xref: /rk3399_ARM-atf/fdts/tc-base.dtsi (revision e264b5573952c72805a14e69e438168c00163e9a)
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		fwu_mm {
251			reg = <0x0 TC_NS_FWU_BASE 0x0 TC_NS_FWU_SIZE>;
252			no-map;
253		};
254	};
255
256	memory {
257		device_type = "memory";
258		reg = <0x0 TC_NS_DRAM1_BASE 0x0 TC_NS_DRAM1_SIZE>,
259		      <HI(PLAT_ARM_DRAM2_BASE) LO(PLAT_ARM_DRAM2_BASE)
260		       HI(TC_NS_DRAM2_SIZE) LO(TC_NS_DRAM2_SIZE)>;
261	};
262
263	psci {
264		compatible = "arm,psci-1.0", "arm,psci-0.2";
265		method = "smc";
266	};
267
268	cpu-pmu-little {
269		compatible = LIT_CPU_PMU_COMPATIBLE;
270		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_partition_little>;
271		status = "okay";
272	};
273
274	cpu-pmu-mid {
275		compatible = MID_CPU_PMU_COMPATIBLE;
276		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_partition_mid>;
277		status = "okay";
278	};
279
280	cpu-pmu-big {
281		compatible = BIG_CPU_PMU_COMPATIBLE;
282		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH &ppi_partition_big>;
283		status = "okay";
284	};
285
286	sram: sram@6000000 {
287		compatible = "mmio-sram";
288		reg = <0x0 PLAT_ARM_NSRAM_BASE 0x0 PLAT_ARM_NSRAM_SIZE>;
289
290		#address-cells = <1>;
291		#size-cells = <1>;
292		ranges = <0 0x0 PLAT_ARM_NSRAM_BASE PLAT_ARM_NSRAM_SIZE>;
293
294		cpu_scp_scmi_a2p: scp-shmem@0 {
295			compatible = "arm,scmi-shmem";
296			reg = <0x0 0x80>;
297		};
298	};
299
300	mbox_db_rx: mhu@MHU_RX_ADDR {
301		compatible = MHU_RX_COMPAT;
302		reg = <0x0 ADDRESSIFY(MHU_RX_ADDR) 0x0 MHU_OFFSET>;
303		clocks = <&soc_refclk>;
304		clock-names = "apb_pclk";
305		#mbox-cells = <MHU_MBOX_CELLS>;
306		interrupts = <GIC_SPI MHU_RX_INT_NUM IRQ_TYPE_LEVEL_HIGH 0>;
307		interrupt-names = MHU_RX_INT_NAME;
308	};
309
310	mbox_db_tx: mhu@MHU_TX_ADDR {
311		compatible = MHU_TX_COMPAT;
312		reg = <0x0 ADDRESSIFY(MHU_TX_ADDR) 0x0 MHU_OFFSET>;
313		clocks = <&soc_refclk>;
314		clock-names = "apb_pclk";
315		#mbox-cells = <MHU_MBOX_CELLS>;
316		interrupt-names = MHU_TX_INT_NAME;
317	};
318
319	firmware {
320		scmi {
321			compatible = "arm,scmi";
322			mbox-names = "tx", "rx";
323			#address-cells = <1>;
324			#size-cells = <0>;
325
326#if TC_SCMI_PD_CTRL_EN
327			scmi_devpd: protocol@11 {
328				reg = <0x11>;
329				#power-domain-cells = <1>;
330			};
331#endif /* TC_SCMI_PD_CTRL_EN */
332
333			scmi_dvfs: protocol@13 {
334				reg = <0x13>;
335				#clock-cells = <1>;
336			};
337
338			scmi_clk: protocol@14 {
339				reg = <0x14>;
340				#clock-cells = <1>;
341			};
342		};
343	};
344
345	gic: interrupt-controller@GIC_CTRL_ADDR {
346		compatible = "arm,gic-v3";
347		#address-cells = <2>;
348		#interrupt-cells = <4>;
349		#size-cells = <2>;
350		ranges;
351		interrupt-controller;
352		reg = <0x0 0x30000000 0 0x10000>, /* GICD */
353		      <0x0 0x30080000 0 GIC_GICR_OFFSET>; /* GICR */
354		interrupts = <GIC_PPI 0x9 IRQ_TYPE_LEVEL_LOW 0>;
355	};
356
357	timer {
358		compatible = "arm,armv8-timer";
359		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW 0>,
360			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW 0>,
361			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW 0>,
362			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
363	};
364
365	spe-pmu-mid {
366		compatible = "arm,statistical-profiling-extension-v1";
367		interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_mid>;
368		status = "disabled";
369	};
370
371	spe-pmu-big {
372		compatible = "arm,statistical-profiling-extension-v1";
373		interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_big>;
374		status = "disabled";
375	};
376
377	soc_refclk: refclk {
378		compatible = "fixed-clock";
379		#clock-cells = <0>;
380		clock-frequency = <1000000000>;
381		clock-output-names = "apb_pclk";
382	};
383
384	soc_refclk60mhz: refclk60mhz {
385		compatible = "fixed-clock";
386		#clock-cells = <0>;
387		clock-frequency = <60000000>;
388		clock-output-names = "iofpga_clk";
389	};
390
391	soc_uartclk: uartclk {
392		compatible = "fixed-clock";
393		#clock-cells = <0>;
394		clock-frequency = <UARTCLK_FREQ>;
395		clock-output-names = "uartclk";
396	};
397
398	/* soc_uart0 on FPGA, ap_ns_uart on FVP */
399	os_uart: serial@2a400000 {
400		compatible = "arm,pl011", "arm,primecell";
401		reg = <0x0 0x2A400000 0x0 UART_OFFSET>;
402		interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH 0>;
403		clocks = <&soc_uartclk>, <&soc_refclk>;
404		clock-names = "uartclk", "apb_pclk";
405		status = "okay";
406	};
407
408#if !TC_DPU_USE_SCMI_CLK
409	dpu_aclk: dpu_aclk {
410		compatible = "fixed-clock";
411		#clock-cells = <0>;
412		clock-frequency = <VENCODER_TIMING_CLK>;
413		clock-output-names = "fpga:dpu_aclk";
414	};
415
416	dpu_pixel_clk: dpu-pixel-clk {
417		compatible = "fixed-clock";
418		#clock-cells = <0>;
419		clock-frequency = <VENCODER_TIMING_CLK>;
420		clock-output-names = "pxclk";
421	};
422#endif /* !TC_DPU_USE_SCMI_CLK */
423
424	vencoder {
425		compatible = "drm,virtual-encoder";
426		port {
427			vencoder_in: endpoint {
428				remote-endpoint = <&dp_pl0_out0>;
429			};
430		};
431
432		display-timings {
433			timing-panel {
434				VENCODER_TIMING;
435			};
436		};
437
438	};
439
440	ethernet: ethernet@18000000 {
441		reg = <0x0 0x18000000 0x0 0x10000>;
442		interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH 0>;
443
444		reg-io-width = <2>;
445		smsc,irq-push-pull;
446	};
447
448	bp_clock24mhz: clock24mhz {
449		compatible = "fixed-clock";
450		#clock-cells = <0>;
451		clock-frequency = <24000000>;
452		clock-output-names = "bp:clock24mhz";
453	};
454
455
456	sysreg: sysreg@1c010000 {
457		compatible = "arm,vexpress-sysreg";
458		reg = <0x0 0x001c010000 0x0 0x1000>;
459		gpio-controller;
460		#gpio-cells = <2>;
461	};
462
463	fixed_3v3: v2m-3v3 {
464		compatible = "regulator-fixed";
465		regulator-name = "3V3";
466		regulator-min-microvolt = <3300000>;
467		regulator-max-microvolt = <3300000>;
468		regulator-always-on;
469	};
470
471	mmci: mmci@1c050000 {
472		compatible = "arm,pl180", "arm,primecell";
473		reg = <0x0 0x001c050000 0x0 0x1000>;
474		interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH 0>,
475			     <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH 0>;
476		wp-gpios = <&sysreg 1 0>;
477		bus-width = <4>;
478		max-frequency = <25000000>;
479		vmmc-supply = <&fixed_3v3>;
480		clocks = <&bp_clock24mhz>, <&bp_clock24mhz>;
481		clock-names = "mclk", "apb_pclk";
482	};
483
484	gpu_clk: gpu_clk {
485		compatible = "fixed-clock";
486		#clock-cells = <0>;
487		clock-frequency = <1000000000>;
488	};
489
490	gpu_core_clk: gpu_core_clk {
491		compatible = "fixed-clock";
492		#clock-cells = <0>;
493		clock-frequency = <1000000000>;
494	};
495
496	gpu: gpu@2d000000 {
497		compatible = "arm,mali-midgard";
498		reg = <0x0 0x2d000000 0x0 0x200000>;
499		interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH 0>,
500			     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH 0>,
501			     <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH 0>;
502		interrupt-names = "JOB", "MMU", "GPU";
503		clocks = <&gpu_core_clk>;
504		clock-names = "shadercores";
505#if TC_SCMI_PD_CTRL_EN
506		power-domains = <&scmi_devpd GPU_SCMI_PD_IDX>;
507		scmi-perf-domain = <3>;
508#endif /* TC_SCMI_PD_CTRL_EN */
509
510		pbha {
511			int-id-override = <0 0x22>, <2 0x23>, <4 0x23>, <7 0x22>,
512					  <8 0x22>, <9 0x22>, <10 0x22>, <11 0x22>,
513					  <12 0x22>, <13 0x22>, <16 0x22>, <17 0x32>,
514					  <18 0x32>, <19 0x22>, <20 0x22>, <21 0x32>,
515					  <22 0x32>, <24 0x22>, <28 0x32>;
516			propagate-bits = <0x0f>;
517		};
518	};
519
520	power_model_simple {
521		/*
522		 * Numbers used are irrelevant to Titan,
523		 * it helps suppressing the kernel warnings.
524		 */
525		compatible = "arm,mali-simple-power-model";
526		static-coefficient = <2427750>;
527		dynamic-coefficient = <4687>;
528		ts = <20000 2000 (-20) 2>;
529		thermal-zone = "";
530	};
531
532	smmu_600: smmu@2ce00000 {
533		compatible = "arm,smmu-v3";
534		reg = <0 0x2ce00000 0 0x20000>;
535		interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_RISING 0>,
536			     <GIC_SPI 74 IRQ_TYPE_EDGE_RISING 0>,
537			     <GIC_SPI 76 IRQ_TYPE_EDGE_RISING 0>,
538			     <GIC_SPI 77 IRQ_TYPE_EDGE_RISING 0>;
539		interrupt-names = "eventq", "priq", "cmdq-sync", "gerror";
540		#iommu-cells = <1>;
541		status = "disabled";
542	};
543
544	smmu_700: iommu@3f000000 {
545		#iommu-cells = <1>;
546		compatible = "arm,smmu-v3";
547		reg = <0x0 0x3f000000 0x0 0x5000000>;
548		interrupts = <GIC_SPI 228 IRQ_TYPE_EDGE_RISING 0>,
549			     <GIC_SPI 229 IRQ_TYPE_EDGE_RISING 0>,
550			     <GIC_SPI 230 IRQ_TYPE_EDGE_RISING 0>;
551		interrupt-names = "eventq", "cmdq-sync", "gerror";
552		dma-coherent;
553		status = "disabled";
554	};
555
556	smmu_700_dpu: iommu@4002a00000 {
557		#iommu-cells = <1>;
558		compatible = "arm,smmu-v3";
559		reg = <HI(0x4002a00000) LO(0x4002a00000) 0x0 0x5000000>;
560		interrupts = <GIC_SPI 481 IRQ_TYPE_EDGE_RISING 0>,
561			     <GIC_SPI 482 IRQ_TYPE_EDGE_RISING 0>,
562			     <GIC_SPI 483 IRQ_TYPE_EDGE_RISING 0>;
563		interrupt-names = "eventq", "cmdq-sync", "gerror";
564		dma-coherent;
565		status = "disabled";
566	};
567
568	dp0: display@DPU_ADDR {
569		#address-cells = <1>;
570		#size-cells = <0>;
571		compatible = "arm,mali-d71";
572		reg = <HI(ADDRESSIFY(DPU_ADDR)) LO(ADDRESSIFY(DPU_ADDR)) 0 0x20000>;
573		interrupts = <GIC_SPI DPU_IRQ IRQ_TYPE_LEVEL_HIGH 0>;
574		interrupt-names = "DPU";
575		DPU_CLK_ATTR1;
576
577		pl0: pipeline@0 {
578			reg = <0>;
579			DPU_CLK_ATTR2;
580			pl_id = <0>;
581			ports {
582				#address-cells = <1>;
583				#size-cells = <0>;
584				port@0 {
585					reg = <0>;
586					dp_pl0_out0: endpoint {
587						remote-endpoint = <&vencoder_in>;
588					};
589				};
590			};
591		};
592
593		pl1: pipeline@1 {
594			reg = <1>;
595			DPU_CLK_ATTR3;
596			pl_id = <1>;
597			ports {
598				#address-cells = <1>;
599				#size-cells = <0>;
600				port@0 {
601					reg = <0>;
602				};
603			};
604		};
605	};
606
607	/*
608	 * L3 cache in the DSU is the Memory System Component (MSC)
609	 * The MPAM registers are accessed through utility bus in the DSU
610	 */
611	msc0 {
612		compatible = "arm,mpam-msc";
613		reg = <MPAM_ADDR 0x0 0x2000>;
614	};
615
616	ete0 {
617		compatible = "arm,embedded-trace-extension";
618		cpu = <&CPU0>;
619	};
620
621	ete1 {
622		compatible = "arm,embedded-trace-extension";
623		cpu = <&CPU1>;
624	};
625
626	ete2 {
627		compatible = "arm,embedded-trace-extension";
628		cpu = <&CPU2>;
629	};
630
631	ete3 {
632		compatible = "arm,embedded-trace-extension";
633		cpu = <&CPU3>;
634	};
635
636	ete4 {
637		compatible = "arm,embedded-trace-extension";
638		cpu = <&CPU4>;
639	};
640
641	ete5 {
642		compatible = "arm,embedded-trace-extension";
643		cpu = <&CPU5>;
644	};
645
646	ete6 {
647		compatible = "arm,embedded-trace-extension";
648		cpu = <&CPU6>;
649	};
650
651	ete7 {
652		compatible = "arm,embedded-trace-extension";
653		cpu = <&CPU7>;
654	};
655
656	trbe {
657		compatible = "arm,trace-buffer-extension";
658		interrupts = <GIC_PPI 2 IRQ_TYPE_LEVEL_LOW 0>;
659	};
660
661	trusty {
662		#size-cells = <0x02>;
663		#address-cells = <0x02>;
664		ranges = <0x00>;
665		compatible = "android,trusty-v1";
666
667		virtio {
668			compatible = "android,trusty-virtio-v1";
669		};
670
671		test {
672			compatible = "android,trusty-test-v1";
673		};
674
675		log {
676			compatible = "android,trusty-log-v1";
677		};
678
679		irq {
680			ipi-range = <0x08 0x0f 0x08>;
681			interrupt-ranges = <0x00 0x0f 0x00 0x10 0x1f 0x01 0x20 0x3f 0x02>;
682			interrupt-templates = <0x01 0x00 0x8001 0x01 0x01 0x04 0x8001 0x01 0x00 0x04>;
683			compatible = "android,trusty-irq-v1";
684		};
685	};
686
687	/* used in U-boot, Linux doesn't care */
688	arm_ffa {
689		compatible = "arm,ffa";
690		method = "smc";
691	};
692};
693