aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91/board-gsia18s.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91/board-gsia18s.c')
-rw-r--r--arch/arm/mach-at91/board-gsia18s.c584
1 files changed, 584 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-gsia18s.c b/arch/arm/mach-at91/board-gsia18s.c
new file mode 100644
index 000000000000..bc28136ee249
--- /dev/null
+++ b/arch/arm/mach-at91/board-gsia18s.c
@@ -0,0 +1,584 @@
1/*
2 * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
3 * taskit GmbH
4 * 2010 Igor Plyatov <plyatov@gmail.com>
5 * GeoSIG Ltd
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/platform_device.h>
23#include <linux/gpio.h>
24#include <linux/w1-gpio.h>
25#include <linux/i2c.h>
26#include <linux/i2c/pcf857x.h>
27#include <linux/gpio_keys.h>
28#include <linux/input.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32
33#include <mach/board.h>
34#include <mach/at91sam9_smc.h>
35#include <mach/gsia18s.h>
36#include <mach/stamp9g20.h>
37
38#include "sam9_smc.h"
39#include "generic.h"
40
41static void __init gsia18s_map_io(void)
42{
43 stamp9g20_map_io();
44
45 /*
46 * USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
47 * Used for Internal Analog Modem.
48 */
49 at91_register_uart(AT91SAM9260_ID_US0, 1,
50 ATMEL_UART_CTS | ATMEL_UART_RTS |
51 ATMEL_UART_DTR | ATMEL_UART_DSR |
52 ATMEL_UART_DCD | ATMEL_UART_RI);
53 /*
54 * USART1 on ttyS2 (Rx, Tx, CTS, RTS).
55 * Used for GPS or WiFi or Data stream.
56 */
57 at91_register_uart(AT91SAM9260_ID_US1, 2,
58 ATMEL_UART_CTS | ATMEL_UART_RTS);
59 /*
60 * USART2 on ttyS3 (Rx, Tx, CTS, RTS).
61 * Used for External Modem.
62 */
63 at91_register_uart(AT91SAM9260_ID_US2, 3,
64 ATMEL_UART_CTS | ATMEL_UART_RTS);
65 /*
66 * USART3 on ttyS4 (Rx, Tx, RTS).
67 * Used for RS-485.
68 */
69 at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);
70
71 /*
72 * USART4 on ttyS5 (Rx, Tx).
73 * Used for TRX433 Radio Module.
74 */
75 at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
76}
77
78static void __init init_irq(void)
79{
80 at91sam9260_init_interrupts(NULL);
81}
82
83/*
84 * Two USB Host ports
85 */
86static struct at91_usbh_data __initdata usbh_data = {
87 .ports = 2,
88};
89
90/*
91 * USB Device port
92 */
93static struct at91_udc_data __initdata udc_data = {
94 .vbus_pin = AT91_PIN_PA22,
95 .pullup_pin = 0, /* pull-up driven by UDC */
96};
97
98/*
99 * MACB Ethernet device
100 */
101static struct at91_eth_data __initdata macb_data = {
102 .phy_irq_pin = AT91_PIN_PA28,
103 .is_rmii = 1,
104};
105
106/*
107 * LEDs and GPOs
108 */
109static struct gpio_led gpio_leds[] = {
110 {
111 .name = "gpo:spi1reset",
112 .gpio = AT91_PIN_PC1,
113 .active_low = 0,
114 .default_trigger = "none",
115 .default_state = LEDS_GPIO_DEFSTATE_OFF,
116 },
117 {
118 .name = "gpo:trig_net_out",
119 .gpio = AT91_PIN_PB20,
120 .active_low = 0,
121 .default_trigger = "none",
122 .default_state = LEDS_GPIO_DEFSTATE_OFF,
123 },
124 {
125 .name = "gpo:trig_net_dir",
126 .gpio = AT91_PIN_PB19,
127 .active_low = 0,
128 .default_trigger = "none",
129 .default_state = LEDS_GPIO_DEFSTATE_OFF,
130 },
131 {
132 .name = "gpo:charge_dis",
133 .gpio = AT91_PIN_PC2,
134 .active_low = 0,
135 .default_trigger = "none",
136 .default_state = LEDS_GPIO_DEFSTATE_OFF,
137 },
138 {
139 .name = "led:event",
140 .gpio = AT91_PIN_PB17,
141 .active_low = 1,
142 .default_trigger = "none",
143 .default_state = LEDS_GPIO_DEFSTATE_OFF,
144 },
145 {
146 .name = "led:lan",
147 .gpio = AT91_PIN_PB18,
148 .active_low = 1,
149 .default_trigger = "none",
150 .default_state = LEDS_GPIO_DEFSTATE_OFF,
151 },
152 {
153 .name = "led:error",
154 .gpio = AT91_PIN_PB16,
155 .active_low = 1,
156 .default_trigger = "none",
157 .default_state = LEDS_GPIO_DEFSTATE_ON,
158 }
159};
160
161static struct gpio_led_platform_data gpio_led_info = {
162 .leds = gpio_leds,
163 .num_leds = ARRAY_SIZE(gpio_leds),
164};
165
166static struct platform_device leds = {
167 .name = "leds-gpio",
168 .id = 0,
169 .dev = {
170 .platform_data = &gpio_led_info,
171 }
172};
173
174static void __init gsia18s_leds_init(void)
175{
176 platform_device_register(&leds);
177}
178
179/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
180static struct gpio_led pcf_gpio_leds1[] = {
181 { /* bit 0 */
182 .name = "gpo:hdc_power",
183 .gpio = PCF_GPIO_HDC_POWER,
184 .active_low = 0,
185 .default_trigger = "none",
186 .default_state = LEDS_GPIO_DEFSTATE_OFF,
187 },
188 { /* bit 1 */
189 .name = "gpo:wifi_setup",
190 .gpio = PCF_GPIO_WIFI_SETUP,
191 .active_low = 1,
192 .default_trigger = "none",
193 .default_state = LEDS_GPIO_DEFSTATE_OFF,
194 },
195 { /* bit 2 */
196 .name = "gpo:wifi_enable",
197 .gpio = PCF_GPIO_WIFI_ENABLE,
198 .active_low = 1,
199 .default_trigger = "none",
200 .default_state = LEDS_GPIO_DEFSTATE_OFF,
201 },
202 { /* bit 3 */
203 .name = "gpo:wifi_reset",
204 .gpio = PCF_GPIO_WIFI_RESET,
205 .active_low = 1,
206 .default_trigger = "none",
207 .default_state = LEDS_GPIO_DEFSTATE_ON,
208 },
209 /* bit 4 used as GPI */
210 { /* bit 5 */
211 .name = "gpo:gps_setup",
212 .gpio = PCF_GPIO_GPS_SETUP,
213 .active_low = 1,
214 .default_trigger = "none",
215 .default_state = LEDS_GPIO_DEFSTATE_OFF,
216 },
217 { /* bit 6 */
218 .name = "gpo:gps_standby",
219 .gpio = PCF_GPIO_GPS_STANDBY,
220 .active_low = 0,
221 .default_trigger = "none",
222 .default_state = LEDS_GPIO_DEFSTATE_ON,
223 },
224 { /* bit 7 */
225 .name = "gpo:gps_power",
226 .gpio = PCF_GPIO_GPS_POWER,
227 .active_low = 0,
228 .default_trigger = "none",
229 .default_state = LEDS_GPIO_DEFSTATE_OFF,
230 }
231};
232
233static struct gpio_led_platform_data pcf_gpio_led_info1 = {
234 .leds = pcf_gpio_leds1,
235 .num_leds = ARRAY_SIZE(pcf_gpio_leds1),
236};
237
238static struct platform_device pcf_leds1 = {
239 .name = "leds-gpio", /* GS_IA18-CB_board */
240 .id = 1,
241 .dev = {
242 .platform_data = &pcf_gpio_led_info1,
243 }
244};
245
246/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
247static struct gpio_led pcf_gpio_leds2[] = {
248 { /* bit 0 */
249 .name = "gpo:alarm_1",
250 .gpio = PCF_GPIO_ALARM1,
251 .active_low = 1,
252 .default_trigger = "none",
253 .default_state = LEDS_GPIO_DEFSTATE_OFF,
254 },
255 { /* bit 1 */
256 .name = "gpo:alarm_2",
257 .gpio = PCF_GPIO_ALARM2,
258 .active_low = 1,
259 .default_trigger = "none",
260 .default_state = LEDS_GPIO_DEFSTATE_OFF,
261 },
262 { /* bit 2 */
263 .name = "gpo:alarm_3",
264 .gpio = PCF_GPIO_ALARM3,
265 .active_low = 1,
266 .default_trigger = "none",
267 .default_state = LEDS_GPIO_DEFSTATE_OFF,
268 },
269 { /* bit 3 */
270 .name = "gpo:alarm_4",
271 .gpio = PCF_GPIO_ALARM4,
272 .active_low = 1,
273 .default_trigger = "none",
274 .default_state = LEDS_GPIO_DEFSTATE_OFF,
275 },
276 /* bits 4, 5, 6 not used */
277 { /* bit 7 */
278 .name = "gpo:alarm_v_relay_on",
279 .gpio = PCF_GPIO_ALARM_V_RELAY_ON,
280 .active_low = 0,
281 .default_trigger = "none",
282 .default_state = LEDS_GPIO_DEFSTATE_OFF,
283 },
284};
285
286static struct gpio_led_platform_data pcf_gpio_led_info2 = {
287 .leds = pcf_gpio_leds2,
288 .num_leds = ARRAY_SIZE(pcf_gpio_leds2),
289};
290
291static struct platform_device pcf_leds2 = {
292 .name = "leds-gpio",
293 .id = 2,
294 .dev = {
295 .platform_data = &pcf_gpio_led_info2,
296 }
297};
298
299/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
300static struct gpio_led pcf_gpio_leds3[] = {
301 { /* bit 0 */
302 .name = "gpo:modem_power",
303 .gpio = PCF_GPIO_MODEM_POWER,
304 .active_low = 1,
305 .default_trigger = "none",
306 .default_state = LEDS_GPIO_DEFSTATE_OFF,
307 },
308 /* bits 1 and 2 not used */
309 { /* bit 3 */
310 .name = "gpo:modem_reset",
311 .gpio = PCF_GPIO_MODEM_RESET,
312 .active_low = 1,
313 .default_trigger = "none",
314 .default_state = LEDS_GPIO_DEFSTATE_ON,
315 },
316 /* bits 4, 5 and 6 not used */
317 { /* bit 7 */
318 .name = "gpo:trx_reset",
319 .gpio = PCF_GPIO_TRX_RESET,
320 .active_low = 1,
321 .default_trigger = "none",
322 .default_state = LEDS_GPIO_DEFSTATE_ON,
323 }
324};
325
326static struct gpio_led_platform_data pcf_gpio_led_info3 = {
327 .leds = pcf_gpio_leds3,
328 .num_leds = ARRAY_SIZE(pcf_gpio_leds3),
329};
330
331static struct platform_device pcf_leds3 = {
332 .name = "leds-gpio",
333 .id = 3,
334 .dev = {
335 .platform_data = &pcf_gpio_led_info3,
336 }
337};
338
339static void __init gsia18s_pcf_leds_init(void)
340{
341 platform_device_register(&pcf_leds1);
342 platform_device_register(&pcf_leds2);
343 platform_device_register(&pcf_leds3);
344}
345
346/*
347 * SPI busses.
348 */
349static struct spi_board_info gsia18s_spi_devices[] = {
350 { /* User accessible spi0, cs0 used for communication with MSP RTC */
351 .modalias = "spidev",
352 .bus_num = 0,
353 .chip_select = 0,
354 .max_speed_hz = 580000,
355 .mode = SPI_MODE_1,
356 },
357 { /* User accessible spi1, cs0 used for communication with int. DSP */
358 .modalias = "spidev",
359 .bus_num = 1,
360 .chip_select = 0,
361 .max_speed_hz = 5600000,
362 .mode = SPI_MODE_0,
363 },
364 { /* User accessible spi1, cs1 used for communication with ext. DSP */
365 .modalias = "spidev",
366 .bus_num = 1,
367 .chip_select = 1,
368 .max_speed_hz = 5600000,
369 .mode = SPI_MODE_0,
370 },
371 { /* User accessible spi1, cs2 used for communication with ext. DSP */
372 .modalias = "spidev",
373 .bus_num = 1,
374 .chip_select = 2,
375 .max_speed_hz = 5600000,
376 .mode = SPI_MODE_0,
377 },
378 { /* User accessible spi1, cs3 used for communication with ext. DSP */
379 .modalias = "spidev",
380 .bus_num = 1,
381 .chip_select = 3,
382 .max_speed_hz = 5600000,
383 .mode = SPI_MODE_0,
384 }
385};
386
387/*
388 * GPI Buttons
389 */
390static struct gpio_keys_button buttons[] = {
391 {
392 .gpio = GPIO_TRIG_NET_IN,
393 .code = BTN_1,
394 .desc = "TRIG_NET_IN",
395 .type = EV_KEY,
396 .active_low = 0,
397 .wakeup = 1,
398 },
399 { /* SW80 on the GS_IA18_S-MN board*/
400 .gpio = GPIO_CARD_UNMOUNT_0,
401 .code = BTN_2,
402 .desc = "Card umount 0",
403 .type = EV_KEY,
404 .active_low = 1,
405 .wakeup = 1,
406 },
407 { /* SW79 on the GS_IA18_S-MN board*/
408 .gpio = GPIO_CARD_UNMOUNT_1,
409 .code = BTN_3,
410 .desc = "Card umount 1",
411 .type = EV_KEY,
412 .active_low = 1,
413 .wakeup = 1,
414 },
415 { /* SW280 on the GS_IA18-CB board*/
416 .gpio = GPIO_KEY_POWER,
417 .code = KEY_POWER,
418 .desc = "Power Off Button",
419 .type = EV_KEY,
420 .active_low = 0,
421 .wakeup = 1,
422 }
423};
424
425static struct gpio_keys_platform_data button_data = {
426 .buttons = buttons,
427 .nbuttons = ARRAY_SIZE(buttons),
428};
429
430static struct platform_device button_device = {
431 .name = "gpio-keys",
432 .id = -1,
433 .num_resources = 0,
434 .dev = {
435 .platform_data = &button_data,
436 }
437};
438
439static void __init gsia18s_add_device_buttons(void)
440{
441 at91_set_gpio_input(GPIO_TRIG_NET_IN, 1);
442 at91_set_deglitch(GPIO_TRIG_NET_IN, 1);
443 at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1);
444 at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1);
445 at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1);
446 at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1);
447 at91_set_gpio_input(GPIO_KEY_POWER, 0);
448 at91_set_deglitch(GPIO_KEY_POWER, 1);
449
450 platform_device_register(&button_device);
451}
452
453/*
454 * I2C
455 */
456static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio,
457 unsigned int ngpio, void *context)
458{
459 int status;
460
461 status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det");
462 if (status < 0) {
463 pr_err("error: can't request GPIO%d\n",
464 gpio + PCF_GPIO_ETH_DETECT);
465 return status;
466 }
467 status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT);
468 if (status < 0) {
469 pr_err("error: can't setup GPIO%d as input\n",
470 gpio + PCF_GPIO_ETH_DETECT);
471 return status;
472 }
473 status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false);
474 if (status < 0) {
475 pr_err("error: can't export GPIO%d\n",
476 gpio + PCF_GPIO_ETH_DETECT);
477 return status;
478 }
479 status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1);
480 if (status < 0) {
481 pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n",
482 gpio + PCF_GPIO_ETH_DETECT);
483 return status;
484 }
485
486 return 0;
487}
488
489static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio,
490 unsigned ngpio, void *context)
491{
492 gpio_free(gpio + PCF_GPIO_ETH_DETECT);
493 return 0;
494}
495
496static struct pcf857x_platform_data pcf20_pdata = {
497 .gpio_base = GS_IA18_S_PCF_GPIO_BASE0,
498 .n_latch = (1 << 4),
499 .setup = pcf8574x_0x20_setup,
500 .teardown = pcf8574x_0x20_teardown,
501};
502
503static struct pcf857x_platform_data pcf22_pdata = {
504 .gpio_base = GS_IA18_S_PCF_GPIO_BASE1,
505};
506
507static struct pcf857x_platform_data pcf24_pdata = {
508 .gpio_base = GS_IA18_S_PCF_GPIO_BASE2,
509};
510
511static struct i2c_board_info __initdata gsia18s_i2c_devices[] = {
512 { /* U1 on the GS_IA18-CB_V3 board */
513 I2C_BOARD_INFO("pcf8574", 0x20),
514 .platform_data = &pcf20_pdata,
515 },
516 { /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
517 I2C_BOARD_INFO("pcf8574", 0x22),
518 .platform_data = &pcf22_pdata,
519 },
520 { /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */
521 I2C_BOARD_INFO("pcf8574", 0x24),
522 .platform_data = &pcf24_pdata,
523 },
524 { /* U161 on the GS_IA18_S-MN board */
525 I2C_BOARD_INFO("24c1024", 0x50),
526 },
527 { /* U162 on the GS_IA18_S-MN board */
528 I2C_BOARD_INFO("24c01", 0x53),
529 },
530};
531
532/*
533 * Compact Flash
534 */
535static struct at91_cf_data __initdata gsia18s_cf1_data = {
536 .irq_pin = AT91_PIN_PA27,
537 .det_pin = AT91_PIN_PB30,
538 .rst_pin = AT91_PIN_PB31,
539 .chipselect = 5,
540 .flags = AT91_CF_TRUE_IDE,
541};
542
543/* Power Off by RTC */
544static void gsia18s_power_off(void)
545{
546 pr_notice("Power supply will be switched off automatically now or after 60 seconds without ArmDAS.\n");
547 at91_set_gpio_output(AT91_PIN_PA25, 1);
548 /* Spin to death... */
549 while (1)
550 ;
551}
552
553static int __init gsia18s_power_off_init(void)
554{
555 pm_power_off = gsia18s_power_off;
556 return 0;
557}
558
559/* ---------------------------------------------------------------------------*/
560
561static void __init gsia18s_board_init(void)
562{
563 stamp9g20_board_init();
564 at91_add_device_usbh(&usbh_data);
565 at91_add_device_udc(&udc_data);
566 at91_add_device_eth(&macb_data);
567 gsia18s_leds_init();
568 gsia18s_pcf_leds_init();
569 gsia18s_add_device_buttons();
570 at91_add_device_i2c(gsia18s_i2c_devices,
571 ARRAY_SIZE(gsia18s_i2c_devices));
572 at91_add_device_cf(&gsia18s_cf1_data);
573 at91_add_device_spi(gsia18s_spi_devices,
574 ARRAY_SIZE(gsia18s_spi_devices));
575 gsia18s_power_off_init();
576}
577
578MACHINE_START(GSIA18S, "GS_IA18_S")
579 .boot_params = AT91_SDRAM_BASE + 0x100,
580 .timer = &at91sam926x_timer,
581 .map_io = gsia18s_map_io,
582 .init_irq = init_irq,
583 .init_machine = gsia18s_board_init,
584MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 14:31:30 -0500