xref: /linux/arch/arm/boot/dts/microchip/at91sam9g20ek_common.dtsi (revision 26bda0dff9ca74ae071643e0176f248d72f43580) 
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
4 *
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
6 */
7#include "at91sam9g20.dtsi"
8#include <dt-bindings/input/input.h>
9
10/ {
11
12	chosen {
13		bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
14		stdout-path = "serial0:115200n8";
15	};
16
17	memory@20000000 {
18		reg = <0x20000000 0x4000000>;
19	};
20
21	clocks {
22		slow_xtal {
23			clock-frequency = <32768>;
24		};
25
26		main_xtal {
27			clock-frequency = <18432000>;
28		};
29	};
30
31	ahb {
32		apb {
33			pinctrl@fffff400 {
34				board {
35					pinctrl_pck0_as_mck: pck0_as_mck {
36						atmel,pins =
37							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC1 periph B */
38					};
39
40				};
41
42				usb1 {
43					pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
44						atmel,pins =
45							<AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;	/* PC5 GPIO */
46					};
47				};
48
49				mmc0_slot1 {
50					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
51						atmel,pins =
52							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PC9 gpio CD pin pull up and deglitch */
53					};
54				};
55			};
56
57			dbgu: serial@fffff200 {
58				status = "okay";
59			};
60
61			tcb0: timer@fffa0000 {
62				timer@0 {
63					compatible = "atmel,tcb-timer";
64					reg = <0>, <1>;
65				};
66
67				timer@2 {
68					compatible = "atmel,tcb-timer";
69					reg = <2>;
70				};
71			};
72
73			usart0: serial@fffb0000 {
74				pinctrl-0 =
75					<&pinctrl_usart0
76					 &pinctrl_usart0_rts
77					 &pinctrl_usart0_cts
78					 &pinctrl_usart0_dtr_dsr
79					 &pinctrl_usart0_dcd
80					 &pinctrl_usart0_ri>;
81				status = "okay";
82			};
83
84			usart1: serial@fffb4000 {
85				status = "okay";
86			};
87
88			macb0: ethernet@fffc4000 {
89				phy-mode = "rmii";
90				status = "okay";
91			};
92
93			usb1: gadget@fffa4000 {
94				pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
95				pinctrl-names = "default";
96				atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
97				status = "okay";
98			};
99
100			mmc0: mmc@fffa8000 {
101				pinctrl-0 = <
102					&pinctrl_board_mmc0_slot1
103					&pinctrl_mmc0_clk
104					&pinctrl_mmc0_slot1_cmd_dat0
105					&pinctrl_mmc0_slot1_dat1_3>;
106				pinctrl-names = "default";
107				status = "okay";
108				slot@1 {
109					reg = <1>;
110					bus-width = <4>;
111					cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
112				};
113			};
114
115			ssc0: ssc@fffbc000 {
116				status = "okay";
117				pinctrl-0 = <&pinctrl_ssc0_tx>;
118			};
119
120			spi0: spi@fffc8000 {
121				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
122				flash@1 {
123					compatible = "atmel,at45", "atmel,dataflash";
124					spi-max-frequency = <50000000>;
125					reg = <1>;
126				};
127			};
128
129			shdwc: poweroff@fffffd10 {
130				atmel,wakeup-counter = <10>;
131				atmel,wakeup-rtt-timer;
132			};
133
134			rtc@fffffd20 {
135				atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
136				status = "okay";
137			};
138
139			watchdog@fffffd40 {
140				status = "okay";
141			};
142
143			gpbr: syscon@fffffd50 {
144				status = "okay";
145			};
146		};
147
148		ebi: ebi@10000000 {
149			status = "okay";
150
151			nand_controller: nand-controller {
152				status = "okay";
153				pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
154				pinctrl-names = "default";
155
156				nand@3 {
157					reg = <0x3 0x0 0x800000>;
158					rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
159					cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
160					nand-bus-width = <8>;
161					nand-ecc-mode = "soft";
162					nand-on-flash-bbt;
163					label = "atmel_nand";
164
165					partitions {
166						compatible = "fixed-partitions";
167						#address-cells = <1>;
168						#size-cells = <1>;
169
170						at91bootstrap@0 {
171							label = "at91bootstrap";
172							reg = <0x0 0x20000>;
173						};
174
175						barebox@20000 {
176							label = "barebox";
177							reg = <0x20000 0x40000>;
178						};
179
180						bareboxenv@60000 {
181							label = "bareboxenv";
182							reg = <0x60000 0x20000>;
183						};
184
185						bareboxenv2@80000 {
186							label = "bareboxenv2";
187							reg = <0x80000 0x20000>;
188						};
189
190						oftree@80000 {
191							label = "oftree";
192							reg = <0xa0000 0x20000>;
193						};
194
195						kernel@a0000 {
196							label = "kernel";
197							reg = <0xc0000 0x400000>;
198						};
199
200						rootfs@4a0000 {
201							label = "rootfs";
202							reg = <0x4c0000 0x7800000>;
203						};
204
205						data@7ca0000 {
206							label = "data";
207							reg = <0x7cc0000 0x8340000>;
208						};
209					};
210				};
211			};
212		};
213
214		usb0: ohci@500000 {
215			num-ports = <2>;
216			status = "okay";
217		};
218	};
219
220	i2c-gpio-0 {
221		status = "okay";
222
223		eeprom@50 {
224			compatible = "atmel,24c512";
225			reg = <0x50>;
226			vcc-supply = <&reg_3v3>;
227		};
228
229		wm8731: wm8731@1b {
230			compatible = "wm8731";
231			reg = <0x1b>;
232
233			/* PCK0 at 12MHz */
234			clocks = <&pmc PMC_TYPE_SYSTEM 8>;
235			clock-names = "mclk";
236			assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
237			assigned-clock-rates = <12000000>;
238
239			HPVDD-supply = <&vcc_dac>;
240			AVDD-supply = <&vcc_dac>;
241			DCVDD-supply = <&reg_3v3>;
242			DBVDD-supply = <&reg_3v3>;
243		};
244	};
245
246	gpio-keys {
247		compatible = "gpio-keys";
248
249		button-3 {
250			label = "Button 3";
251			gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
252			linux,code = <0x103>;
253			wakeup-source;
254		};
255
256		button-4 {
257			label = "Button 4";
258			gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
259			linux,code = <KEY_PROG1>;
260			wakeup-source;
261		};
262	};
263
264	sound {
265		compatible = "atmel,at91sam9g20ek-wm8731-audio";
266		pinctrl-names = "default";
267		pinctrl-0 = <&pinctrl_pck0_as_mck>;
268
269		atmel,model = "wm8731 @ AT91SAMG20EK";
270
271		atmel,audio-routing =
272			"Ext Spk", "LHPOUT",
273			"Int Mic", "MICIN";
274
275		atmel,ssc-controller = <&ssc0>;
276		atmel,audio-codec = <&wm8731>;
277	};
278
279	reg_5v: fixedregulator0 {
280		compatible = "regulator-fixed";
281		regulator-name = "5V";
282		regulator-min-microvolt = <5000000>;
283		regulator-max-microvolt = <5000000>;
284	};
285
286	reg_3v3: fixedregulator1 {
287		compatible = "regulator-fixed";
288		regulator-name = "3V3";
289		vin-supply = <&reg_5v>;
290		regulator-min-microvolt = <3300000>;
291		regulator-max-microvolt = <3300000>;
292	};
293
294	reg_1v: fixedregulator2 {
295		compatible = "regulator-fixed";
296		regulator-name = "1V";
297		vin-supply = <&reg_5v>;
298		regulator-min-microvolt = <1000000>;
299		regulator-max-microvolt = <1000000>;
300	};
301
302	vcc_dac: fixedregulator3 {
303		compatible = "regulator-fixed";
304		regulator-name = "VCC_DAC";
305		vin-supply = <&reg_3v3>;
306		regulator-min-microvolt = <3300000>;
307		regulator-max-microvolt = <3300000>;
308	};
309};
310