-us = <400>;
117				exit-latency-us = <1200>;
118				min-residency-us = <2500>;
119			};
120		};
121
122		amus {
123			amu: amu-0 {
124				#address-cells = <1>;
125				#size-cells = <0>;
126
127				mpmm_gear0: counter@0 {
128					reg = <0>;
129					enable-at-el3;
130				};
131
132				mpmm_gear1: counter@1 {
133					reg = <1>;
134					enable-at-el3;
135				};
136
137				mpmm_gear2: counter@2 {
138					reg = <2>;
139					enable-at-el3;
140				};
141			};
142		};
143
144		CPU0:cpu@0 {
145			device_type = "cpu";
146			compatible = "arm,armv8";
147			reg = <0x0>;
148			enable-method = "psci";
149			clocks = <&scmi_dvfs 0>;
150			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
151			capacity-dmips-mhz = <LIT_CAPACITY>;
152			amu = <&amu>;
153			supports-mpmm;
154		};
155
156		CPU1:cpu@100 {
157			device_type = "cpu";
158			compatible = "arm,armv8";
159			reg = <0x100>;
160			enable-method = "psci";
161			clocks = <&scmi_dvfs 0>;
162			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
163			capacity-dmips-mhz = <LIT_CAPACITY>;
164			amu = <&amu>;
165			supports-mpmm;
166		};
167
168		CPU2:cpu@200 {
169			device_type = "cpu";
170			compatible = "arm,armv8";
171			reg = <0x200>;
172			enable-method = "psci";
173			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
174			amu = <&amu>;
175			supports-mpmm;
176		};
177
178		CPU3:cpu@300 {
179			device_type = "cpu";
180			compatible = "arm,armv8";
181			reg = <0x300>;
182			enable-method = "psci";
183			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
184			amu = <&amu>;
185			supports-mpmm;
186		};
187
188		CPU4:cpu@400 {
189			device_type = "cpu";
190			compatible = "arm,armv8";
191			reg = <0x400>;
192			enable-method = "psci";
193			clocks = <&scmi_dvfs 1>;
194			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
195			capacity-dmips-mhz = <MID_CAPACITY>;
196			amu = <&amu>;
197			supports-mpmm;
198		};
199
200		CPU5:cpu@500 {
201			device_type = "cpu";
202			compatible = "arm,armv8";
203			reg = <0x500>;
204			enable-method = "psci";
205			clocks = <&scmi_dvfs 1>;
206			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
207			capacity-dmips-mhz = <MID_CAPACITY>;
208			amu = <&amu>;
209			supports-mpmm;
210		};
211
212		CPU6:cpu@600 {
213			device_type = "cpu";
214			compatible = "arm,armv8";
215			reg = <0x600>;
216			enable-method = "psci";
217			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
218			amu = <&amu>;
219			supports-mpmm;
220		};
221
222		CPU7:cpu@700 {
223			device_type = "cpu";
224			compatible = "arm,armv8";
225			reg = <0x700>;
226			enable-method = "psci";
227			cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
228			amu = <&amu>;
229			supports-mpmm;
230		};
231	};
232
233	reserved-memory {
234		#address-cells = <2>;
235		#size-cells = <2>;
236		ranges;
237
238		linux,cma {
239			compatible = "shared-dma-pool";
240			reusable;
241			size = <0x0 0x8000000>;
242			linux,cma-default;
243		};
244
245		optee {
246			compatible = "restricted-dma-pool";
247			reg = <0x0 TC_NS_OPTEE_BASE 0x0 TC_NS_OPTEE_SIZE>;
248		};
249
250	};
251
252	memory {
253		device_type = "memory";
254		reg = <0x0 TC_NS_DRAM1_BASE 0x0 TC_NS_DRAM1_SIZE>,
255		      <HI(PLAT_ARM_DRAM2_BASE) LO(PLAT_ARM_DRAM2_BASE)
256		       HI(TC_NS_DRAM2_SIZE) LO(TC_NS_DRAM2_SIZE)>;
257	};
258
259	psci {
260		compatible = "arm,psci-1.0", "arm,psci-0.2";
261		method = "smc";
262	};
263
264	cpu-pmu-little {
265		compatible = LIT_CPU_PMU_COMPATIBLE;
266		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_partition_little>;
267		status = "okay";
268	};
269
270	cpu-pmu-mid {
271		compatible = MID_CPU_PMU_COMPATIBLE;
272		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_partition_mid>;
273		status = "okay";
274	};
275
276	cpu-pmu-big {
277		compatible = BIG_CPU_PMU_COMPATIBLE;
278		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_partition_big>;
279		status = "okay";
280	};
281
282	sram: sram@6000000 {
283		compatible = "mmio-sram";
284		reg = <0x0 PLAT_ARM_NSRAM_BASE 0x0 PLAT_ARM_NSRAM_SIZE>;
285
286		#address-cells = <1>;
287		#size-cells = <1>;
288		ranges = <0 0x0 PLAT_ARM_NSRAM_BASE PLAT_ARM_NSRAM_SIZE>;
289
290		cpu_scp_scmi_a2p: scp-shmem@0 {
291			compatible = "arm,scmi-shmem";
292			reg = <0x0 0x80>;
293		};
294	};
295
296	mbox_db_rx: mhu@MHU_RX_ADDR {
297		compatible = MHU_RX_COMPAT;
298		reg = <0x0 ADDRESSIFY(MHU_RX_ADDR) 0x0 MHU_OFFSET>;
299		clocks = <&soc_refclk>;
300		clock-names = "apb_pclk";
301		#mbox-cells = <MHU_MBOX_CELLS>;
302		interrupts = <GIC_SPI MHU_RX_INT_NUM IRQ_TYPE_LEVEL_HIGH 0>;
303		interrupt-names = MHU_RX_INT_NAME;
304	};
305
306	mbox_db_tx: mhu@MHU_TX_ADDR {
307		compatible = MHU_TX_COMPAT;
308		reg = <0x0 ADDRESSIFY(MHU_TX_ADDR) 0x0 MHU_OFFSET>;
309		clocks = <&soc_refclk>;
310		clock-names = "apb_pclk";
311		#mbox-cells = <MHU_MBOX_CELLS>;
312		interrupt-names = MHU_TX_INT_NAME;
313	};
314
315	firmware {
316		scmi {
317			compatible = "arm,scmi";
318			mbox-names = "tx", "rx";
319			#address-cells = <1>;
320			#size-cells = <0>;
321
322#if TC_SCMI_PD_CTRL_EN
323			scmi_devpd: protocol@11 {
324				reg = <0x11>;
325				#power-domain-cells = <1>;
326			};
327#endif /* TC_SCMI_PD_CTRL_EN */
328
329			scmi_dvfs: protocol@13 {
330				reg = <0x13>;
331				#clock-cells = <1>;
332			};
333
334			scmi_clk: protocol@14 {
335				reg = <0x14>;
336				#clock-cells = <1>;
337			};
338		};
339	};
340
341	gic: interrupt-controller@GIC_CTRL_ADDR {
342		compatible = "arm,gic-v3";
343		#address-cells = <2>;
344		#interrupt-cells = <4>;
345		#size-cells = <2>;
346		ranges;
347		interrupt-controller;
348		reg = <0x0 0x30000000 0 0x10000>, /* GICD */
349		      <0x0 0x30080000 0 GIC_GICR_OFFSET>; /* GICR */
350		interrupts = <GIC_PPI 0x9 IRQ_TYPE_LEVEL_LOW 0>;
351	};
352
353	timer {
354		compatible = "arm,armv8-timer";
355		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW 0>,
356			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
357			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
358			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
359	};
360
361	spe-pmu-mid {
362		compatible = "arm,statistical-profiling-extension-v1";
363		interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_mid>;
364		status = "disabled";
365	};
366
367	spe-pmu-big {
368		compatible = "arm,statistical-profiling-extension-v1";
369		interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_big>;
370		status = "disabled";
371	};
372
373	soc_refclk: refclk {
374		compatible = "fixed-clock";
375		#clock-cells = <0>;
376		clock-frequency = <1000000000>;
377		clock-output-names = "apb_pclk";
378	};
379
380	soc_refclk60mhz: refclk60mhz {
381		compatible = "fixed-clock";
382		#clock-cells = <0>;
383		clock-frequency = <60000000>;
384		clock-output-names = "iofpga_clk";
385	};
386
387	soc_uartclk: uartclk {
388		compatible = "fixed-clock";
389		#clock-cells = <0>;
390		clock-frequency = <TC_UARTCLK>;
391		clock-output-names = "uartclk";
392	};
393
394	/* soc_uart0 on FPGA, ap_ns_uart on FVP */
395	os_uart: serial@2a400000 {
396		compatible = "arm,pl011", "arm,primecell";
397		reg = <0x0 0x2A400000 0x0 UART_OFFSET>;
398		interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH 0>;
399		clocks = <&soc_uartclk>, <&soc_refclk>;
400		clock-names = "uartclk", "apb_pclk";
401		status = "okay";
402	};
403
404#if !TC_DPU_USE_SCMI_CLK
405	dpu_aclk: dpu_aclk {
406		compatible = "fixed-clock";
407		#clock-cells = <0>;
408		clock-frequency = <LCD_TIMING_CLK>;
409		clock-output-names = "fpga:dpu_aclk";
410	};
411
412	dpu_pixel_clk: dpu-pixel-clk {
413		compatible = "fixed-clock";
414		#clock-cells = <0>;
415		clock-frequency = <LCD_TIMING_CLK>;
416		clock-output-names = "pxclk";
417	};
418#endif /* !TC_DPU_USE_SCMI_CLK */
419
420#if TC_DPU_USE_SIMPLE_PANEL
421	vpanel {
422		compatible = "panel-dpi";
423		post-init-providers = <&pl0>;
424		port {
425			lcd_in: endpoint {
426				remote-endpoint = <&dp_pl0_out0>;
427			};
428		};
429
430		panel-timing {
431			LCD_TIMING;
432		};
433	};
434
435#else
436	vencoder {
437		compatible = "drm,virtual-encoder";
438		port {
439			lcd_in: endpoint {
440				remote-endpoint = <&dp_pl0_out0>;
441			};
442		};
443
444		display-timings {
445			timing-panel {
446				LCD_TIMING;
447			};
448		};
449
450	};
451#endif
452	ethernet: ethernet@ETHERNET_ADDR {
453		reg = <0x0 ADDRESSIFY(ETHERNET_ADDR) 0x0 0x10000>;
454		interrupts = <GIC_SPI ETHERNET_INT IRQ_TYPE_LEVEL_HIGH 0>;
455
456		reg-io-width = <2>;
457		smsc,irq-push-pull;
458	};
459
460	bp_clock24mhz: clock24mhz {
461		compatible = "fixed-clock";
462		#clock-cells = <0>;
463		clock-frequency = <24000000>;
464		clock-output-names = "bp:clock24mhz";
465	};
466
467	sysreg: sysreg@SYS_REGS_ADDR {
468		compatible = "arm,vexpress-sysreg";
469		reg = <0x0 ADDRESSIFY(SYS_REGS_ADDR) 0x0 0x1000>;
470		gpio-controller;
471		#gpio-cells = <2>;
472	};
473
474	fixed_3v3: v2m-3v3 {
475		compatible = "regulator-fixed";
476		regulator-name = "3V3";
477		regulator-min-microvolt = <3300000>;
478		regulator-max-microvolt = <3300000>;
479		regulator-always-on;
480	};
481
482	mmci: mmci@MMC_ADDR {
483		compatible = "arm,pl180", "arm,primecell";
484		reg = <0x0 ADDRESSIFY(MMC_ADDR) 0x0 0x1000>;
485		interrupts = <GIC_SPI MMC_INT_0 IRQ_TYPE_LEVEL_HIGH 0>,
486			     <GIC_SPI MMC_INT_1 IRQ_TYPE_LEVEL_HIGH 0>;
487		wp-gpios = <&sysreg 1 0>;
488		bus-width = <4>;
489		max-frequency = <25000000>;
490		vmmc-supply = <&fixed_3v3>;
491		clocks = <&bp_clock24mhz>, <&bp_clock24mhz>;
492		clock-names = "mclk", "apb_pclk";
493	};
494
495	gpu_clk: gpu_clk {
496		compatible = "fixed-clock";
497		#clock-cells = <0>;
498		clock-frequency = <1000000000>;
499	};
500
501	gpu_core_clk: gpu_core_clk {
502		compatible = "fixed-clock";
503		#clock-cells = <0>;
504		clock-frequency = <1000000000>;
505	};
506
507	gpu: gpu@2d000000 {
508		compatible = "arm,mali-midgard";
509		reg = <0x0 0x2d000000 0x0 0x200000>;
510		clocks = <&gpu_core_clk>;
511		clock-names = "shadercores";
512#if TC_SCMI_PD_CTRL_EN
513		power-domains = <&scmi_devpd GPU_SCMI_PD_IDX>;
514		scmi-perf-domain = <3>;
515#endif /* TC_SCMI_PD_CTRL_EN */
516
517		pbha {
518			int-id-override = <0 0x22>, <2 0x23>, <4 0x23>, <7 0x22>,
519					  <8 0x22>, <9 0x22>, <10 0x22>, <11 0x22>,
520					  <12 0x22>, <13 0x22>, <16 0x22>, <17 0x32>,
521					  <18 0x32>, <19 0x22>, <20 0x22>, <21 0x32>,
522					  <22 0x32>, <24 0x22>, <28 0x32>;
523			propagate-bits = <0x0f>;
524		};
525	};
526
527	power_model_simple {
528		/*
529		 * Numbers used are irrelevant to Titan,
530		 * it helps suppressing the kernel warnings.
531		 */
532		compatible = "arm,mali-simple-power-model";
533		static-coefficient = <2427750>;
534		dynamic-coefficient = <4687>;
535		ts = <20000 2000 (-20) 2>;
536		thermal-zone = "";
537	};
538
539	smmu_600: smmu@2ce00000 {
540		compatible = "arm,smmu-v3";
541		reg = <0 0x2ce00000 0 0x20000>;
542		interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING 0>,
543			     <GIC_SPI 74 IRQ_TYPE_EDGE_RISING 0>,
544			     <GIC_SPI 76 IRQ_TYPE_EDGE_RISING 0>,
545			     <GIC_SPI 77 IRQ_TYPE_EDGE_RISING 0>;
546		interrupt-names = "eventq", "priq", "cmdq-sync", "gerror";
547		#iommu-cells = <1>;
548		status = "disabled";
549	};
550
551	smmu_700: iommu@3f000000 {
552		#iommu-cells = <1>;
553		compatible = "arm,smmu-v3";
554		reg = <0x0 0x3f000000 0x0 0x5000000>;
555		interrupts = <GIC_SPI 228 IRQ_TYPE_EDGE_RISING 0>,
556			     <GIC_SPI 229 IRQ_TYPE_EDGE_RISING 0>,
557			     <GIC_SPI 230 IRQ_TYPE_EDGE_RISING 0>;
558		interrupt-names = "eventq", "cmdq-sync", "gerror";
559		dma-coherent;
560		status = "disabled";
561	};
562
563	smmu_700_dpu: iommu@4002a00000 {
564		#iommu-cells = <1>;
565		compatible = "arm,smmu-v3";
566		reg = <HI(0x4002a00000) LO(0x4002a00000) 0x0 0x5000000>;
567		interrupts = <GIC_SPI 481 IRQ_TYPE_EDGE_RISING 0>,
568			     <GIC_SPI 482 IRQ_TYPE_EDGE_RISING 0>,
569			     <GIC_SPI 483 IRQ_TYPE_EDGE_RISING 0>;
570		interrupt-names = "eventq", "cmdq-sync", "gerror";
571		dma-coherent;
572		status = "disabled";
573	};
574
575	dp0: display@DPU_ADDR {
576		#address-cells = <1>;
577		#size-cells = <0>;
578		compatible = "arm,mali-d71";
579		reg = <HI(ADDRESSIFY(DPU_ADDR)) LO(ADDRESSIFY(DPU_ADDR)) 0 0x20000>;
580		interrupts = <GIC_SPI DPU_IRQ IRQ_TYPE_LEVEL_HIGH 0>;
581		interrupt-names = "DPU";
582		DPU_CLK_ATTR1;
583
584		pl0: pipeline@0 {
585			reg = <0>;
586			DPU_CLK_ATTR2;
587			pl_id = <0>;
588			ports {
589				#address-cells = <1>;
590				#size-cells = <0>;
591				port@0 {
592					reg = <0>;
593					dp_pl0_out0: endpoint {
594						remote-endpoint = <&lcd_in>;
595					};
596				};
597			};
598		};
599
600		pl1: pipeline@1 {
601			reg = <1>;
602			DPU_CLK_ATTR3;
603			pl_id = <1>;
604			ports {
605				#address-cells = <1>;
606				#size-cells = <0>;
607				port@0 {
608					reg = <0>;
609				};
610			};
611		};
612	};
613
614	/*
615	 * L3 cache in the DSU is the Memory System Component (MSC)
616	 * The MPAM registers are accessed through utility bus in the DSU
617	 */
618	msc0 {
619		compatible = "arm,mpam-msc";
620		reg = <MPAM_ADDR 0x0 0x2000>;
621	};
622
623	ete0 {
624		compatible = "arm,embedded-trace-extension";
625		cpu = <&CPU0>;
626	};
627
628	ete1 {
629		compatible = "arm,embedded-trace-extension";
630		cpu = <&CPU1>;
631	};
632
633	ete2 {
634		compatible = "arm,embedded-trace-extension";
635		cpu = <&CPU2>;
636	};
637
638	ete3 {
639		compatible = "arm,embedded-trace-extension";
640		cpu = <&CPU3>;
641	};
642
643	ete4 {
644		compatible = "arm,embedded-trace-extension";
645		cpu = <&CPU4>;
646	};
647
648	ete5 {
649		compatible = "arm,embedded-trace-extension";
650		cpu = <&CPU5>;
651	};
652
653	ete6 {
654		compatible = "arm,embedded-trace-extension";
655		cpu = <&CPU6>;
656	};
657
658	ete7 {
659		compatible = "arm,embedded-trace-extension";
660		cpu = <&CPU7>;
661	};
662
663	trbe {
664		compatible = "arm,trace-buffer-extension";
665		interrupts = <GIC_PPI 2 IRQ_TYPE_LEVEL_LOW 0>;
666	};
667
668	trusty {
669		#size-cells = <0x02>;
670		#address-cells = <0x02>;
671		ranges = <0x00>;
672		compatible = "android,trusty-v1";
673
674		virtio {
675			compatible = "android,trusty-virtio-v1";
676		};
677
678		test {
679			compatible = "android,trusty-test-v1";
680		};
681
682		log {
683			compatible = "android,trusty-log-v1";
684		};
685
686		irq {
687			ipi-range = <0x08 0x0f 0x08>;
688			interrupt-ranges = <0x00 0x0f 0x00 0x10 0x1f 0x01 0x20 0x3f 0x02>;
689			interrupt-templates = <0x01 0x00 0x8001 0x01 0x01 0x04 0x8001 0x01 0x00 0x04>;
690			compatible = "android,trusty-irq-v1";
691		};
692	};
693
694	/* used in U-boot, Linux doesn't care */
695	arm_ffa {
696		compatible = "arm,ffa";
697		method = "smc";
698	};
699};
700