?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 4.18.10
[linux/fpc-iii.git] / arch / arm / mach-omap1 / board-ams-delta.c
blob80f54cb54276fe81b870d7dd9298f39b340e2417
1 /*
2 * linux/arch/arm/mach-omap1/board-ams-delta.c
3 *
4 * Modified from board-generic.c
5 *
6 * Board specific inits for the Amstrad E3 (codename Delta) videophone
7 *
8 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14 #include <linux/gpio/driver.h>
15 #include <linux/gpio/machine.h>
16 #include <linux/gpio.h>
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/input.h>
20 #include <linux/interrupt.h>
21 #include <linux/leds.h>
22 #include <linux/platform_device.h>
23 #include <linux/regulator/consumer.h>
24 #include <linux/regulator/fixed.h>
25 #include <linux/regulator/machine.h>
26 #include <linux/serial_8250.h>
27 #include <linux/export.h>
28 #include <linux/omapfb.h>
29 #include <linux/io.h>
30 #include <linux/platform_data/gpio-omap.h>
31
32 #include <media/soc_camera.h>
33
34 #include <asm/serial.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38
39 #include <mach/board-ams-delta.h>
40 #include <linux/platform_data/keypad-omap.h>
41 #include <mach/mux.h>
42
43 #include <mach/hardware.h>
44 #include <mach/ams-delta-fiq.h>
45 #include "camera.h"
46 #include <mach/usb.h>
47
48 #include "iomap.h"
49 #include "common.h"
50
51 static const unsigned int ams_delta_keymap[] = {
52 KEY(0, 0, KEY_F1), /* Advert */
53
54 KEY(0, 3, KEY_COFFEE), /* Games */
55 KEY(0, 2, KEY_QUESTION), /* Directory */
56 KEY(2, 3, KEY_CONNECT), /* Internet */
57 KEY(1, 2, KEY_SHOP), /* Services */
58 KEY(1, 1, KEY_PHONE), /* VoiceMail */
59
60 KEY(0, 1, KEY_DELETE), /* Delete */
61 KEY(2, 2, KEY_PLAY), /* Play */
62 KEY(1, 0, KEY_PAGEUP), /* Up */
63 KEY(1, 3, KEY_PAGEDOWN), /* Down */
64 KEY(2, 0, KEY_EMAIL), /* ReadEmail */
65 KEY(2, 1, KEY_STOP), /* Stop */
66
67 /* Numeric keypad portion */
68 KEY(0, 7, KEY_KP1),
69 KEY(0, 6, KEY_KP2),
70 KEY(0, 5, KEY_KP3),
71 KEY(1, 7, KEY_KP4),
72 KEY(1, 6, KEY_KP5),
73 KEY(1, 5, KEY_KP6),
74 KEY(2, 7, KEY_KP7),
75 KEY(2, 6, KEY_KP8),
76 KEY(2, 5, KEY_KP9),
77 KEY(3, 6, KEY_KP0),
78 KEY(3, 7, KEY_KPASTERISK),
79 KEY(3, 5, KEY_KPDOT), /* # key */
80 KEY(7, 2, KEY_NUMLOCK), /* Mute */
81 KEY(7, 1, KEY_KPMINUS), /* Recall */
82 KEY(6, 1, KEY_KPPLUS), /* Redial */
83 KEY(7, 6, KEY_KPSLASH), /* Handsfree */
84 KEY(6, 0, KEY_ENTER), /* Video */
85
86 KEY(7, 4, KEY_CAMERA), /* Photo */
87
88 KEY(0, 4, KEY_F2), /* Home */
89 KEY(1, 4, KEY_F3), /* Office */
90 KEY(2, 4, KEY_F4), /* Mobile */
91 KEY(7, 7, KEY_F5), /* SMS */
92 KEY(7, 5, KEY_F6), /* Email */
93
94 /* QWERTY portion of keypad */
95 KEY(3, 4, KEY_Q),
96 KEY(3, 3, KEY_W),
97 KEY(3, 2, KEY_E),
98 KEY(3, 1, KEY_R),
99 KEY(3, 0, KEY_T),
100 KEY(4, 7, KEY_Y),
101 KEY(4, 6, KEY_U),
102 KEY(4, 5, KEY_I),
103 KEY(4, 4, KEY_O),
104 KEY(4, 3, KEY_P),
105
106 KEY(4, 2, KEY_A),
107 KEY(4, 1, KEY_S),
108 KEY(4, 0, KEY_D),
109 KEY(5, 7, KEY_F),
110 KEY(5, 6, KEY_G),
111 KEY(5, 5, KEY_H),
112 KEY(5, 4, KEY_J),
113 KEY(5, 3, KEY_K),
114 KEY(5, 2, KEY_L),
115
116 KEY(5, 1, KEY_Z),
117 KEY(5, 0, KEY_X),
118 KEY(6, 7, KEY_C),
119 KEY(6, 6, KEY_V),
120 KEY(6, 5, KEY_B),
121 KEY(6, 4, KEY_N),
122 KEY(6, 3, KEY_M),
123 KEY(6, 2, KEY_SPACE),
124
125 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
126 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
127 };
128
129 #define LATCH1_PHYS 0x01000000
130 #define LATCH1_VIRT 0xEA000000
131 #define MODEM_PHYS 0x04000000
132 #define MODEM_VIRT 0xEB000000
133 #define LATCH2_PHYS 0x08000000
134 #define LATCH2_VIRT 0xEC000000
135
136 static struct map_desc ams_delta_io_desc[] __initdata = {
137 /* AMS_DELTA_LATCH1 */
138 {
139 .virtual = LATCH1_VIRT,
140 .pfn = __phys_to_pfn(LATCH1_PHYS),
141 .length = 0x01000000,
142 .type = MT_DEVICE
143 },
144 /* AMS_DELTA_LATCH2 */
145 {
146 .virtual = LATCH2_VIRT,
147 .pfn = __phys_to_pfn(LATCH2_PHYS),
148 .length = 0x01000000,
149 .type = MT_DEVICE
150 },
151 /* AMS_DELTA_MODEM */
152 {
153 .virtual = MODEM_VIRT,
154 .pfn = __phys_to_pfn(MODEM_PHYS),
155 .length = 0x01000000,
156 .type = MT_DEVICE
157 }
158 };
159
160 static const struct omap_lcd_config ams_delta_lcd_config __initconst = {
161 .ctrl_name = "internal",
162 };
163
164 static struct omap_usb_config ams_delta_usb_config __initdata = {
165 .register_host = 1,
166 .hmc_mode = 16,
167 .pins[0] = 2,
168 };
169
170 #define LATCH1_GPIO_BASE 232
171 #define LATCH1_NGPIO 8
172
173 static struct resource latch1_resources[] = {
174 [0] = {
175 .name = "dat",
176 .start = LATCH1_PHYS,
177 .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
178 .flags = IORESOURCE_MEM,
179 },
180 };
181
182 static struct bgpio_pdata latch1_pdata = {
183 .base = LATCH1_GPIO_BASE,
184 .ngpio = LATCH1_NGPIO,
185 };
186
187 static struct platform_device latch1_gpio_device = {
188 .name = "basic-mmio-gpio",
189 .id = 0,
190 .resource = latch1_resources,
191 .num_resources = ARRAY_SIZE(latch1_resources),
192 .dev = {
193 .platform_data = &latch1_pdata,
194 },
195 };
196
197 static struct resource latch2_resources[] = {
198 [0] = {
199 .name = "dat",
200 .start = LATCH2_PHYS,
201 .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
202 .flags = IORESOURCE_MEM,
203 },
204 };
205
206 #define LATCH2_LABEL "latch2"
207
208 static struct bgpio_pdata latch2_pdata = {
209 .label = LATCH2_LABEL,
210 .base = AMS_DELTA_LATCH2_GPIO_BASE,
211 .ngpio = AMS_DELTA_LATCH2_NGPIO,
212 };
213
214 static struct platform_device latch2_gpio_device = {
215 .name = "basic-mmio-gpio",
216 .id = 1,
217 .resource = latch2_resources,
218 .num_resources = ARRAY_SIZE(latch2_resources),
219 .dev = {
220 .platform_data = &latch2_pdata,
221 },
222 };
223
224 #define LATCH2_PIN_LCD_VBLEN 0
225 #define LATCH2_PIN_LCD_NDISP 1
226 #define LATCH2_PIN_NAND_NCE 2
227 #define LATCH2_PIN_NAND_NRE 3
228 #define LATCH2_PIN_NAND_NWP 4
229 #define LATCH2_PIN_NAND_NWE 5
230 #define LATCH2_PIN_NAND_ALE 6
231 #define LATCH2_PIN_NAND_CLE 7
232 #define LATCH2_PIN_KEYBRD_PWR 8
233 #define LATCH2_PIN_KEYBRD_DATAOUT 9
234 #define LATCH2_PIN_SCARD_RSTIN 10
235 #define LATCH2_PIN_SCARD_CMDVCC 11
236 #define LATCH2_PIN_MODEM_NRESET 12
237 #define LATCH2_PIN_MODEM_CODEC 13
238 #define LATCH2_PIN_HOOKFLASH1 14
239 #define LATCH2_PIN_HOOKFLASH2 15
240
241 static const struct gpio latch_gpios[] __initconst = {
242 {
243 .gpio = LATCH1_GPIO_BASE + 6,
244 .flags = GPIOF_OUT_INIT_LOW,
245 .label = "dockit1",
246 },
247 {
248 .gpio = LATCH1_GPIO_BASE + 7,
249 .flags = GPIOF_OUT_INIT_LOW,
250 .label = "dockit2",
251 },
252 {
253 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
254 .flags = GPIOF_OUT_INIT_LOW,
255 .label = "scard_rstin",
256 },
257 {
258 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
259 .flags = GPIOF_OUT_INIT_LOW,
260 .label = "scard_cmdvcc",
261 },
262 {
263 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
264 .flags = GPIOF_OUT_INIT_LOW,
265 .label = "hookflash1",
266 },
267 {
268 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
269 .flags = GPIOF_OUT_INIT_LOW,
270 .label = "hookflash2",
271 },
272 };
273
274 static struct regulator_consumer_supply modem_nreset_consumers[] = {
275 REGULATOR_SUPPLY("RESET#", "serial8250.1"),
276 REGULATOR_SUPPLY("POR", "cx20442-codec"),
277 };
278
279 static struct regulator_init_data modem_nreset_data = {
280 .constraints = {
281 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
282 .boot_on = 1,
283 },
284 .num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
285 .consumer_supplies = modem_nreset_consumers,
286 };
287
288 static struct fixed_voltage_config modem_nreset_config = {
289 .supply_name = "modem_nreset",
290 .microvolts = 3300000,
291 .gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
292 .startup_delay = 25000,
293 .enable_high = 1,
294 .enabled_at_boot = 1,
295 .init_data = &modem_nreset_data,
296 };
297
298 static struct platform_device modem_nreset_device = {
299 .name = "reg-fixed-voltage",
300 .id = -1,
301 .dev = {
302 .platform_data = &modem_nreset_config,
303 },
304 };
305
306 struct modem_private_data {
307 struct regulator *regulator;
308 };
309
310 static struct modem_private_data modem_priv;
311
312 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
313 {
314 int bit = 0;
315 u16 bitpos = 1 << bit;
316
317 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
318 if (!(mask & bitpos))
319 continue;
320 else
321 gpio_set_value(base + bit, (value & bitpos) != 0);
322 }
323 }
324 EXPORT_SYMBOL(ams_delta_latch_write);
325
326 static struct resource ams_delta_nand_resources[] = {
327 [0] = {
328 .start = OMAP1_MPUIO_BASE,
329 .end = OMAP1_MPUIO_BASE +
330 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
331 .flags = IORESOURCE_MEM,
332 },
333 };
334
335 static struct platform_device ams_delta_nand_device = {
336 .name = "ams-delta-nand",
337 .id = -1,
338 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
339 .resource = ams_delta_nand_resources,
340 };
341
342 #define OMAP_GPIO_LABEL "gpio-0-15"
343
344 static struct gpiod_lookup_table ams_delta_nand_gpio_table = {
345 .table = {
346 GPIO_LOOKUP(OMAP_GPIO_LABEL, AMS_DELTA_GPIO_PIN_NAND_RB, "rdy",
347 0),
348 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NCE, "nce", 0),
349 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NRE, "nre", 0),
350 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NWP, "nwp", 0),
351 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NWE, "nwe", 0),
352 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_ALE, "ale", 0),
353 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_CLE, "cle", 0),
354 { },
355 },
356 };
357
358 static struct resource ams_delta_kp_resources[] = {
359 [0] = {
360 .start = INT_KEYBOARD,
361 .end = INT_KEYBOARD,
362 .flags = IORESOURCE_IRQ,
363 },
364 };
365
366 static const struct matrix_keymap_data ams_delta_keymap_data = {
367 .keymap = ams_delta_keymap,
368 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
369 };
370
371 static struct omap_kp_platform_data ams_delta_kp_data = {
372 .rows = 8,
373 .cols = 8,
374 .keymap_data = &ams_delta_keymap_data,
375 .delay = 9,
376 };
377
378 static struct platform_device ams_delta_kp_device = {
379 .name = "omap-keypad",
380 .id = -1,
381 .dev = {
382 .platform_data = &ams_delta_kp_data,
383 },
384 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
385 .resource = ams_delta_kp_resources,
386 };
387
388 static struct platform_device ams_delta_lcd_device = {
389 .name = "lcd_ams_delta",
390 .id = -1,
391 };
392
393 static struct gpiod_lookup_table ams_delta_lcd_gpio_table = {
394 .table = {
395 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_LCD_VBLEN, "vblen", 0),
396 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_LCD_NDISP, "ndisp", 0),
397 { },
398 },
399 };
400
401 static const struct gpio_led gpio_leds[] __initconst = {
402 {
403 .name = "camera",
404 .gpio = LATCH1_GPIO_BASE + 0,
405 .default_state = LEDS_GPIO_DEFSTATE_OFF,
406 #ifdef CONFIG_LEDS_TRIGGERS
407 .default_trigger = "ams_delta_camera",
408 #endif
409 },
410 {
411 .name = "advert",
412 .gpio = LATCH1_GPIO_BASE + 1,
413 .default_state = LEDS_GPIO_DEFSTATE_OFF,
414 },
415 {
416 .name = "email",
417 .gpio = LATCH1_GPIO_BASE + 2,
418 .default_state = LEDS_GPIO_DEFSTATE_OFF,
419 },
420 {
421 .name = "handsfree",
422 .gpio = LATCH1_GPIO_BASE + 3,
423 .default_state = LEDS_GPIO_DEFSTATE_OFF,
424 },
425 {
426 .name = "voicemail",
427 .gpio = LATCH1_GPIO_BASE + 4,
428 .default_state = LEDS_GPIO_DEFSTATE_OFF,
429 },
430 {
431 .name = "voice",
432 .gpio = LATCH1_GPIO_BASE + 5,
433 .default_state = LEDS_GPIO_DEFSTATE_OFF,
434 },
435 };
436
437 static const struct gpio_led_platform_data leds_pdata __initconst = {
438 .leds = gpio_leds,
439 .num_leds = ARRAY_SIZE(gpio_leds),
440 };
441
442 static struct i2c_board_info ams_delta_camera_board_info[] = {
443 {
444 I2C_BOARD_INFO("ov6650", 0x60),
445 },
446 };
447
448 #ifdef CONFIG_LEDS_TRIGGERS
449 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
450
451 static int ams_delta_camera_power(struct device *dev, int power)
452 {
453 /*
454 * turn on camera LED
455 */
456 if (power)
457 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
458 else
459 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
460 return 0;
461 }
462 #else
463 #define ams_delta_camera_power NULL
464 #endif
465
466 static struct soc_camera_link ams_delta_iclink = {
467 .bus_id = 0, /* OMAP1 SoC camera bus */
468 .i2c_adapter_id = 1,
469 .board_info = &ams_delta_camera_board_info[0],
470 .module_name = "ov6650",
471 .power = ams_delta_camera_power,
472 };
473
474 static struct platform_device ams_delta_camera_device = {
475 .name = "soc-camera-pdrv",
476 .id = 0,
477 .dev = {
478 .platform_data = &ams_delta_iclink,
479 },
480 };
481
482 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
483 .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
484 .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
485 };
486
487 static struct platform_device ams_delta_audio_device = {
488 .name = "ams-delta-audio",
489 .id = -1,
490 };
491
492 static struct gpiod_lookup_table ams_delta_audio_gpio_table = {
493 .table = {
494 GPIO_LOOKUP(OMAP_GPIO_LABEL, AMS_DELTA_GPIO_PIN_HOOK_SWITCH,
495 "hook_switch", 0),
496 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_MODEM_CODEC,
497 "modem_codec", 0),
498 { },
499 },
500 };
501
502 static struct platform_device cx20442_codec_device = {
503 .name = "cx20442-codec",
504 .id = -1,
505 };
506
507 static struct gpiod_lookup_table ams_delta_serio_gpio_table = {
508 .table = {
509 GPIO_LOOKUP(OMAP_GPIO_LABEL, AMS_DELTA_GPIO_PIN_KEYBRD_DATA,
510 "data", 0),
511 GPIO_LOOKUP(OMAP_GPIO_LABEL, AMS_DELTA_GPIO_PIN_KEYBRD_CLK,
512 "clock", 0),
513 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_KEYBRD_PWR,
514 "power", 0),
515 GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_KEYBRD_DATAOUT,
516 "dataout", 0),
517 { },
518 },
519 };
520
521 static struct platform_device *ams_delta_devices[] __initdata = {
522 &latch1_gpio_device,
523 &latch2_gpio_device,
524 &ams_delta_kp_device,
525 &ams_delta_camera_device,
526 &ams_delta_audio_device,
527 };
528
529 static struct platform_device *late_devices[] __initdata = {
530 &ams_delta_nand_device,
531 &ams_delta_lcd_device,
532 &cx20442_codec_device,
533 };
534
535 static struct gpiod_lookup_table *ams_delta_gpio_tables[] __initdata = {
536 &ams_delta_audio_gpio_table,
537 &ams_delta_serio_gpio_table,
538 };
539
540 static struct gpiod_lookup_table *late_gpio_tables[] __initdata = {
541 &ams_delta_lcd_gpio_table,
542 &ams_delta_nand_gpio_table,
543 };
544
545 static void __init ams_delta_init(void)
546 {
547 /* mux pins for uarts */
548 omap_cfg_reg(UART1_TX);
549 omap_cfg_reg(UART1_RTS);
550
551 /* parallel camera interface */
552 omap_cfg_reg(H19_1610_CAM_EXCLK);
553 omap_cfg_reg(J15_1610_CAM_LCLK);
554 omap_cfg_reg(L18_1610_CAM_VS);
555 omap_cfg_reg(L15_1610_CAM_HS);
556 omap_cfg_reg(L19_1610_CAM_D0);
557 omap_cfg_reg(K14_1610_CAM_D1);
558 omap_cfg_reg(K15_1610_CAM_D2);
559 omap_cfg_reg(K19_1610_CAM_D3);
560 omap_cfg_reg(K18_1610_CAM_D4);
561 omap_cfg_reg(J14_1610_CAM_D5);
562 omap_cfg_reg(J19_1610_CAM_D6);
563 omap_cfg_reg(J18_1610_CAM_D7);
564
565 omap_serial_init();
566 omap_register_i2c_bus(1, 100, NULL, 0);
567
568 omap1_usb_init(&ams_delta_usb_config);
569 omap1_set_camera_info(&ams_delta_camera_platform_data);
570 #ifdef CONFIG_LEDS_TRIGGERS
571 led_trigger_register_simple("ams_delta_camera",
572 &ams_delta_camera_led_trigger);
573 #endif
574 gpio_led_register_device(-1, &leds_pdata);
575 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
576
577 /*
578 * As soon as devices have been registered, assign their dev_names
579 * to respective GPIO lookup tables before they are added.
580 */
581 ams_delta_audio_gpio_table.dev_id =
582 dev_name(&ams_delta_audio_device.dev);
583 /*
584 * No device name is assigned to GPIO lookup table for serio device
585 * as long as serio driver is not converted to platform device driver.
586 */
587
588 gpiod_add_lookup_tables(ams_delta_gpio_tables,
589 ARRAY_SIZE(ams_delta_gpio_tables));
590
591 ams_delta_init_fiq();
592
593 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
594
595 omapfb_set_lcd_config(&ams_delta_lcd_config);
596 }
597
598 static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
599 {
600 struct modem_private_data *priv = port->private_data;
601 int ret;
602
603 if (IS_ERR(priv->regulator))
604 return;
605
606 if (state == old)
607 return;
608
609 if (state == 0)
610 ret = regulator_enable(priv->regulator);
611 else if (old == 0)
612 ret = regulator_disable(priv->regulator);
613 else
614 ret = 0;
615
616 if (ret)
617 dev_warn(port->dev,
618 "ams_delta modem_pm: failed to %sable regulator: %d\n",
619 state ? "dis" : "en", ret);
620 }
621
622 static struct plat_serial8250_port ams_delta_modem_ports[] = {
623 {
624 .membase = IOMEM(MODEM_VIRT),
625 .mapbase = MODEM_PHYS,
626 .irq = -EINVAL, /* changed later */
627 .flags = UPF_BOOT_AUTOCONF,
628 .irqflags = IRQF_TRIGGER_RISING,
629 .iotype = UPIO_MEM,
630 .regshift = 1,
631 .uartclk = BASE_BAUD * 16,
632 .pm = modem_pm,
633 .private_data = &modem_priv,
634 },
635 { },
636 };
637
638 static struct platform_device ams_delta_modem_device = {
639 .name = "serial8250",
640 .id = PLAT8250_DEV_PLATFORM1,
641 .dev = {
642 .platform_data = ams_delta_modem_ports,
643 },
644 };
645
646 static int __init late_init(void)
647 {
648 int err;
649
650 if (!machine_is_ams_delta())
651 return -ENODEV;
652
653 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
654 if (err) {
655 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
656 return err;
657 }
658
659 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
660
661 /*
662 * As soon as devices have been registered, assign their dev_names
663 * to respective GPIO lookup tables before they are added.
664 */
665 ams_delta_lcd_gpio_table.dev_id = dev_name(&ams_delta_lcd_device.dev);
666 ams_delta_nand_gpio_table.dev_id = dev_name(&ams_delta_nand_device.dev);
667
668 gpiod_add_lookup_tables(late_gpio_tables, ARRAY_SIZE(late_gpio_tables));
669
670 err = platform_device_register(&modem_nreset_device);
671 if (err) {
672 pr_err("Couldn't register the modem regulator device\n");
673 return err;
674 }
675
676 omap_cfg_reg(M14_1510_GPIO2);
677 ams_delta_modem_ports[0].irq =
678 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
679
680 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
681 if (err) {
682 pr_err("Couldn't request gpio pin for modem\n");
683 return err;
684 }
685 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
686
687 /* Initialize the modem_nreset regulator consumer before use */
688 modem_priv.regulator = ERR_PTR(-ENODEV);
689
690 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
691 AMS_DELTA_LATCH2_MODEM_CODEC);
692
693 err = platform_device_register(&ams_delta_modem_device);
694 if (err)
695 goto gpio_free;
696
697 /*
698 * Once the modem device is registered, the modem_nreset
699 * regulator can be requested on behalf of that device.
700 */
701 modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
702 "RESET#");
703 if (IS_ERR(modem_priv.regulator)) {
704 err = PTR_ERR(modem_priv.regulator);
705 goto unregister;
706 }
707 return 0;
708
709 unregister:
710 platform_device_unregister(&ams_delta_modem_device);
711 gpio_free:
712 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
713 return err;
714 }
715
716 static void __init ams_delta_init_late(void)
717 {
718 omap1_init_late();
719 late_init();
720 }
721
722 static void __init ams_delta_map_io(void)
723 {
724 omap15xx_map_io();
725 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
726 }
727
728 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
729 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
730 .atag_offset = 0x100,
731 .map_io = ams_delta_map_io,
732 .init_early = omap1_init_early,
733 .init_irq = omap1_init_irq,
734 .handle_irq = omap1_handle_irq,
735 .init_machine = ams_delta_init,
736 .init_late = ams_delta_init_late,
737 .init_time = omap1_timer_init,
738 .restart = omap1_restart,
739 MACHINE_END
Linux with added FPC-III support