xref: /linux/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts (revision 6e9a12f85a7567bb9a41d5230468886bd6a27b20) 
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 *  at91-sama7d65_curiosity.dts - Device Tree file for SAMA7D65 Curiosity board
4 *
5 *  Copyright (c) 2024 Microchip Technology Inc. and its subsidiaries
6 *
7 *  Author: Romain Sioen <romain.sioen@microchip.com>
8 *
9 */
10/dts-v1/;
11#include "sama7d65-pinfunc.h"
12#include "sama7d65.dtsi"
13#include <dt-bindings/mfd/atmel-flexcom.h>
14#include <dt-bindings/pinctrl/at91.h>
15
16/ {
17	model = "Microchip SAMA7D65 Curiosity";
18	compatible = "microchip,sama7d65-curiosity", "microchip,sama7d65",
19		     "microchip,sama7d6", "microchip,sama7";
20
21	aliases {
22		serial0 = &uart6;
23	};
24
25	chosen {
26		stdout-path = "serial0:115200n8";
27	};
28
29	memory@60000000 {
30		device_type = "memory";
31		reg = <0x60000000 0x40000000>;
32	};
33
34	reg_5v: regulator-5v {
35		compatible = "regulator-fixed";
36		regulator-name = "5V_MAIN";
37		regulator-min-microvolt = <5000000>;
38		regulator-max-microvolt = <5000000>;
39		regulator-always-on;
40	};
41};
42
43&can1 {
44	pinctrl-names = "default";
45	pinctrl-0 = <&pinctrl_can1_default>;
46	status = "okay";
47};
48
49&can2 {
50	pinctrl-names = "default";
51	pinctrl-0 = <&pinctrl_can2_default>;
52	status = "okay";
53};
54
55&can3 {
56	pinctrl-names = "default";
57	pinctrl-0 = <&pinctrl_can3_default>;
58	status = "okay";
59};
60
61&dma0 {
62	status = "okay";
63};
64
65&dma1 {
66	status = "okay";
67};
68
69&dma2 {
70	status = "okay";
71};
72
73&flx6 {
74	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
75	status = "okay";
76};
77
78&uart6 {
79	pinctrl-names = "default";
80	pinctrl-0 = <&pinctrl_uart6_default>;
81	status = "okay";
82};
83
84&flx10 {
85	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
86	status = "okay";
87};
88
89&gmac0 {
90	#address-cells = <1>;
91	#size-cells = <0>;
92	pinctrl-names = "default";
93	pinctrl-0 = <&pinctrl_gmac0_default
94		     &pinctrl_gmac0_mdio_default
95		     &pinctrl_gmac0_txck_default
96		     &pinctrl_gmac0_phy_irq>;
97	phy-mode = "rgmii-id";
98	nvmem-cells = <&eeprom0_eui48>;
99	nvmem-cell-names = "mac-address";
100	status = "okay";
101
102	ethernet-phy@7 {
103		reg = <0x7>;
104		interrupt-parent = <&pioa>;
105		interrupts = <PIN_PC1 IRQ_TYPE_LEVEL_LOW>;
106	};
107};
108
109&i2c10 {
110	dmas = <0>, <0>;
111	i2c-analog-filter;
112	i2c-digital-filter;
113	i2c-digital-filter-width-ns = <35>;
114	pinctrl-names = "default";
115	pinctrl-0 = <&pinctrl_i2c10_default>;
116	status = "okay";
117
118	power-monitor@10 {
119		compatible = "microchip,pac1934";
120		reg = <0x10>;
121		#address-cells = <1>;
122		#size-cells = <0>;
123
124		channel@1 {
125			reg = <0x1>;
126			shunt-resistor-micro-ohms = <47000>;
127			label = "VDD3V3";
128		};
129
130		channel@2 {
131			reg = <0x2>;
132			shunt-resistor-micro-ohms = <47000>;
133			label = "VDDIODDR";
134		};
135
136		channel@3 {
137			reg = <0x3>;
138			shunt-resistor-micro-ohms = <47000>;
139			label = "VDDCORE";
140		};
141
142		channel@4 {
143			reg = <0x4>;
144			shunt-resistor-micro-ohms = <47000>;
145			label = "VDDCPU";
146		};
147	};
148
149	pmic@5b {
150		compatible = "microchip,mcp16502";
151		reg = <0x5b>;
152		lvin-supply = <&reg_5v>;
153		pvin1-supply = <&reg_5v>;
154		pvin2-supply = <&reg_5v>;
155		pvin3-supply = <&reg_5v>;
156		pvin4-supply = <&reg_5v>;
157		status = "okay";
158
159		regulators {
160			vdd_3v3: VDD_IO {
161				regulator-name = "VDD_IO";
162				regulator-min-microvolt = <3300000>;
163				regulator-max-microvolt = <3300000>;
164				regulator-initial-mode = <2>;
165				regulator-allowed-modes = <2>, <4>;
166				regulator-always-on;
167
168				regulator-state-standby {
169					regulator-on-in-suspend;
170					regulator-suspend-microvolt = <3300000>;
171					regulator-mode = <4>;
172				};
173
174				regulator-state-mem {
175					regulator-off-in-suspend;
176					regulator-mode = <4>;
177				};
178			};
179
180			vddioddr: VDD_DDR {
181				regulator-name = "VDD_DDR";
182				regulator-min-microvolt = <1350000>;
183				regulator-max-microvolt = <1350000>;
184				regulator-initial-mode = <2>;
185				regulator-allowed-modes = <2>, <4>;
186				regulator-always-on;
187
188				regulator-state-standby {
189					regulator-on-in-suspend;
190					regulator-suspend-microvolt = <1350000>;
191					regulator-mode = <4>;
192				};
193
194				regulator-state-mem {
195					regulator-on-in-suspend;
196					regulator-suspend-microvolt = <1350000>;
197					regulator-mode = <4>;
198				};
199			};
200
201			vddcore: VDD_CORE {
202				regulator-name = "VDD_CORE";
203				regulator-min-microvolt = <1050000>;
204				regulator-max-microvolt = <1050000>;
205				regulator-initial-mode = <2>;
206				regulator-allowed-modes = <2>, <4>;
207				regulator-always-on;
208
209				regulator-state-standby {
210					regulator-on-in-suspend;
211					regulator-suspend-microvolt = <1050000>;
212					regulator-mode = <4>;
213				};
214
215				regulator-state-mem {
216					regulator-off-in-suspend;
217					regulator-mode = <4>;
218				};
219			};
220
221			vddcpu: VDD_OTHER {
222				regulator-name = "VDD_OTHER";
223				regulator-min-microvolt = <1050000>;
224				regulator-max-microvolt = <1250000>;
225				regulator-initial-mode = <2>;
226				regulator-allowed-modes = <2>, <4>;
227				regulator-ramp-delay = <3125>;
228				regulator-always-on;
229
230				regulator-state-standby {
231					regulator-on-in-suspend;
232					regulator-suspend-microvolt = <1050000>;
233					regulator-mode = <4>;
234				};
235
236				regulator-state-mem {
237					regulator-off-in-suspend;
238					regulator-mode = <4>;
239				};
240			};
241
242			vldo1: LDO1 {
243				regulator-name = "LDO1";
244				regulator-min-microvolt = <1800000>;
245				regulator-max-microvolt = <1800000>;
246				regulator-always-on;
247
248				regulator-state-standby {
249					regulator-suspend-microvolt = <1800000>;
250					regulator-on-in-suspend;
251				};
252
253				regulator-state-mem {
254					regulator-off-in-suspend;
255				};
256			};
257
258			vldo2: LDO2 {
259				regulator-name = "LDO2";
260				regulator-min-microvolt = <1200000>;
261				regulator-max-microvolt = <3700000>;
262
263				regulator-state-standby {
264					regulator-on-in-suspend;
265				};
266
267				regulator-state-mem {
268					regulator-off-in-suspend;
269				};
270			};
271		};
272	};
273
274	eeprom0: eeprom@51 {
275		compatible = "microchip,24aa025e48";
276		reg = <0x51>;
277		size = <256>;
278		pagesize = <16>;
279		vcc-supply = <&vdd_3v3>;
280
281		nvmem-layout {
282			compatible = "fixed-layout";
283			#address-cells = <1>;
284			#size-cells = <1>;
285
286			eeprom0_eui48: eui48@fa {
287				reg = <0xfa 0x6>;
288			};
289		};
290	};
291};
292
293&main_xtal {
294	clock-frequency = <24000000>;
295};
296
297&pioa {
298	pinctrl_can1_default: can1-default {
299		pinmux = <PIN_PD10__CANTX1>,
300			 <PIN_PD11__CANRX1>;
301		bias-disable;
302	};
303
304	pinctrl_can2_default: can2-default {
305		pinmux = <PIN_PD12__CANTX2>,
306			 <PIN_PD13__CANRX2>;
307		bias-disable;
308	};
309
310	pinctrl_can3_default: can3-default {
311		pinmux = <PIN_PD14__CANTX3>,
312			 <PIN_PD15__CANRX3>;
313		bias-disable;
314	};
315
316	pinctrl_gmac0_default: gmac0-default {
317		pinmux = <PIN_PA26__G0_TX0>,
318			 <PIN_PA27__G0_TX1>,
319			 <PIN_PB4__G0_TX2>,
320			 <PIN_PB5__G0_TX3>,
321			 <PIN_PA29__G0_RX0>,
322			 <PIN_PA30__G0_RX1>,
323			 <PIN_PB2__G0_RX2>,
324			 <PIN_PB6__G0_RX3>,
325			 <PIN_PA25__G0_TXCTL>,
326			 <PIN_PB3__G0_RXCK>,
327			 <PIN_PA28__G0_RXCTL>;
328		slew-rate = <0>;
329		bias-disable;
330	};
331
332	pinctrl_gmac0_mdio_default: gmac0-mdio-default {
333		pinmux = <PIN_PA31__G0_MDC>,
334			 <PIN_PB0__G0_MDIO>;
335		bias-disable;
336	};
337
338	pinctrl_gmac0_phy_irq: gmac0-phy-irq {
339		pinmux = <PIN_PC1__GPIO>;
340		bias-disable;
341	};
342
343	pinctrl_gmac0_txck_default: gmac0-txck-default {
344		pinmux = <PIN_PB1__G0_REFCK>;
345		slew-rate = <0>;
346		bias-pull-up;
347	};
348
349	pinctrl_i2c10_default: i2c10-default{
350		pinmux = <PIN_PB19__FLEXCOM10_IO1>,
351			 <PIN_PB20__FLEXCOM10_IO0>;
352		bias-pull-up;
353	};
354
355	pinctrl_sdmmc1_default: sdmmc1-default {
356		cmd-data {
357			pinmux = <PIN_PB22__SDMMC1_CMD>,
358				 <PIN_PB24__SDMMC1_DAT0>,
359				 <PIN_PB25__SDMMC1_DAT1>,
360				 <PIN_PB26__SDMMC1_DAT2>,
361				 <PIN_PB27__SDMMC1_DAT3>;
362			slew-rate = <0>;
363			bias-disable;
364		};
365
366		ck-cd-rstn-vddsel {
367			pinmux = <PIN_PB23__SDMMC1_CK>,
368				 <PIN_PB21__SDMMC1_RSTN>,
369				 <PIN_PB30__SDMMC1_1V8SEL>,
370				 <PIN_PB29__SDMMC1_CD>,
371				 <PIN_PB28__SDMMC1_WP>;
372			slew-rate = <0>;
373			bias-disable;
374		};
375	};
376
377	pinctrl_uart6_default: uart6-default {
378		pinmux = <PIN_PD18__FLEXCOM6_IO0>,
379			 <PIN_PD19__FLEXCOM6_IO1>;
380		bias-disable;
381	};
382};
383
384&rtt {
385	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
386};
387
388&sdmmc1 {
389	bus-width = <4>;
390	pinctrl-names = "default";
391	pinctrl-0 = <&pinctrl_sdmmc1_default>;
392	status = "okay";
393};
394
395&shdwc {
396	debounce-delay-us = <976>;
397	status = "okay";
398
399	input@0 {
400		reg = <0>;
401	};
402};
403
404&slow_xtal {
405	clock-frequency = <32768>;
406};
407