xref: /linux/arch/arm/boot/dts/microchip/at91-sama7g54_curiosity.dts (revision 7255fcc80d4b525cc10cfaaf7f485830d4ed2000) 
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
77&adc {
78	vddana-supply = <&vddout25>;
79	vref-supply = <&vddout25>;
80	pinctrl-names = "default";
81	pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
82	status = "okay";
83};
84
85&cpu0 {
86	cpu-supply = <&vddcpu>;
87};
88
89&dma0 {
90	status = "okay";
91};
92
93&dma1 {
94	status = "okay";
95};
96
97&dma2 {
98	status = "okay";
99};
100
101&ebi {
102	pinctrl-names = "default";
103	pinctrl-0 = <&pinctrl_nand_default>;
104	status = "okay";
105
106	nand_controller: nand-controller {
107		status = "okay";
108
109		nand@3 {
110			reg = <0x3 0x0 0x800000>;
111			atmel,rb = <0>;
112			nand-bus-width = <8>;
113			nand-ecc-mode = "hw";
114			nand-ecc-strength = <8>;
115			nand-ecc-step-size = <512>;
116			nand-on-flash-bbt;
117			label = "nand";
118
119			partitions {
120				compatible = "fixed-partitions";
121				#address-cells = <1>;
122				#size-cells = <1>;
123
124				at91bootstrap@0 {
125					label = "nand: at91bootstrap";
126					reg = <0x0 0x40000>;
127				};
128
129				bootloader@40000 {
130					label = "nand: u-boot";
131					reg = <0x40000 0x100000>;
132				};
133
134				bootloaderenv@140000 {
135					label = "nand: u-boot env";
136					reg = <0x140000 0x40000>;
137				};
138
139				dtb@180000 {
140					label = "nand: device tree";
141					reg = <0x180000 0x80000>;
142				};
143
144				kernel@200000 {
145					label = "nand: kernel";
146					reg = <0x200000 0x600000>;
147				};
148
149				rootfs@800000 {
150					label = "nand: rootfs";
151					reg = <0x800000 0x1f800000>;
152				};
153			};
154		};
155	};
156};
157
158&flx3 {
159	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
160	status = "okay";
161
162	uart3: serial@200 {
163		pinctrl-names = "default";
164		pinctrl-0 = <&pinctrl_flx3_default>;
165		status = "okay";
166	};
167};
168
169&flx10 {
170	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
171	status = "okay";
172
173	i2c10: i2c@600 {
174		pinctrl-names = "default";
175		pinctrl-0 = <&pinctrl_flx10_default>;
176		i2c-analog-filter;
177		i2c-digital-filter;
178		i2c-digital-filter-width-ns = <35>;
179		status = "okay";
180
181		eeprom@51 {
182			compatible = "atmel,24c02";
183			reg = <0x51>;
184			pagesize = <16>;
185			size = <256>;
186			vcc-supply = <&vdd_3v3>;
187		};
188
189		pmic@5b {
190			compatible = "microchip,mcp16502";
191			reg = <0x5b>;
192
193			regulators {
194				vdd_3v3: VDD_IO {
195					regulator-name = "VDD_IO";
196					regulator-min-microvolt = <3300000>;
197					regulator-max-microvolt = <3300000>;
198					regulator-initial-mode = <2>;
199					regulator-allowed-modes = <2>, <4>;
200					regulator-always-on;
201
202					regulator-state-standby {
203						regulator-on-in-suspend;
204						regulator-suspend-microvolt = <3300000>;
205						regulator-mode = <4>;
206					};
207
208					regulator-state-mem {
209						regulator-off-in-suspend;
210						regulator-mode = <4>;
211					};
212				};
213
214				vddioddr: VDD_DDR {
215					regulator-name = "VDD_DDR";
216					regulator-min-microvolt = <1350000>;
217					regulator-max-microvolt = <1350000>;
218					regulator-initial-mode = <2>;
219					regulator-allowed-modes = <2>, <4>;
220					regulator-always-on;
221
222					regulator-state-standby {
223						regulator-on-in-suspend;
224						regulator-suspend-microvolt = <1350000>;
225						regulator-mode = <4>;
226					};
227
228					regulator-state-mem {
229						regulator-on-in-suspend;
230						regulator-suspend-microvolt = <1350000>;
231						regulator-mode = <4>;
232					};
233				};
234
235				vddcore: VDD_CORE {
236					regulator-name = "VDD_CORE";
237					regulator-min-microvolt = <1150000>;
238					regulator-max-microvolt = <1150000>;
239					regulator-initial-mode = <2>;
240					regulator-allowed-modes = <2>, <4>;
241					regulator-always-on;
242
243					regulator-state-standby {
244						regulator-on-in-suspend;
245						regulator-suspend-voltage = <1150000>;
246						regulator-mode = <4>;
247					};
248
249					regulator-state-mem {
250						regulator-off-in-suspend;
251						regulator-mode = <4>;
252					};
253				};
254
255				vddcpu: VDD_OTHER {
256					regulator-name = "VDD_OTHER";
257					regulator-min-microvolt = <1050000>;
258					regulator-max-microvolt = <1250000>;
259					regulator-initial-mode = <2>;
260					regulator-allowed-modes = <2>, <4>;
261					regulator-ramp-delay = <3125>;
262					regulator-always-on;
263
264					regulator-state-standby {
265						regulator-on-in-suspend;
266						regulator-suspend-voltage = <1050000>;
267						regulator-mode = <4>;
268					};
269
270					regulator-state-mem {
271						regulator-off-in-suspend;
272						regulator-mode = <4>;
273					};
274				};
275
276				vldo1: LDO1 {
277					regulator-name = "LDO1";
278					regulator-min-microvolt = <1800000>;
279					regulator-max-microvolt = <1800000>;
280					regulator-always-on;
281
282					regulator-state-standby {
283						regulator-suspend-voltage = <1800000>;
284						regulator-on-in-suspend;
285					};
286
287					regulator-state-mem {
288						regulator-off-in-suspend;
289					};
290				};
291
292				vldo2: LDO2 {
293					regulator-name = "LDO2";
294					regulator-min-microvolt = <3300000>;
295					regulator-max-microvolt = <3300000>;
296					regulator-always-on;
297
298					regulator-state-standby {
299						regulator-suspend-voltage = <3300000>;
300						regulator-on-in-suspend;
301					};
302
303					regulator-state-mem {
304						regulator-off-in-suspend;
305					};
306				};
307			};
308		};
309	};
310};
311
312&main_xtal {
313	clock-frequency = <24000000>;
314};
315
316&qspi1 {
317	pinctrl-names = "default";
318	pinctrl-0 = <&pinctrl_qspi1_default>;
319	status = "okay";
320
321	flash@0 {
322		compatible = "jedec,spi-nor";
323		reg = <0x0>;
324		spi-max-frequency = <100000000>;
325		spi-tx-bus-width = <4>;
326		spi-rx-bus-width = <4>;
327		m25p,fast-read;
328	};
329};
330
331&pioA {
332	pinctrl_flx3_default: flx3-default {
333		pinmux = <PIN_PD16__FLEXCOM3_IO0>,
334			 <PIN_PD17__FLEXCOM3_IO1>;
335		bias-pull-up;
336	};
337
338	pinctrl_flx10_default: flx10-default {
339		pinmux = <PIN_PC30__FLEXCOM10_IO0>,
340			 <PIN_PC31__FLEXCOM10_IO1>;
341		bias-pull-up;
342	};
343
344	pinctrl_key_gpio_default: key-gpio-default {
345		pinmux = <PIN_PD19__GPIO>;
346		bias-pull-up;
347	};
348
349	pinctrl_led_gpio_default: led-gpio-default {
350		pinmux = <PIN_PD13__GPIO>,
351			 <PIN_PD14__GPIO>,
352			 <PIN_PB15__GPIO>;
353		bias-pull-up;
354	};
355
356	pinctrl_mikrobus1_an_default: mikrobus1-an-default {
357		pinmux = <PIN_PC15__GPIO>;
358		bias-disable;
359	};
360
361	pinctrl_mikrobus2_an_default: mikrobus2-an-default {
362		pinmux = <PIN_PC13__GPIO>;
363		bias-disable;
364	};
365
366	pinctrl_nand_default: nand-default {
367		pinmux = <PIN_PD9__D0>,
368			 <PIN_PD10__D1>,
369			 <PIN_PD11__D2>,
370			 <PIN_PC21__D3>,
371			 <PIN_PC22__D4>,
372			 <PIN_PC23__D5>,
373			 <PIN_PC24__D6>,
374			 <PIN_PD2__D7>,
375			 <PIN_PD3__NANDRDY>,
376			 <PIN_PD4__NCS3_NANDCS>,
377			 <PIN_PD5__NWE_NWR0_NANDWE>,
378			 <PIN_PD6__NRD_NANDOE>,
379			 <PIN_PD7__A21_NANDALE>,
380			 <PIN_PD8__A22_NANDCLE>;
381		bias-disable;
382		slew-rate = <0>;
383	};
384
385	pinctrl_qspi1_default: qspi1-default {
386		pinmux = <PIN_PB22__QSPI1_IO3>,
387			 <PIN_PB23__QSPI1_IO2>,
388			 <PIN_PB24__QSPI1_IO1>,
389			 <PIN_PB25__QSPI1_IO0>,
390			 <PIN_PB26__QSPI1_CS>,
391			 <PIN_PB27__QSPI1_SCK>;
392		bias-pull-up;
393		slew-rate = <0>;
394	};
395
396	pinctrl_sdmmc0_default: sdmmc0-default {
397		pinmux = <PIN_PA0__SDMMC0_CK>,
398			 <PIN_PA1__SDMMC0_CMD>,
399			 <PIN_PA2__SDMMC0_RSTN>,
400			 <PIN_PA3__SDMMC0_DAT0>,
401			 <PIN_PA4__SDMMC0_DAT1>,
402			 <PIN_PA5__SDMMC0_DAT2>,
403			 <PIN_PA6__SDMMC0_DAT3>;
404		bias-pull-up;
405		slew-rate = <0>;
406	};
407
408	pinctrl_sdmmc1_default: sdmmc1-default {
409		pinmux = <PIN_PB29__SDMMC1_CMD>,
410			 <PIN_PB30__SDMMC1_CK>,
411			 <PIN_PB31__SDMMC1_DAT0>,
412			 <PIN_PC0__SDMMC1_DAT1>,
413			 <PIN_PC1__SDMMC1_DAT2>,
414			 <PIN_PC2__SDMMC1_DAT3>,
415			 <PIN_PC4__SDMMC1_CD>;
416		bias-pull-up;
417		slew-rate = <0>;
418	};
419};
420
421&rtt {
422	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
423};
424
425/* M.2 slot for wireless card */
426&sdmmc0 {
427	bus-width = <4>;
428	cd-gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
429	disable-wp;
430	sdhci-caps-mask = <0x0 0x00200000>;
431	vmmc-supply = <&vdd_3v3>;
432	vqmmc-supply = <&vdd_3v3>;
433	pinctrl-names = "default";
434	pinctrl-0 = <&pinctrl_sdmmc0_default>;
435	status = "okay";
436};
437
438/* micro SD socket */
439&sdmmc1 {
440	bus-width = <4>;
441	disable-wp;
442	sdhci-caps-mask = <0x0 0x00200000>;
443	vmmc-supply = <&vdd_3v3>;
444	vqmmc-supply = <&vdd_3v3>;
445	pinctrl-names = "default";
446	pinctrl-0 = <&pinctrl_sdmmc1_default>;
447	status = "okay";
448};
449
450&slow_xtal {
451	clock-frequency = <32768>;
452};
453
454&shdwc {
455	debounce-delay-us = <976>;
456	status = "okay";
457
458	input@0 {
459		reg = <0>;
460	};
461};
462
463&tcb0 {
464	timer0: timer@0 {
465		compatible = "atmel,tcb-timer";
466		reg = <0>;
467	};
468
469	timer1: timer@1 {
470		compatible = "atmel,tcb-timer";
471		reg = <1>;
472	};
473};
474
475&trng {
476	status = "okay";
477};
478
479&vddout25 {
480	vin-supply = <&vdd_3v3>;
481	status = "okay";
482};
483