xref: /linux/arch/arm/boot/dts/st/stm32h743.dtsi (revision a4bd03e7cb78ff743d811a09273b40d31e861def)
1/*
2 * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 *  a) This file is free software; you can redistribute it and/or
10 *     modify it under the terms of the GNU General Public License as
11 *     published by the Free Software Foundation; either version 2 of the
12 *     License, or (at your option) any later version.
13 *
14 *     This file is distributed in the hope that it will be useful,
15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *     GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 *  b) Permission is hereby granted, free of charge, to any person
22 *     obtaining a copy of this software and associated documentation
23 *     files (the "Software"), to deal in the Software without
24 *     restriction, including without limitation the rights to use,
25 *     copy, modify, merge, publish, distribute, sublicense, and/or
26 *     sell copies of the Software, and to permit persons to whom the
27 *     Software is furnished to do so, subject to the following
28 *     conditions:
29 *
30 *     The above copyright notice and this permission notice shall be
31 *     included in all copies or substantial portions of the Software.
32 *
33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 *     OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43#include "../armv7-m.dtsi"
44#include <dt-bindings/clock/stm32h7-clks.h>
45#include <dt-bindings/mfd/stm32h7-rcc.h>
46#include <dt-bindings/interrupt-controller/irq.h>
47
48/ {
49	#address-cells = <1>;
50	#size-cells = <1>;
51
52	clocks {
53		clk_hse: clk-hse {
54			#clock-cells = <0>;
55			compatible = "fixed-clock";
56			clock-frequency = <0>;
57		};
58
59		clk_lse: clk-lse {
60			#clock-cells = <0>;
61			compatible = "fixed-clock";
62			clock-frequency = <32768>;
63		};
64
65		clk_i2s: i2s_ckin {
66			#clock-cells = <0>;
67			compatible = "fixed-clock";
68			clock-frequency = <0>;
69		};
70	};
71
72	soc {
73		timer5: timer@40000c00 {
74			compatible = "st,stm32-timer";
75			reg = <0x40000c00 0x400>;
76			interrupts = <50>;
77			clocks = <&rcc TIM5_CK>;
78		};
79
80		lptimer1: timer@40002400 {
81			#address-cells = <1>;
82			#size-cells = <0>;
83			compatible = "st,stm32-lptimer";
84			reg = <0x40002400 0x400>;
85			clocks = <&rcc LPTIM1_CK>;
86			clock-names = "mux";
87			status = "disabled";
88
89			pwm {
90				compatible = "st,stm32-pwm-lp";
91				#pwm-cells = <3>;
92				status = "disabled";
93			};
94
95			trigger@0 {
96				compatible = "st,stm32-lptimer-trigger";
97				reg = <0>;
98				status = "disabled";
99			};
100
101			counter {
102				compatible = "st,stm32-lptimer-counter";
103				status = "disabled";
104			};
105		};
106
107		spi2: spi@40003800 {
108			#address-cells = <1>;
109			#size-cells = <0>;
110			compatible = "st,stm32h7-spi";
111			reg = <0x40003800 0x400>;
112			interrupts = <36>;
113			resets = <&rcc STM32H7_APB1L_RESET(SPI2)>;
114			clocks = <&rcc SPI2_CK>;
115			status = "disabled";
116
117		};
118
119		spi3: spi@40003c00 {
120			#address-cells = <1>;
121			#size-cells = <0>;
122			compatible = "st,stm32h7-spi";
123			reg = <0x40003c00 0x400>;
124			interrupts = <51>;
125			resets = <&rcc STM32H7_APB1L_RESET(SPI3)>;
126			clocks = <&rcc SPI3_CK>;
127			status = "disabled";
128		};
129
130		usart2: serial@40004400 {
131			compatible = "st,stm32h7-uart";
132			reg = <0x40004400 0x400>;
133			interrupts = <38>;
134			status = "disabled";
135			clocks = <&rcc USART2_CK>;
136		};
137
138		usart3: serial@40004800 {
139			compatible = "st,stm32h7-uart";
140			reg = <0x40004800 0x400>;
141			interrupts = <39>;
142			status = "disabled";
143			clocks = <&rcc USART3_CK>;
144		};
145
146		uart4: serial@40004c00 {
147			compatible = "st,stm32h7-uart";
148			reg = <0x40004c00 0x400>;
149			interrupts = <52>;
150			status = "disabled";
151			clocks = <&rcc UART4_CK>;
152		};
153
154		i2c1: i2c@40005400 {
155			compatible = "st,stm32f7-i2c";
156			#address-cells = <1>;
157			#size-cells = <0>;
158			reg = <0x40005400 0x400>;
159			interrupts = <31>,
160				     <32>;
161			resets = <&rcc STM32H7_APB1L_RESET(I2C1)>;
162			clocks = <&rcc I2C1_CK>;
163			status = "disabled";
164		};
165
166		i2c2: i2c@40005800 {
167			compatible = "st,stm32f7-i2c";
168			#address-cells = <1>;
169			#size-cells = <0>;
170			reg = <0x40005800 0x400>;
171			interrupts = <33>,
172				     <34>;
173			resets = <&rcc STM32H7_APB1L_RESET(I2C2)>;
174			clocks = <&rcc I2C2_CK>;
175			status = "disabled";
176		};
177
178		i2c3: i2c@40005c00 {
179			compatible = "st,stm32f7-i2c";
180			#address-cells = <1>;
181			#size-cells = <0>;
182			reg = <0x40005C00 0x400>;
183			interrupts = <72>,
184				     <73>;
185			resets = <&rcc STM32H7_APB1L_RESET(I2C3)>;
186			clocks = <&rcc I2C3_CK>;
187			status = "disabled";
188		};
189
190		dac: dac@40007400 {
191			compatible = "st,stm32h7-dac-core";
192			reg = <0x40007400 0x400>;
193			clocks = <&rcc DAC12_CK>;
194			clock-names = "pclk";
195			#address-cells = <1>;
196			#size-cells = <0>;
197			status = "disabled";
198
199			dac1: dac@1 {
200				compatible = "st,stm32-dac";
201				#io-channel-cells = <1>;
202				reg = <1>;
203				status = "disabled";
204			};
205
206			dac2: dac@2 {
207				compatible = "st,stm32-dac";
208				#io-channel-cells = <1>;
209				reg = <2>;
210				status = "disabled";
211			};
212		};
213
214		usart1: serial@40011000 {
215			compatible = "st,stm32h7-uart";
216			reg = <0x40011000 0x400>;
217			interrupts = <37>;
218			status = "disabled";
219			clocks = <&rcc USART1_CK>;
220		};
221
222		spi1: spi@40013000 {
223			#address-cells = <1>;
224			#size-cells = <0>;
225			compatible = "st,stm32h7-spi";
226			reg = <0x40013000 0x400>;
227			interrupts = <35>;
228			resets = <&rcc STM32H7_APB2_RESET(SPI1)>;
229			clocks = <&rcc SPI1_CK>;
230			status = "disabled";
231		};
232
233		spi4: spi@40013400 {
234			#address-cells = <1>;
235			#size-cells = <0>;
236			compatible = "st,stm32h7-spi";
237			reg = <0x40013400 0x400>;
238			interrupts = <84>;
239			resets = <&rcc STM32H7_APB2_RESET(SPI4)>;
240			clocks = <&rcc SPI4_CK>;
241			status = "disabled";
242		};
243
244		spi5: spi@40015000 {
245			#address-cells = <1>;
246			#size-cells = <0>;
247			compatible = "st,stm32h7-spi";
248			reg = <0x40015000 0x400>;
249			interrupts = <85>;
250			resets = <&rcc STM32H7_APB2_RESET(SPI5)>;
251			clocks = <&rcc SPI5_CK>;
252			status = "disabled";
253		};
254
255		dma1: dma-controller@40020000 {
256			compatible = "st,stm32-dma";
257			reg = <0x40020000 0x400>;
258			interrupts = <11>,
259				     <12>,
260				     <13>,
261				     <14>,
262				     <15>,
263				     <16>,
264				     <17>,
265				     <47>;
266			clocks = <&rcc DMA1_CK>;
267			#dma-cells = <4>;
268			st,mem2mem;
269			dma-requests = <8>;
270			status = "disabled";
271		};
272
273		dma2: dma-controller@40020400 {
274			compatible = "st,stm32-dma";
275			reg = <0x40020400 0x400>;
276			interrupts = <56>,
277				     <57>,
278				     <58>,
279				     <59>,
280				     <60>,
281				     <68>,
282				     <69>,
283				     <70>;
284			clocks = <&rcc DMA2_CK>;
285			#dma-cells = <4>;
286			st,mem2mem;
287			dma-requests = <8>;
288			status = "disabled";
289		};
290
291		dmamux1: dma-router@40020800 {
292			compatible = "st,stm32h7-dmamux";
293			reg = <0x40020800 0x40>;
294			#dma-cells = <3>;
295			dma-channels = <16>;
296			dma-requests = <128>;
297			dma-masters = <&dma1 &dma2>;
298			clocks = <&rcc DMA1_CK>;
299		};
300
301		adc_12: adc@40022000 {
302			compatible = "st,stm32h7-adc-core";
303			reg = <0x40022000 0x400>;
304			interrupts = <18>;
305			clocks = <&rcc ADC12_CK>;
306			clock-names = "bus";
307			interrupt-controller;
308			#interrupt-cells = <1>;
309			#address-cells = <1>;
310			#size-cells = <0>;
311			status = "disabled";
312
313			adc1: adc@0 {
314				compatible = "st,stm32h7-adc";
315				#io-channel-cells = <1>;
316				reg = <0x0>;
317				interrupt-parent = <&adc_12>;
318				interrupts = <0>;
319				status = "disabled";
320			};
321
322			adc2: adc@100 {
323				compatible = "st,stm32h7-adc";
324				#io-channel-cells = <1>;
325				reg = <0x100>;
326				interrupt-parent = <&adc_12>;
327				interrupts = <1>;
328				status = "disabled";
329			};
330		};
331
332		usbotg_hs: usb@40040000 {
333			compatible = "st,stm32f7-hsotg";
334			reg = <0x40040000 0x40000>;
335			interrupts = <77>;
336			clocks = <&rcc USB1OTG_CK>;
337			clock-names = "otg";
338			g-rx-fifo-size = <256>;
339			g-np-tx-fifo-size = <32>;
340			g-tx-fifo-size = <128 128 64 64 64 64 32 32>;
341			status = "disabled";
342		};
343
344		usbotg_fs: usb@40080000 {
345			compatible = "st,stm32f4x9-fsotg";
346			reg = <0x40080000 0x40000>;
347			interrupts = <101>;
348			clocks = <&rcc USB2OTG_CK>;
349			clock-names = "otg";
350			status = "disabled";
351		};
352
353		ltdc: display-controller@50001000 {
354			compatible = "st,stm32-ltdc";
355			reg = <0x50001000 0x200>;
356			interrupts = <88>, <89>;
357			resets = <&rcc STM32H7_APB3_RESET(LTDC)>;
358			clocks = <&rcc LTDC_CK>;
359			clock-names = "lcd";
360			status = "disabled";
361		};
362
363		mdma1: dma-controller@52000000 {
364			compatible = "st,stm32h7-mdma";
365			reg = <0x52000000 0x1000>;
366			interrupts = <122>;
367			clocks = <&rcc MDMA_CK>;
368			#dma-cells = <5>;
369			dma-channels = <16>;
370			dma-requests = <32>;
371		};
372
373		sdmmc1: mmc@52007000 {
374			compatible = "arm,pl18x", "arm,primecell";
375			arm,primecell-periphid = <0x10153180>;
376			reg = <0x52007000 0x1000>;
377			interrupts = <49>;
378			clocks = <&rcc SDMMC1_CK>;
379			clock-names = "apb_pclk";
380			resets = <&rcc STM32H7_AHB3_RESET(SDMMC1)>;
381			cap-sd-highspeed;
382			cap-mmc-highspeed;
383			max-frequency = <120000000>;
384		};
385
386		sdmmc2: mmc@48022400 {
387			compatible = "arm,pl18x", "arm,primecell";
388			arm,primecell-periphid = <0x10153180>;
389			reg = <0x48022400 0x400>;
390			interrupts = <124>;
391			clocks = <&rcc SDMMC2_CK>;
392			clock-names = "apb_pclk";
393			resets = <&rcc STM32H7_AHB2_RESET(SDMMC2)>;
394			cap-sd-highspeed;
395			cap-mmc-highspeed;
396			max-frequency = <120000000>;
397			status = "disabled";
398		};
399
400		exti: interrupt-controller@58000000 {
401			compatible = "st,stm32h7-exti";
402			interrupt-controller;
403			#interrupt-cells = <2>;
404			reg = <0x58000000 0x400>;
405			interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <62>, <76>;
406		};
407
408		syscfg: syscon@58000400 {
409			compatible = "st,stm32-syscfg", "syscon";
410			reg = <0x58000400 0x400>;
411		};
412
413		spi6: spi@58001400 {
414			#address-cells = <1>;
415			#size-cells = <0>;
416			compatible = "st,stm32h7-spi";
417			reg = <0x58001400 0x400>;
418			interrupts = <86>;
419			resets = <&rcc STM32H7_APB4_RESET(SPI6)>;
420			clocks = <&rcc SPI6_CK>;
421			status = "disabled";
422		};
423
424		i2c4: i2c@58001c00 {
425			compatible = "st,stm32f7-i2c";
426			#address-cells = <1>;
427			#size-cells = <0>;
428			reg = <0x58001C00 0x400>;
429			interrupts = <95>,
430				     <96>;
431			resets = <&rcc STM32H7_APB4_RESET(I2C4)>;
432			clocks = <&rcc I2C4_CK>;
433			status = "disabled";
434		};
435
436		lptimer2: timer@58002400 {
437			#address-cells = <1>;
438			#size-cells = <0>;
439			compatible = "st,stm32-lptimer";
440			reg = <0x58002400 0x400>;
441			clocks = <&rcc LPTIM2_CK>;
442			clock-names = "mux";
443			status = "disabled";
444
445			pwm {
446				compatible = "st,stm32-pwm-lp";
447				#pwm-cells = <3>;
448				status = "disabled";
449			};
450
451			trigger@1 {
452				compatible = "st,stm32-lptimer-trigger";
453				reg = <1>;
454				status = "disabled";
455			};
456
457			counter {
458				compatible = "st,stm32-lptimer-counter";
459				status = "disabled";
460			};
461		};
462
463		lptimer3: timer@58002800 {
464			#address-cells = <1>;
465			#size-cells = <0>;
466			compatible = "st,stm32-lptimer";
467			reg = <0x58002800 0x400>;
468			clocks = <&rcc LPTIM3_CK>;
469			clock-names = "mux";
470			status = "disabled";
471
472			pwm {
473				compatible = "st,stm32-pwm-lp";
474				#pwm-cells = <3>;
475				status = "disabled";
476			};
477
478			trigger@2 {
479				compatible = "st,stm32-lptimer-trigger";
480				reg = <2>;
481				status = "disabled";
482			};
483		};
484
485		lptimer4: timer@58002c00 {
486			compatible = "st,stm32-lptimer";
487			reg = <0x58002c00 0x400>;
488			clocks = <&rcc LPTIM4_CK>;
489			clock-names = "mux";
490			status = "disabled";
491
492			pwm {
493				compatible = "st,stm32-pwm-lp";
494				#pwm-cells = <3>;
495				status = "disabled";
496			};
497		};
498
499		lptimer5: timer@58003000 {
500			compatible = "st,stm32-lptimer";
501			reg = <0x58003000 0x400>;
502			clocks = <&rcc LPTIM5_CK>;
503			clock-names = "mux";
504			status = "disabled";
505
506			pwm {
507				compatible = "st,stm32-pwm-lp";
508				#pwm-cells = <3>;
509				status = "disabled";
510			};
511		};
512
513		vrefbuf: regulator@58003c00 {
514			compatible = "st,stm32-vrefbuf";
515			reg = <0x58003C00 0x8>;
516			clocks = <&rcc VREF_CK>;
517			regulator-min-microvolt = <1500000>;
518			regulator-max-microvolt = <2500000>;
519			status = "disabled";
520		};
521
522		rtc: rtc@58004000 {
523			compatible = "st,stm32h7-rtc";
524			reg = <0x58004000 0x400>;
525			clocks = <&rcc RTCAPB_CK>, <&rcc RTC_CK>;
526			clock-names = "pclk", "rtc_ck";
527			assigned-clocks = <&rcc RTC_CK>;
528			assigned-clock-parents = <&rcc LSE_CK>;
529			interrupt-parent = <&exti>;
530			interrupts = <17 IRQ_TYPE_EDGE_RISING>;
531			st,syscfg = <&pwrcfg 0x00 0x100>;
532			status = "disabled";
533		};
534
535		rcc: reset-clock-controller@58024400 {
536			compatible = "st,stm32h743-rcc", "st,stm32-rcc";
537			reg = <0x58024400 0x400>;
538			#clock-cells = <1>;
539			#reset-cells = <1>;
540			clocks = <&clk_hse>, <&clk_lse>, <&clk_i2s>;
541			st,syscfg = <&pwrcfg>;
542		};
543
544		pwrcfg: power-config@58024800 {
545			compatible = "st,stm32-power-config", "syscon";
546			reg = <0x58024800 0x400>;
547		};
548
549		adc_3: adc@58026000 {
550			compatible = "st,stm32h7-adc-core";
551			reg = <0x58026000 0x400>;
552			interrupts = <127>;
553			clocks = <&rcc ADC3_CK>;
554			clock-names = "bus";
555			interrupt-controller;
556			#interrupt-cells = <1>;
557			#address-cells = <1>;
558			#size-cells = <0>;
559			status = "disabled";
560
561			adc3: adc@0 {
562				compatible = "st,stm32h7-adc";
563				#io-channel-cells = <1>;
564				reg = <0x0>;
565				interrupt-parent = <&adc_3>;
566				interrupts = <0>;
567				status = "disabled";
568			};
569		};
570
571		mac: ethernet@40028000 {
572			compatible = "st,stm32-dwmac", "snps,dwmac-4.10a";
573			reg = <0x40028000 0x8000>;
574			reg-names = "stmmaceth";
575			interrupts = <61>;
576			interrupt-names = "macirq";
577			clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";
578			clocks = <&rcc ETH1MAC_CK>, <&rcc ETH1TX_CK>, <&rcc ETH1RX_CK>;
579			st,syscon = <&syscfg 0x4>;
580			snps,pbl = <8>;
581			status = "disabled";
582		};
583
584		pinctrl: pinctrl@58020000 {
585			#address-cells = <1>;
586			#size-cells = <1>;
587			compatible = "st,stm32h743-pinctrl";
588			ranges = <0 0x58020000 0x3000>;
589			interrupt-parent = <&exti>;
590			st,syscfg = <&syscfg 0x8>;
591
592			gpioa: gpio@58020000 {
593				gpio-controller;
594				#gpio-cells = <2>;
595				reg = <0x0 0x400>;
596				clocks = <&rcc GPIOA_CK>;
597				st,bank-name = "GPIOA";
598				interrupt-controller;
599				#interrupt-cells = <2>;
600				ngpios = <16>;
601				gpio-ranges = <&pinctrl 0 0 16>;
602			};
603
604			gpiob: gpio@58020400 {
605				gpio-controller;
606				#gpio-cells = <2>;
607				reg = <0x400 0x400>;
608				clocks = <&rcc GPIOB_CK>;
609				st,bank-name = "GPIOB";
610				interrupt-controller;
611				#interrupt-cells = <2>;
612				ngpios = <16>;
613				gpio-ranges = <&pinctrl 0 16 16>;
614			};
615
616			gpioc: gpio@58020800 {
617				gpio-controller;
618				#gpio-cells = <2>;
619				reg = <0x800 0x400>;
620				clocks = <&rcc GPIOC_CK>;
621				st,bank-name = "GPIOC";
622				interrupt-controller;
623				#interrupt-cells = <2>;
624				ngpios = <16>;
625				gpio-ranges = <&pinctrl 0 32 16>;
626			};
627
628			gpiod: gpio@58020c00 {
629				gpio-controller;
630				#gpio-cells = <2>;
631				reg = <0xc00 0x400>;
632				clocks = <&rcc GPIOD_CK>;
633				st,bank-name = "GPIOD";
634				interrupt-controller;
635				#interrupt-cells = <2>;
636				ngpios = <16>;
637				gpio-ranges = <&pinctrl 0 48 16>;
638			};
639
640			gpioe: gpio@58021000 {
641				gpio-controller;
642				#gpio-cells = <2>;
643				reg = <0x1000 0x400>;
644				clocks = <&rcc GPIOE_CK>;
645				st,bank-name = "GPIOE";
646				interrupt-controller;
647				#interrupt-cells = <2>;
648				ngpios = <16>;
649				gpio-ranges = <&pinctrl 0 64 16>;
650			};
651
652			gpiof: gpio@58021400 {
653				gpio-controller;
654				#gpio-cells = <2>;
655				reg = <0x1400 0x400>;
656				clocks = <&rcc GPIOF_CK>;
657				st,bank-name = "GPIOF";
658				interrupt-controller;
659				#interrupt-cells = <2>;
660				ngpios = <16>;
661				gpio-ranges = <&pinctrl 0 80 16>;
662			};
663
664			gpiog: gpio@58021800 {
665				gpio-controller;
666				#gpio-cells = <2>;
667				reg = <0x1800 0x400>;
668				clocks = <&rcc GPIOG_CK>;
669				st,bank-name = "GPIOG";
670				interrupt-controller;
671				#interrupt-cells = <2>;
672				ngpios = <16>;
673				gpio-ranges = <&pinctrl 0 96 16>;
674			};
675
676			gpioh: gpio@58021c00 {
677				gpio-controller;
678				#gpio-cells = <2>;
679				reg = <0x1c00 0x400>;
680				clocks = <&rcc GPIOH_CK>;
681				st,bank-name = "GPIOH";
682				interrupt-controller;
683				#interrupt-cells = <2>;
684				ngpios = <16>;
685				gpio-ranges = <&pinctrl 0 112 16>;
686			};
687
688			gpioi: gpio@58022000 {
689				gpio-controller;
690				#gpio-cells = <2>;
691				reg = <0x2000 0x400>;
692				clocks = <&rcc GPIOI_CK>;
693				st,bank-name = "GPIOI";
694				interrupt-controller;
695				#interrupt-cells = <2>;
696				ngpios = <16>;
697				gpio-ranges = <&pinctrl 0 128 16>;
698			};
699
700			gpioj: gpio@58022400 {
701				gpio-controller;
702				#gpio-cells = <2>;
703				reg = <0x2400 0x400>;
704				clocks = <&rcc GPIOJ_CK>;
705				st,bank-name = "GPIOJ";
706				interrupt-controller;
707				#interrupt-cells = <2>;
708				ngpios = <16>;
709				gpio-ranges = <&pinctrl 0 144 16>;
710			};
711
712			gpiok: gpio@58022800 {
713				gpio-controller;
714				#gpio-cells = <2>;
715				reg = <0x2800 0x400>;
716				clocks = <&rcc GPIOK_CK>;
717				st,bank-name = "GPIOK";
718				interrupt-controller;
719				#interrupt-cells = <2>;
720				ngpios = <8>;
721				gpio-ranges = <&pinctrl 0 160 8>;
722			};
723		};
724	};
725};
726
727&systick {
728	clock-frequency = <250000000>;
729	status = "okay";
730};
731