at91sam9g20ek_common.dtsi revision 262569 
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 console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
14	};
15
16	memory {
17		reg = <0x20000000 0x4000000>;
18	};
19
20	clocks {
21		#address-cells = <1>;
22		#size-cells = <1>;
23		ranges;
24
25		main_clock: clock@0 {
26			compatible = "atmel,osc", "fixed-clock";
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			watchdog@fffffd40 {
108				status = "okay";
109			};
110		};
111
112		nand0: nand@40000000 {
113			nand-bus-width = <8>;
114			nand-ecc-mode = "soft";
115			nand-on-flash-bbt;
116			status = "okay";
117
118			at91bootstrap@0 {
119				label = "at91bootstrap";
120				reg = <0x0 0x20000>;
121			};
122
123			barebox@20000 {
124				label = "barebox";
125				reg = <0x20000 0x40000>;
126			};
127
128			bareboxenv@60000 {
129				label = "bareboxenv";
130				reg = <0x60000 0x20000>;
131			};
132
133			bareboxenv2@80000 {
134				label = "bareboxenv2";
135				reg = <0x80000 0x20000>;
136			};
137
138			oftree@80000 {
139				label = "oftree";
140				reg = <0xa0000 0x20000>;
141			};
142
143			kernel@a0000 {
144				label = "kernel";
145				reg = <0xc0000 0x400000>;
146			};
147
148			rootfs@4a0000 {
149				label = "rootfs";
150				reg = <0x4c0000 0x7800000>;
151			};
152
153			data@7ca0000 {
154				label = "data";
155				reg = <0x7cc0000 0x8340000>;
156			};
157		};
158
159		usb0: ohci@00500000 {
160			num-ports = <2>;
161			status = "okay";
162		};
163	};
164
165	i2c@0 {
166		status = "okay";
167
168		24c512@50 {
169			compatible = "24c512";
170			reg = <0x50>;
171		};
172
173		wm8731: wm8731@1b {
174			compatible = "wm8731";
175			reg = <0x1b>;
176		};
177	};
178
179	gpio_keys {
180		compatible = "gpio-keys";
181
182		btn3 {
183			label = "Button 3";
184			gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
185			linux,code = <0x103>;
186			gpio-key,wakeup;
187		};
188
189		btn4 {
190			label = "Button 4";
191			gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
192			linux,code = <0x104>;
193			gpio-key,wakeup;
194		};
195	};
196
197	sound {
198		compatible = "atmel,at91sam9g20ek-wm8731-audio";
199		pinctrl-names = "default";
200		pinctrl-0 = <&pinctrl_pck0_as_mck>;
201
202		atmel,model = "wm8731 @ AT91SAMG20EK";
203
204		atmel,audio-routing =
205			"Ext Spk", "LHPOUT",
206			"Int Mic", "MICIN";
207
208		atmel,ssc-controller = <&ssc0>;
209		atmel,audio-codec = <&wm8731>;
210	};
211};
212