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