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1/*
2 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
3 *
4 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 *
6 * Licensed under GPLv2.
7 */
8#include "at91sam9g20.dtsi"
9
10/ {
11
12	chosen {
13		bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
14		stdout-path = "serial0:115200n8";
15	};
16
17	memory {
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				mmc0_slot1 {
43					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
44						atmel,pins =
45							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PC9 gpio CD pin pull up and deglitch */
46					};
47				};
48			};
49
50			dbgu: serial@fffff200 {
51				status = "okay";
52			};
53
54			usart0: serial@fffb0000 {
55				pinctrl-0 =
56					<&pinctrl_usart0
57					 &pinctrl_usart0_rts
58					 &pinctrl_usart0_cts
59					 &pinctrl_usart0_dtr_dsr
60					 &pinctrl_usart0_dcd
61					 &pinctrl_usart0_ri>;
62				status = "okay";
63			};
64
65			usart1: serial@fffb4000 {
66				status = "okay";
67			};
68
69			macb0: ethernet@fffc4000 {
70				phy-mode = "rmii";
71				status = "okay";
72			};
73
74			usb1: gadget@fffa4000 {
75				atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
76				status = "okay";
77			};
78
79			mmc0: mmc@fffa8000 {
80				pinctrl-0 = <
81					&pinctrl_board_mmc0_slot1
82					&pinctrl_mmc0_clk
83					&pinctrl_mmc0_slot1_cmd_dat0
84					&pinctrl_mmc0_slot1_dat1_3>;
85				status = "okay";
86				slot@1 {
87					reg = <1>;
88					bus-width = <4>;
89					cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
90				};
91			};
92
93			ssc0: ssc@fffbc000 {
94				status = "okay";
95				pinctrl-0 = <&pinctrl_ssc0_tx>;
96			};
97
98			spi0: spi@fffc8000 {
99				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
100				mtd_dataflash@0 {
101					compatible = "atmel,at45", "atmel,dataflash";
102					spi-max-frequency = <50000000>;
103					reg = <1>;
104				};
105			};
106
107			shdwc@fffffd10 {
108				atmel,wakeup-counter = <10>;
109				atmel,wakeup-rtt-timer;
110			};
111
112			rtc@fffffd20 {
113				atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
114				status = "okay";
115			};
116
117			watchdog@fffffd40 {
118				status = "okay";
119			};
120
121			gpbr: syscon@fffffd50 {
122				status = "okay";
123			};
124		};
125
126		ebi: ebi@10000000 {
127			status = "okay";
128
129			nand_controller: nand-controller {
130				status = "okay";
131				pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
132				pinctrl-names = "default";
133
134				nand@3 {
135					reg = <0x3 0x0 0x800000>;
136					rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
137					cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
138					nand-bus-width = <8>;
139					nand-ecc-mode = "soft";
140					nand-on-flash-bbt;
141					label = "atmel_nand";
142
143					partitions {
144						compatible = "fixed-partitions";
145						#address-cells = <1>;
146						#size-cells = <1>;
147
148						at91bootstrap@0 {
149							label = "at91bootstrap";
150							reg = <0x0 0x20000>;
151						};
152
153						barebox@20000 {
154							label = "barebox";
155							reg = <0x20000 0x40000>;
156						};
157
158						bareboxenv@60000 {
159							label = "bareboxenv";
160							reg = <0x60000 0x20000>;
161						};
162
163						bareboxenv2@80000 {
164							label = "bareboxenv2";
165							reg = <0x80000 0x20000>;
166						};
167
168						oftree@80000 {
169							label = "oftree";
170							reg = <0xa0000 0x20000>;
171						};
172
173						kernel@a0000 {
174							label = "kernel";
175							reg = <0xc0000 0x400000>;
176						};
177
178						rootfs@4a0000 {
179							label = "rootfs";
180							reg = <0x4c0000 0x7800000>;
181						};
182
183						data@7ca0000 {
184							label = "data";
185							reg = <0x7cc0000 0x8340000>;
186						};
187					};
188				};
189			};
190		};
191
192		usb0: ohci@500000 {
193			num-ports = <2>;
194			status = "okay";
195		};
196	};
197
198	i2c-gpio-0 {
199		status = "okay";
200
201		24c512@50 {
202			compatible = "24c512";
203			reg = <0x50>;
204		};
205
206		wm8731: wm8731@1b {
207			compatible = "wm8731";
208			reg = <0x1b>;
209		};
210	};
211
212	gpio_keys {
213		compatible = "gpio-keys";
214
215		btn3 {
216			label = "Button 3";
217			gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
218			linux,code = <0x103>;
219			wakeup-source;
220		};
221
222		btn4 {
223			label = "Button 4";
224			gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
225			linux,code = <0x104>;
226			wakeup-source;
227		};
228	};
229
230	sound {
231		compatible = "atmel,at91sam9g20ek-wm8731-audio";
232		pinctrl-names = "default";
233		pinctrl-0 = <&pinctrl_pck0_as_mck>;
234
235		atmel,model = "wm8731 @ AT91SAMG20EK";
236
237		atmel,audio-routing =
238			"Ext Spk", "LHPOUT",
239			"Int Mic", "MICIN";
240
241		atmel,ssc-controller = <&ssc0>;
242		atmel,audio-codec = <&wm8731>;
243	};
244};
245