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
9/ {
10
11	chosen {
12		bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
13		stdout-path = "serial0:115200n8";
14	};
15
16	memory {
17		reg = <0x20000000 0x4000000>;
18	};
19
20	clocks {
21		slow_xtal {
22			clock-frequency = <32768>;
23		};
24
25		main_xtal {
26			clock-frequency = <18432000>;
27		};
28	};
29
30	ahb {
31		apb {
32			pinctrl@fffff400 {
33				board {
34					pinctrl_pck0_as_mck: pck0_as_mck {
35						atmel,pins =
36							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC1 periph B */
37					};
38
39				};
40
41				mmc0_slot1 {
42					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
43						atmel,pins =
44							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PC9 gpio CD pin pull up and deglitch */
45					};
46				};
47			};
48
49			dbgu: serial@fffff200 {
50				status = "okay";
51			};
52
53			tcb0: timer@fffa0000 {
54				timer@0 {
55					compatible = "atmel,tcb-timer";
56					reg = <0>, <1>;
57				};
58
59				timer@2 {
60					compatible = "atmel,tcb-timer";
61					reg = <2>;
62				};
63			};
64
65			usart0: serial@fffb0000 {
66				pinctrl-0 =
67					<&pinctrl_usart0
68					 &pinctrl_usart0_rts
69					 &pinctrl_usart0_cts
70					 &pinctrl_usart0_dtr_dsr
71					 &pinctrl_usart0_dcd
72					 &pinctrl_usart0_ri>;
73				status = "okay";
74			};
75
76			usart1: serial@fffb4000 {
77				status = "okay";
78			};
79
80			macb0: ethernet@fffc4000 {
81				phy-mode = "rmii";
82				status = "okay";
83			};
84
85			usb1: gadget@fffa4000 {
86				atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
87				status = "okay";
88			};
89
90			mmc0: mmc@fffa8000 {
91				pinctrl-0 = <
92					&pinctrl_board_mmc0_slot1
93					&pinctrl_mmc0_clk
94					&pinctrl_mmc0_slot1_cmd_dat0
95					&pinctrl_mmc0_slot1_dat1_3>;
96				status = "okay";
97				slot@1 {
98					reg = <1>;
99					bus-width = <4>;
100					cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
101				};
102			};
103
104			ssc0: ssc@fffbc000 {
105				status = "okay";
106				pinctrl-0 = <&pinctrl_ssc0_tx>;
107			};
108
109			spi0: spi@fffc8000 {
110				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
111				mtd_dataflash@1 {
112					compatible = "atmel,at45", "atmel,dataflash";
113					spi-max-frequency = <50000000>;
114					reg = <1>;
115				};
116			};
117
118			shdwc@fffffd10 {
119				atmel,wakeup-counter = <10>;
120				atmel,wakeup-rtt-timer;
121			};
122
123			rtc@fffffd20 {
124				atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
125				status = "okay";
126			};
127
128			watchdog@fffffd40 {
129				status = "okay";
130			};
131
132			gpbr: syscon@fffffd50 {
133				status = "okay";
134			};
135		};
136
137		ebi: ebi@10000000 {
138			status = "okay";
139
140			nand_controller: nand-controller {
141				status = "okay";
142				pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
143				pinctrl-names = "default";
144
145				nand@3 {
146					reg = <0x3 0x0 0x800000>;
147					rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
148					cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
149					nand-bus-width = <8>;
150					nand-ecc-mode = "soft";
151					nand-on-flash-bbt;
152					label = "atmel_nand";
153
154					partitions {
155						compatible = "fixed-partitions";
156						#address-cells = <1>;
157						#size-cells = <1>;
158
159						at91bootstrap@0 {
160							label = "at91bootstrap";
161							reg = <0x0 0x20000>;
162						};
163
164						barebox@20000 {
165							label = "barebox";
166							reg = <0x20000 0x40000>;
167						};
168
169						bareboxenv@60000 {
170							label = "bareboxenv";
171							reg = <0x60000 0x20000>;
172						};
173
174						bareboxenv2@80000 {
175							label = "bareboxenv2";
176							reg = <0x80000 0x20000>;
177						};
178
179						oftree@80000 {
180							label = "oftree";
181							reg = <0xa0000 0x20000>;
182						};
183
184						kernel@a0000 {
185							label = "kernel";
186							reg = <0xc0000 0x400000>;
187						};
188
189						rootfs@4a0000 {
190							label = "rootfs";
191							reg = <0x4c0000 0x7800000>;
192						};
193
194						data@7ca0000 {
195							label = "data";
196							reg = <0x7cc0000 0x8340000>;
197						};
198					};
199				};
200			};
201		};
202
203		usb0: ohci@500000 {
204			num-ports = <2>;
205			status = "okay";
206		};
207	};
208
209	i2c-gpio-0 {
210		status = "okay";
211
212		24c512@50 {
213			compatible = "atmel,24c512";
214			reg = <0x50>;
215		};
216
217		wm8731: wm8731@1b {
218			compatible = "wm8731";
219			reg = <0x1b>;
220		};
221	};
222
223	gpio_keys {
224		compatible = "gpio-keys";
225
226		btn3 {
227			label = "Button 3";
228			gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
229			linux,code = <0x103>;
230			wakeup-source;
231		};
232
233		btn4 {
234			label = "Button 4";
235			gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
236			linux,code = <0x104>;
237			wakeup-source;
238		};
239	};
240
241	sound {
242		compatible = "atmel,at91sam9g20ek-wm8731-audio";
243		pinctrl-names = "default";
244		pinctrl-0 = <&pinctrl_pck0_as_mck>;
245
246		atmel,model = "wm8731 @ AT91SAMG20EK";
247
248		atmel,audio-routing =
249			"Ext Spk", "LHPOUT",
250			"Int Mic", "MICIN";
251
252		atmel,ssc-controller = <&ssc0>;
253		atmel,audio-codec = <&wm8731>;
254	};
255};
256