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0fb55d3b ST |
1 | /* |
2 | * Copyright (C) 2005 SAN People | |
3 | * Copyright (C) 2008 Atmel | |
4 | * Copyright (C) 2010 Lee McLoughlin - lee@lmmrtech.com | |
5 | * Copyright (C) 2010 Sergio Tanzilli - tanzilli@acmesystems.it | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/types.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/mm.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/spi/spi.h> | |
28 | #include <linux/spi/at73c213.h> | |
29 | #include <linux/gpio.h> | |
30 | #include <linux/gpio_keys.h> | |
31 | #include <linux/input.h> | |
32 | #include <linux/clk.h> | |
33 | #include <linux/w1-gpio.h> | |
34 | ||
35 | #include <mach/hardware.h> | |
36 | #include <asm/setup.h> | |
37 | #include <asm/mach-types.h> | |
38 | #include <asm/irq.h> | |
39 | ||
40 | #include <asm/mach/arch.h> | |
41 | #include <asm/mach/map.h> | |
42 | #include <asm/mach/irq.h> | |
43 | ||
0fb55d3b ST |
44 | #include <mach/at91sam9_smc.h> |
45 | ||
a510b9ba | 46 | #include "at91_aic.h" |
43d2f532 | 47 | #include "board.h" |
0fb55d3b ST |
48 | #include "sam9_smc.h" |
49 | #include "generic.h" | |
50 | ||
51 | /* | |
52 | * The FOX Board G20 hardware comes as the "Netus G20" board with | |
53 | * just the cpu, ram, dataflash and two header connectors. | |
54 | * This is plugged into the FOX Board which provides the ethernet, | |
55 | * usb, rtc, leds, switch, ... | |
56 | * | |
57 | * For more info visit: http://www.acmesystems.it/foxg20 | |
58 | */ | |
59 | ||
60 | ||
1b021a3b | 61 | static void __init foxg20_init_early(void) |
0fb55d3b ST |
62 | { |
63 | /* Initialize processor: 18.432 MHz crystal */ | |
21d08b9d | 64 | at91_initialize(18432000); |
0fb55d3b ST |
65 | } |
66 | ||
0fb55d3b ST |
67 | /* |
68 | * USB Host port | |
69 | */ | |
70 | static struct at91_usbh_data __initdata foxg20_usbh_data = { | |
71 | .ports = 2, | |
63b4c296 JCPV |
72 | .vbus_pin = {-EINVAL, -EINVAL}, |
73 | .overcurrent_pin= {-EINVAL, -EINVAL}, | |
0fb55d3b ST |
74 | }; |
75 | ||
76 | /* | |
77 | * USB Device port | |
78 | */ | |
79 | static struct at91_udc_data __initdata foxg20_udc_data = { | |
80 | .vbus_pin = AT91_PIN_PC6, | |
63b4c296 | 81 | .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
0fb55d3b ST |
82 | }; |
83 | ||
84 | ||
85 | /* | |
86 | * SPI devices. | |
87 | */ | |
88 | static struct spi_board_info foxg20_spi_devices[] = { | |
4cf3326a | 89 | #if !IS_ENABLED(CONFIG_MMC_ATMELMCI) |
0fb55d3b ST |
90 | { |
91 | .modalias = "mtd_dataflash", | |
92 | .chip_select = 1, | |
93 | .max_speed_hz = 15 * 1000 * 1000, | |
94 | .bus_num = 0, | |
95 | }, | |
96 | #endif | |
97 | }; | |
98 | ||
99 | ||
100 | /* | |
101 | * MACB Ethernet device | |
102 | */ | |
84e0cdb0 | 103 | static struct macb_platform_data __initdata foxg20_macb_data = { |
0fb55d3b ST |
104 | .phy_irq_pin = AT91_PIN_PA7, |
105 | .is_rmii = 1, | |
106 | }; | |
107 | ||
108 | /* | |
109 | * MCI (SD/MMC) | |
110 | * det_pin, wp_pin and vcc_pin are not connected | |
111 | */ | |
4cf3326a LD |
112 | static struct mci_platform_data __initdata foxg20_mci0_data = { |
113 | .slot[1] = { | |
114 | .bus_width = 4, | |
115 | .detect_pin = -EINVAL, | |
116 | .wp_pin = -EINVAL, | |
117 | }, | |
0fb55d3b ST |
118 | }; |
119 | ||
120 | ||
121 | /* | |
122 | * LEDs | |
123 | */ | |
124 | static struct gpio_led foxg20_leds[] = { | |
125 | { /* user led, red */ | |
126 | .name = "user_led", | |
127 | .gpio = AT91_PIN_PC7, | |
128 | .active_low = 0, | |
129 | .default_trigger = "heartbeat", | |
130 | }, | |
131 | }; | |
132 | ||
133 | ||
134 | /* | |
135 | * GPIO Buttons | |
136 | */ | |
137 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
138 | static struct gpio_keys_button foxg20_buttons[] = { | |
139 | { | |
140 | .gpio = AT91_PIN_PC4, | |
141 | .code = BTN_1, | |
142 | .desc = "Button 1", | |
143 | .active_low = 1, | |
144 | .wakeup = 1, | |
145 | }, | |
146 | }; | |
147 | ||
148 | static struct gpio_keys_platform_data foxg20_button_data = { | |
149 | .buttons = foxg20_buttons, | |
150 | .nbuttons = ARRAY_SIZE(foxg20_buttons), | |
151 | }; | |
152 | ||
153 | static struct platform_device foxg20_button_device = { | |
154 | .name = "gpio-keys", | |
155 | .id = -1, | |
156 | .num_resources = 0, | |
157 | .dev = { | |
158 | .platform_data = &foxg20_button_data, | |
159 | } | |
160 | }; | |
161 | ||
162 | static void __init foxg20_add_device_buttons(void) | |
163 | { | |
164 | at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */ | |
165 | at91_set_deglitch(AT91_PIN_PC4, 1); | |
166 | ||
167 | platform_device_register(&foxg20_button_device); | |
168 | } | |
169 | #else | |
170 | static void __init foxg20_add_device_buttons(void) {} | |
171 | #endif | |
172 | ||
173 | ||
174 | #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) | |
175 | static struct w1_gpio_platform_data w1_gpio_pdata = { | |
176 | /* If you choose to use a pin other than PB16 it needs to be 3.3V */ | |
177 | .pin = AT91_PIN_PB16, | |
178 | .is_open_drain = 1, | |
179 | }; | |
180 | ||
181 | static struct platform_device w1_device = { | |
182 | .name = "w1-gpio", | |
183 | .id = -1, | |
184 | .dev.platform_data = &w1_gpio_pdata, | |
185 | }; | |
186 | ||
187 | static void __init at91_add_device_w1(void) | |
188 | { | |
189 | at91_set_GPIO_periph(w1_gpio_pdata.pin, 1); | |
190 | at91_set_multi_drive(w1_gpio_pdata.pin, 1); | |
191 | platform_device_register(&w1_device); | |
192 | } | |
193 | ||
194 | #endif | |
195 | ||
196 | ||
197 | static struct i2c_board_info __initdata foxg20_i2c_devices[] = { | |
198 | { | |
199 | I2C_BOARD_INFO("24c512", 0x50), | |
200 | }, | |
201 | }; | |
202 | ||
203 | ||
204 | static void __init foxg20_board_init(void) | |
205 | { | |
206 | /* Serial */ | |
71b149b3 JCPV |
207 | /* DBGU on ttyS0. (Rx & Tx only) */ |
208 | at91_register_uart(0, 0, 0); | |
209 | ||
210 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | |
211 | at91_register_uart(AT91SAM9260_ID_US0, 1, | |
212 | ATMEL_UART_CTS | |
213 | | ATMEL_UART_RTS | |
214 | | ATMEL_UART_DTR | |
215 | | ATMEL_UART_DSR | |
216 | | ATMEL_UART_DCD | |
217 | | ATMEL_UART_RI); | |
218 | ||
219 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | |
220 | at91_register_uart(AT91SAM9260_ID_US1, 2, | |
221 | ATMEL_UART_CTS | |
222 | | ATMEL_UART_RTS); | |
223 | ||
224 | /* USART2 on ttyS3. (Rx & Tx only) */ | |
225 | at91_register_uart(AT91SAM9260_ID_US2, 3, 0); | |
226 | ||
227 | /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */ | |
228 | at91_register_uart(AT91SAM9260_ID_US3, 4, | |
229 | ATMEL_UART_CTS | |
230 | | ATMEL_UART_RTS); | |
231 | ||
232 | /* USART4 on ttyS5. (Rx & Tx only) */ | |
233 | at91_register_uart(AT91SAM9260_ID_US4, 5, 0); | |
234 | ||
235 | /* USART5 on ttyS6. (Rx & Tx only) */ | |
236 | at91_register_uart(AT91SAM9260_ID_US5, 6, 0); | |
237 | ||
238 | /* Set the internal pull-up resistor on DRXD */ | |
239 | at91_set_A_periph(AT91_PIN_PB14, 1); | |
0fb55d3b ST |
240 | at91_add_device_serial(); |
241 | /* USB Host */ | |
242 | at91_add_device_usbh(&foxg20_usbh_data); | |
243 | /* USB Device */ | |
244 | at91_add_device_udc(&foxg20_udc_data); | |
245 | /* SPI */ | |
246 | at91_add_device_spi(foxg20_spi_devices, ARRAY_SIZE(foxg20_spi_devices)); | |
247 | /* Ethernet */ | |
248 | at91_add_device_eth(&foxg20_macb_data); | |
249 | /* MMC */ | |
4cf3326a | 250 | at91_add_device_mci(0, &foxg20_mci0_data); |
0fb55d3b ST |
251 | /* I2C */ |
252 | at91_add_device_i2c(foxg20_i2c_devices, ARRAY_SIZE(foxg20_i2c_devices)); | |
253 | /* LEDs */ | |
254 | at91_gpio_leds(foxg20_leds, ARRAY_SIZE(foxg20_leds)); | |
255 | /* Push Buttons */ | |
256 | foxg20_add_device_buttons(); | |
257 | #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) | |
258 | at91_add_device_w1(); | |
259 | #endif | |
260 | } | |
261 | ||
262 | MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20") | |
263 | /* Maintainer: Sergio Tanzilli */ | |
6bb27d73 | 264 | .init_time = at91sam926x_pit_init, |
21d08b9d | 265 | .map_io = at91_map_io, |
3e135466 | 266 | .handle_irq = at91_aic_handle_irq, |
1b021a3b | 267 | .init_early = foxg20_init_early, |
92100c12 | 268 | .init_irq = at91_init_irq_default, |
0fb55d3b ST |
269 | .init_machine = foxg20_board_init, |
270 | MACHINE_END |