xref: /linux/arch/arm/boot/dts/microchip/at91-sama7g54_curiosity.dts (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5) 
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * at91-sama7g54_curiosity.dts - Device Tree file for SAMA7G54 Curiosity Board
4 *
5 * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
6 *
7 * Author: Mihai Sain <mihai.sain@microchip.com>
8 *
9 */
10/dts-v1/;
11#include "sama7g5-pinfunc.h"
12#include "sama7g5.dtsi"
13#include <dt-bindings/input/input.h>
14#include <dt-bindings/leds/common.h>
15#include <dt-bindings/mfd/atmel-flexcom.h>
16#include <dt-bindings/pinctrl/at91.h>
17
18/ {
19	model = "Microchip SAMA7G54 Curiosity";
20	compatible = "microchip,sama7g54-curiosity", "microchip,sama7g5", "microchip,sama7";
21
22	aliases {
23		serial0 = &uart3;
24		i2c0 = &i2c10;
25	};
26
27	chosen {
28		stdout-path = "serial0:115200n8";
29	};
30
31	gpio-keys {
32		compatible = "gpio-keys";
33		pinctrl-names = "default";
34		pinctrl-0 = <&pinctrl_key_gpio_default>;
35
36		button-user {
37			label = "user-button";
38			gpios = <&pioA PIN_PD19 GPIO_ACTIVE_LOW>;
39			linux,code = <KEY_PROG1>;
40			wakeup-source;
41		};
42	};
43
44	leds {
45		compatible = "gpio-leds";
46		pinctrl-names = "default";
47		pinctrl-0 = <&pinctrl_led_gpio_default>;
48
49		led-red {
50			color = <LED_COLOR_ID_RED>;
51			function = LED_FUNCTION_POWER;
52			gpios = <&pioA PIN_PD13 GPIO_ACTIVE_HIGH>;
53			default-state = "off";
54		};
55
56		led-green {
57			color = <LED_COLOR_ID_GREEN>;
58			function = LED_FUNCTION_BOOT;
59			gpios = <&pioA PIN_PD14 GPIO_ACTIVE_HIGH>;
60			default-state = "off";
61		};
62
63		led-blue {
64			color = <LED_COLOR_ID_BLUE>;
65			function = LED_FUNCTION_CPU;
66			gpios = <&pioA PIN_PB15 GPIO_ACTIVE_HIGH>;
67			linux,default-trigger = "heartbeat";
68		};
69	};
70
71	memory@60000000 {
72		device_type = "memory";
73		reg = <0x60000000 0x10000000>; /* 256 MiB DDR3L-1066 16-bit */
74	};
75
76	reg_5v: regulator-5v {
77		compatible = "regulator-fixed";
78		regulator-name = "5V_MAIN";
79		regulator-min-microvolt = <5000000>;
80		regulator-max-microvolt = <5000000>;
81		regulator-always-on;
82	};
83};
84
85&adc {
86	vddana-supply = <&vddout25>;
87	vref-supply = <&vddout25>;
88	pinctrl-names = "default";
89	pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
90	status = "okay";
91};
92
93&cpu0 {
94	cpu-supply = <&vddcpu>;
95};
96
97&dma0 {
98	status = "okay";
99};
100
101&dma1 {
102	status = "okay";
103};
104
105&dma2 {
106	status = "okay";
107};
108
109&ebi {
110	pinctrl-names = "default";
111	pinctrl-0 = <&pinctrl_nand_default>;
112	status = "okay";
113
114	nand_controller: nand-controller {
115		status = "okay";
116
117		nand@3 {
118			reg = <0x3 0x0 0x800000>;
119			atmel,rb = <0>;
120			nand-bus-width = <8>;
121			nand-ecc-mode = "hw";
122			nand-ecc-strength = <8>;
123			nand-ecc-step-size = <512>;
124			nand-on-flash-bbt;
125			label = "nand";
126
127			partitions {
128				compatible = "fixed-partitions";
129				#address-cells = <1>;
130				#size-cells = <1>;
131
132				at91bootstrap@0 {
133					label = "nand: at91bootstrap";
134					reg = <0x0 0x40000>;
135				};
136
137				bootloader@40000 {
138					label = "nand: u-boot";
139					reg = <0x40000 0x100000>;
140				};
141
142				bootloaderenv@140000 {
143					label = "nand: u-boot env";
144					reg = <0x140000 0x40000>;
145				};
146
147				dtb@180000 {
148					label = "nand: device tree";
149					reg = <0x180000 0x80000>;
150				};
151
152				kernel@200000 {
153					label = "nand: kernel";
154					reg = <0x200000 0x600000>;
155				};
156
157				rootfs@800000 {
158					label = "nand: rootfs";
159					reg = <0x800000 0x1f800000>;
160				};
161			};
162		};
163	};
164};
165
166&flx3 {
167	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
168	status = "okay";
169
170	uart3: serial@200 {
171		pinctrl-names = "default";
172		pinctrl-0 = <&pinctrl_flx3_default>;
173		status = "okay";
174	};
175};
176
177&flx10 {
178	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
179	status = "okay";
180
181	i2c10: i2c@600 {
182		pinctrl-names = "default";
183		pinctrl-0 = <&pinctrl_flx10_default>;
184		i2c-analog-filter;
185		i2c-digital-filter;
186		i2c-digital-filter-width-ns = <35>;
187		status = "okay";
188
189		eeprom@51 {
190			compatible = "atmel,24c02";
191			reg = <0x51>;
192			pagesize = <16>;
193			size = <256>;
194			vcc-supply = <&vdd_3v3>;
195		};
196
197		pmic@5b {
198			compatible = "microchip,mcp16502";
199			reg = <0x5b>;
200			lvin-supply = <&reg_5v>;
201			pvin1-supply = <&reg_5v>;
202			pvin2-supply = <&reg_5v>;
203			pvin3-supply = <&reg_5v>;
204			pvin4-supply = <&reg_5v>;
205
206			regulators {
207				vdd_3v3: VDD_IO {
208					regulator-name = "VDD_IO";
209					regulator-min-microvolt = <3300000>;
210					regulator-max-microvolt = <3300000>;
211					regulator-initial-mode = <2>;
212					regulator-allowed-modes = <2>, <4>;
213					regulator-always-on;
214
215					regulator-state-standby {
216						regulator-on-in-suspend;
217						regulator-suspend-microvolt = <3300000>;
218						regulator-mode = <4>;
219					};
220
221					regulator-state-mem {
222						regulator-off-in-suspend;
223						regulator-mode = <4>;
224					};
225				};
226
227				vddioddr: VDD_DDR {
228					regulator-name = "VDD_DDR";
229					regulator-min-microvolt = <1350000>;
230					regulator-max-microvolt = <1350000>;
231					regulator-initial-mode = <2>;
232					regulator-allowed-modes = <2>, <4>;
233					regulator-always-on;
234
235					regulator-state-standby {
236						regulator-on-in-suspend;
237						regulator-suspend-microvolt = <1350000>;
238						regulator-mode = <4>;
239					};
240
241					regulator-state-mem {
242						regulator-on-in-suspend;
243						regulator-suspend-microvolt = <1350000>;
244						regulator-mode = <4>;
245					};
246				};
247
248				vddcore: VDD_CORE {
249					regulator-name = "VDD_CORE";
250					regulator-min-microvolt = <1150000>;
251					regulator-max-microvolt = <1150000>;
252					regulator-initial-mode = <2>;
253					regulator-allowed-modes = <2>, <4>;
254					regulator-always-on;
255
256					regulator-state-standby {
257						regulator-on-in-suspend;
258						regulator-suspend-microvolt = <1150000>;
259						regulator-mode = <4>;
260					};
261
262					regulator-state-mem {
263						regulator-off-in-suspend;
264						regulator-mode = <4>;
265					};
266				};
267
268				vddcpu: VDD_OTHER {
269					regulator-name = "VDD_OTHER";
270					regulator-min-microvolt = <1050000>;
271					regulator-max-microvolt = <1250000>;
272					regulator-initial-mode = <2>;
273					regulator-allowed-modes = <2>, <4>;
274					regulator-ramp-delay = <3125>;
275					regulator-always-on;
276
277					regulator-state-standby {
278						regulator-on-in-suspend;
279						regulator-suspend-microvolt = <1050000>;
280						regulator-mode = <4>;
281					};
282
283					regulator-state-mem {
284						regulator-off-in-suspend;
285						regulator-mode = <4>;
286					};
287				};
288
289				vldo1: LDO1 {
290					regulator-name = "LDO1";
291					regulator-min-microvolt = <1800000>;
292					regulator-max-microvolt = <1800000>;
293					regulator-always-on;
294
295					regulator-state-standby {
296						regulator-suspend-microvolt = <1800000>;
297						regulator-on-in-suspend;
298					};
299
300					regulator-state-mem {
301						regulator-off-in-suspend;
302					};
303				};
304
305				vldo2: LDO2 {
306					regulator-name = "LDO2";
307					regulator-min-microvolt = <3300000>;
308					regulator-max-microvolt = <3300000>;
309					regulator-always-on;
310
311					regulator-state-standby {
312						regulator-suspend-microvolt = <3300000>;
313						regulator-on-in-suspend;
314					};
315
316					regulator-state-mem {
317						regulator-off-in-suspend;
318					};
319				};
320			};
321		};
322	};
323};
324
325&main_xtal {
326	clock-frequency = <24000000>;
327};
328
329&qspi1 {
330	pinctrl-names = "default";
331	pinctrl-0 = <&pinctrl_qspi1_default>;
332	status = "okay";
333
334	flash@0 {
335		compatible = "jedec,spi-nor";
336		reg = <0x0>;
337		spi-max-frequency = <100000000>;
338		spi-tx-bus-width = <4>;
339		spi-rx-bus-width = <4>;
340		m25p,fast-read;
341	};
342};
343
344&pioA {
345	pinctrl_flx3_default: flx3-default {
346		pinmux = <PIN_PD16__FLEXCOM3_IO0>,
347			 <PIN_PD17__FLEXCOM3_IO1>;
348		bias-pull-up;
349	};
350
351	pinctrl_flx10_default: flx10-default {
352		pinmux = <PIN_PC30__FLEXCOM10_IO0>,
353			 <PIN_PC31__FLEXCOM10_IO1>;
354		bias-pull-up;
355	};
356
357	pinctrl_key_gpio_default: key-gpio-default {
358		pinmux = <PIN_PD19__GPIO>;
359		bias-pull-up;
360	};
361
362	pinctrl_led_gpio_default: led-gpio-default {
363		pinmux = <PIN_PD13__GPIO>,
364			 <PIN_PD14__GPIO>,
365			 <PIN_PB15__GPIO>;
366		bias-pull-up;
367	};
368
369	pinctrl_mikrobus1_an_default: mikrobus1-an-default {
370		pinmux = <PIN_PC15__GPIO>;
371		bias-disable;
372	};
373
374	pinctrl_mikrobus2_an_default: mikrobus2-an-default {
375		pinmux = <PIN_PC13__GPIO>;
376		bias-disable;
377	};
378
379	pinctrl_nand_default: nand-default {
380		pinmux = <PIN_PD9__D0>,
381			 <PIN_PD10__D1>,
382			 <PIN_PD11__D2>,
383			 <PIN_PC21__D3>,
384			 <PIN_PC22__D4>,
385			 <PIN_PC23__D5>,
386			 <PIN_PC24__D6>,
387			 <PIN_PD2__D7>,
388			 <PIN_PD3__NANDRDY>,
389			 <PIN_PD4__NCS3_NANDCS>,
390			 <PIN_PD5__NWE_NWR0_NANDWE>,
391			 <PIN_PD6__NRD_NANDOE>,
392			 <PIN_PD7__A21_NANDALE>,
393			 <PIN_PD8__A22_NANDCLE>;
394		bias-disable;
395		slew-rate = <0>;
396	};
397
398	pinctrl_qspi1_default: qspi1-default {
399		pinmux = <PIN_PB22__QSPI1_IO3>,
400			 <PIN_PB23__QSPI1_IO2>,
401			 <PIN_PB24__QSPI1_IO1>,
402			 <PIN_PB25__QSPI1_IO0>,
403			 <PIN_PB26__QSPI1_CS>,
404			 <PIN_PB27__QSPI1_SCK>;
405		bias-pull-up;
406		slew-rate = <0>;
407	};
408
409	pinctrl_sdmmc0_default: sdmmc0-default {
410		pinmux = <PIN_PA0__SDMMC0_CK>,
411			 <PIN_PA1__SDMMC0_CMD>,
412			 <PIN_PA2__SDMMC0_RSTN>,
413			 <PIN_PA3__SDMMC0_DAT0>,
414			 <PIN_PA4__SDMMC0_DAT1>,
415			 <PIN_PA5__SDMMC0_DAT2>,
416			 <PIN_PA6__SDMMC0_DAT3>;
417		bias-pull-up;
418		slew-rate = <0>;
419	};
420
421	pinctrl_sdmmc1_default: sdmmc1-default {
422		pinmux = <PIN_PB29__SDMMC1_CMD>,
423			 <PIN_PB30__SDMMC1_CK>,
424			 <PIN_PB31__SDMMC1_DAT0>,
425			 <PIN_PC0__SDMMC1_DAT1>,
426			 <PIN_PC1__SDMMC1_DAT2>,
427			 <PIN_PC2__SDMMC1_DAT3>,
428			 <PIN_PC4__SDMMC1_CD>;
429		bias-pull-up;
430		slew-rate = <0>;
431	};
432};
433
434&rtt {
435	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
436};
437
438/* M.2 slot for wireless card */
439&sdmmc0 {
440	bus-width = <4>;
441	cd-gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
442	disable-wp;
443	sdhci-caps-mask = <0x0 0x00200000>;
444	vmmc-supply = <&vdd_3v3>;
445	vqmmc-supply = <&vdd_3v3>;
446	pinctrl-names = "default";
447	pinctrl-0 = <&pinctrl_sdmmc0_default>;
448	status = "okay";
449};
450
451/* micro SD socket */
452&sdmmc1 {
453	bus-width = <4>;
454	disable-wp;
455	sdhci-caps-mask = <0x0 0x00200000>;
456	vmmc-supply = <&vdd_3v3>;
457	vqmmc-supply = <&vdd_3v3>;
458	pinctrl-names = "default";
459	pinctrl-0 = <&pinctrl_sdmmc1_default>;
460	status = "okay";
461};
462
463&slow_xtal {
464	clock-frequency = <32768>;
465};
466
467&shdwc {
468	debounce-delay-us = <976>;
469	status = "okay";
470
471	input@0 {
472		reg = <0>;
473	};
474};
475
476&tcb0 {
477	timer0: timer@0 {
478		compatible = "atmel,tcb-timer";
479		reg = <0>;
480	};
481
482	timer1: timer@1 {
483		compatible = "atmel,tcb-timer";
484		reg = <1>;
485	};
486};
487
488&trng {
489	status = "okay";
490};
491
492&vddout25 {
493	vin-supply = <&vdd_3v3>;
494	status = "okay";
495};
496