]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - arch/arm/mach-omap1/board-ams-delta.c
Merge tag 'powerpc-4.13-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-omap1 / board-ams-delta.c
CommitLineData
9b6553cd
TL
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 */
0f4630f3 14#include <linux/gpio/driver.h>
2f8163ba 15#include <linux/gpio.h>
9b6553cd
TL
16#include <linux/kernel.h>
17#include <linux/init.h>
325d50b6 18#include <linux/input.h>
eff443df 19#include <linux/interrupt.h>
243e76b4 20#include <linux/leds.h>
9b6553cd 21#include <linux/platform_device.h>
ac2885df
JK
22#include <linux/regulator/consumer.h>
23#include <linux/regulator/fixed.h>
24#include <linux/regulator/machine.h>
eff443df 25#include <linux/serial_8250.h>
dc28094b 26#include <linux/export.h>
ddba6c7f 27#include <linux/omapfb.h>
2e3ee9f4 28#include <linux/io.h>
4b25408f 29#include <linux/platform_data/gpio-omap.h>
9b6553cd 30
8452e9ef
JK
31#include <media/soc_camera.h>
32
eff443df 33#include <asm/serial.h>
9b6553cd
TL
34#include <asm/mach-types.h>
35#include <asm/mach/arch.h>
36#include <asm/mach/map.h>
37
e27e35ec 38#include <mach/board-ams-delta.h>
2203747c 39#include <linux/platform_data/keypad-omap.h>
70c494c3 40#include <mach/mux.h>
9b6553cd 41
2e3ee9f4 42#include <mach/hardware.h>
e6f740f5 43#include <mach/ams-delta-fiq.h>
100f9638 44#include "camera.h"
b924b204 45#include <mach/usb.h>
2e3ee9f4
TL
46
47#include "iomap.h"
48#include "common.h"
e6f740f5 49
da1f026b 50static const unsigned int ams_delta_keymap[] = {
a524626b 51 KEY(0, 0, KEY_F1), /* Advert */
325d50b6 52
da1f026b
JK
53 KEY(0, 3, KEY_COFFEE), /* Games */
54 KEY(0, 2, KEY_QUESTION), /* Directory */
55 KEY(2, 3, KEY_CONNECT), /* Internet */
56 KEY(1, 2, KEY_SHOP), /* Services */
a524626b 57 KEY(1, 1, KEY_PHONE), /* VoiceMail */
325d50b6 58
da1f026b 59 KEY(0, 1, KEY_DELETE), /* Delete */
a524626b 60 KEY(2, 2, KEY_PLAY), /* Play */
da1f026b
JK
61 KEY(1, 0, KEY_PAGEUP), /* Up */
62 KEY(1, 3, KEY_PAGEDOWN), /* Down */
63 KEY(2, 0, KEY_EMAIL), /* ReadEmail */
64 KEY(2, 1, KEY_STOP), /* Stop */
325d50b6
JM
65
66 /* Numeric keypad portion */
da1f026b
JK
67 KEY(0, 7, KEY_KP1),
68 KEY(0, 6, KEY_KP2),
69 KEY(0, 5, KEY_KP3),
70 KEY(1, 7, KEY_KP4),
71 KEY(1, 6, KEY_KP5),
72 KEY(1, 5, KEY_KP6),
73 KEY(2, 7, KEY_KP7),
74 KEY(2, 6, KEY_KP8),
75 KEY(2, 5, KEY_KP9),
76 KEY(3, 6, KEY_KP0),
77 KEY(3, 7, KEY_KPASTERISK),
78 KEY(3, 5, KEY_KPDOT), /* # key */
79 KEY(7, 2, KEY_NUMLOCK), /* Mute */
80 KEY(7, 1, KEY_KPMINUS), /* Recall */
81 KEY(6, 1, KEY_KPPLUS), /* Redial */
82 KEY(7, 6, KEY_KPSLASH), /* Handsfree */
83 KEY(6, 0, KEY_ENTER), /* Video */
84
85 KEY(7, 4, KEY_CAMERA), /* Photo */
86
87 KEY(0, 4, KEY_F2), /* Home */
88 KEY(1, 4, KEY_F3), /* Office */
89 KEY(2, 4, KEY_F4), /* Mobile */
a524626b 90 KEY(7, 7, KEY_F5), /* SMS */
da1f026b 91 KEY(7, 5, KEY_F6), /* Email */
325d50b6
JM
92
93 /* QWERTY portion of keypad */
da1f026b 94 KEY(3, 4, KEY_Q),
325d50b6 95 KEY(3, 3, KEY_W),
da1f026b
JK
96 KEY(3, 2, KEY_E),
97 KEY(3, 1, KEY_R),
98 KEY(3, 0, KEY_T),
99 KEY(4, 7, KEY_Y),
100 KEY(4, 6, KEY_U),
101 KEY(4, 5, KEY_I),
325d50b6 102 KEY(4, 4, KEY_O),
da1f026b 103 KEY(4, 3, KEY_P),
325d50b6 104
da1f026b
JK
105 KEY(4, 2, KEY_A),
106 KEY(4, 1, KEY_S),
107 KEY(4, 0, KEY_D),
108 KEY(5, 7, KEY_F),
109 KEY(5, 6, KEY_G),
325d50b6 110 KEY(5, 5, KEY_H),
da1f026b
JK
111 KEY(5, 4, KEY_J),
112 KEY(5, 3, KEY_K),
113 KEY(5, 2, KEY_L),
325d50b6 114
da1f026b
JK
115 KEY(5, 1, KEY_Z),
116 KEY(5, 0, KEY_X),
117 KEY(6, 7, KEY_C),
325d50b6 118 KEY(6, 6, KEY_V),
da1f026b
JK
119 KEY(6, 5, KEY_B),
120 KEY(6, 4, KEY_N),
121 KEY(6, 3, KEY_M),
122 KEY(6, 2, KEY_SPACE),
325d50b6 123
da1f026b
JK
124 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
125 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
325d50b6
JM
126};
127
937eb4bb
JK
128#define LATCH1_PHYS 0x01000000
129#define LATCH1_VIRT 0xEA000000
130#define MODEM_PHYS 0x04000000
131#define MODEM_VIRT 0xEB000000
132#define LATCH2_PHYS 0x08000000
133#define LATCH2_VIRT 0xEC000000
9b6553cd 134
9b6553cd 135static struct map_desc ams_delta_io_desc[] __initdata = {
6e2d4107 136 /* AMS_DELTA_LATCH1 */
9b6553cd 137 {
937eb4bb
JK
138 .virtual = LATCH1_VIRT,
139 .pfn = __phys_to_pfn(LATCH1_PHYS),
9b6553cd
TL
140 .length = 0x01000000,
141 .type = MT_DEVICE
142 },
6e2d4107 143 /* AMS_DELTA_LATCH2 */
9b6553cd 144 {
937eb4bb
JK
145 .virtual = LATCH2_VIRT,
146 .pfn = __phys_to_pfn(LATCH2_PHYS),
9b6553cd
TL
147 .length = 0x01000000,
148 .type = MT_DEVICE
149 },
6e2d4107 150 /* AMS_DELTA_MODEM */
9b6553cd 151 {
937eb4bb
JK
152 .virtual = MODEM_VIRT,
153 .pfn = __phys_to_pfn(MODEM_PHYS),
9b6553cd
TL
154 .length = 0x01000000,
155 .type = MT_DEVICE
156 }
157};
158
da564a05 159static struct omap_lcd_config ams_delta_lcd_config __initdata = {
a524626b
TL
160 .ctrl_name = "internal",
161};
162
07fd296d 163static struct omap_usb_config ams_delta_usb_config __initdata = {
07116152
JM
164 .register_host = 1,
165 .hmc_mode = 16,
166 .pins[0] = 2,
167};
168
5ca6180f
JK
169#define LATCH1_GPIO_BASE 232
170#define LATCH1_NGPIO 8
171
da564a05 172static struct resource latch1_resources[] = {
937eb4bb
JK
173 [0] = {
174 .name = "dat",
175 .start = LATCH1_PHYS,
5ca6180f 176 .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
937eb4bb
JK
177 .flags = IORESOURCE_MEM,
178 },
179};
180
da564a05 181static struct bgpio_pdata latch1_pdata = {
5ca6180f
JK
182 .base = LATCH1_GPIO_BASE,
183 .ngpio = LATCH1_NGPIO,
937eb4bb
JK
184};
185
186static struct platform_device latch1_gpio_device = {
187 .name = "basic-mmio-gpio",
188 .id = 0,
189 .resource = latch1_resources,
190 .num_resources = ARRAY_SIZE(latch1_resources),
191 .dev = {
192 .platform_data = &latch1_pdata,
193 },
194};
195
da564a05 196static struct resource latch2_resources[] = {
937eb4bb
JK
197 [0] = {
198 .name = "dat",
199 .start = LATCH2_PHYS,
200 .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
201 .flags = IORESOURCE_MEM,
202 },
203};
204
da564a05 205static struct bgpio_pdata latch2_pdata = {
937eb4bb
JK
206 .base = AMS_DELTA_LATCH2_GPIO_BASE,
207 .ngpio = AMS_DELTA_LATCH2_NGPIO,
208};
209
210static struct platform_device latch2_gpio_device = {
211 .name = "basic-mmio-gpio",
212 .id = 1,
213 .resource = latch2_resources,
214 .num_resources = ARRAY_SIZE(latch2_resources),
215 .dev = {
216 .platform_data = &latch2_pdata,
217 },
218};
219
da564a05 220static const struct gpio latch_gpios[] __initconst = {
937eb4bb 221 {
5ca6180f 222 .gpio = LATCH1_GPIO_BASE + 6,
937eb4bb
JK
223 .flags = GPIOF_OUT_INIT_LOW,
224 .label = "dockit1",
225 },
226 {
5ca6180f 227 .gpio = LATCH1_GPIO_BASE + 7,
937eb4bb
JK
228 .flags = GPIOF_OUT_INIT_LOW,
229 .label = "dockit2",
230 },
937eb4bb
JK
231 {
232 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
233 .flags = GPIOF_OUT_INIT_LOW,
234 .label = "scard_rstin",
235 },
236 {
237 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
238 .flags = GPIOF_OUT_INIT_LOW,
239 .label = "scard_cmdvcc",
240 },
937eb4bb
JK
241 {
242 .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
243 .flags = GPIOF_OUT_INIT_LOW,
244 .label = "modem_codec",
245 },
246 {
247 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
248 .flags = GPIOF_OUT_INIT_LOW,
249 .label = "hookflash1",
250 },
251 {
252 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
253 .flags = GPIOF_OUT_INIT_LOW,
254 .label = "hookflash2",
255 },
256};
257
ac2885df
JK
258static struct regulator_consumer_supply modem_nreset_consumers[] = {
259 REGULATOR_SUPPLY("RESET#", "serial8250.1"),
260 REGULATOR_SUPPLY("POR", "cx20442-codec"),
261};
262
263static struct regulator_init_data modem_nreset_data = {
264 .constraints = {
265 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
266 .boot_on = 1,
267 },
268 .num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
269 .consumer_supplies = modem_nreset_consumers,
270};
271
272static struct fixed_voltage_config modem_nreset_config = {
273 .supply_name = "modem_nreset",
274 .microvolts = 3300000,
275 .gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
276 .startup_delay = 25000,
277 .enable_high = 1,
278 .enabled_at_boot = 1,
279 .init_data = &modem_nreset_data,
280};
281
282static struct platform_device modem_nreset_device = {
283 .name = "reg-fixed-voltage",
284 .id = -1,
285 .dev = {
286 .platform_data = &modem_nreset_config,
287 },
288};
289
290struct modem_private_data {
291 struct regulator *regulator;
ac2885df
JK
292};
293
ac2885df
JK
294static struct modem_private_data modem_priv;
295
937eb4bb
JK
296void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
297{
298 int bit = 0;
299 u16 bitpos = 1 << bit;
300
301 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
302 if (!(mask & bitpos))
303 continue;
ac2885df
JK
304 else
305 gpio_set_value(base + bit, (value & bitpos) != 0);
937eb4bb
JK
306 }
307}
308EXPORT_SYMBOL(ams_delta_latch_write);
309
eaca491f
JK
310static struct resource ams_delta_nand_resources[] = {
311 [0] = {
312 .start = OMAP1_MPUIO_BASE,
313 .end = OMAP1_MPUIO_BASE +
314 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
315 .flags = IORESOURCE_MEM,
316 },
317};
318
7e95d1f1
JK
319static struct platform_device ams_delta_nand_device = {
320 .name = "ams-delta-nand",
eaca491f
JK
321 .id = -1,
322 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
323 .resource = ams_delta_nand_resources,
7e95d1f1
JK
324};
325
325d50b6
JM
326static struct resource ams_delta_kp_resources[] = {
327 [0] = {
328 .start = INT_KEYBOARD,
329 .end = INT_KEYBOARD,
330 .flags = IORESOURCE_IRQ,
331 },
332};
333
da1f026b
JK
334static const struct matrix_keymap_data ams_delta_keymap_data = {
335 .keymap = ams_delta_keymap,
336 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
337};
338
dc0caefd 339static struct omap_kp_platform_data ams_delta_kp_data = {
325d50b6
JM
340 .rows = 8,
341 .cols = 8,
da1f026b 342 .keymap_data = &ams_delta_keymap_data,
325d50b6
JM
343 .delay = 9,
344};
345
07ad6ab3 346static struct platform_device ams_delta_kp_device = {
325d50b6
JM
347 .name = "omap-keypad",
348 .id = -1,
349 .dev = {
350 .platform_data = &ams_delta_kp_data,
351 },
352 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
353 .resource = ams_delta_kp_resources,
354};
355
07ad6ab3 356static struct platform_device ams_delta_lcd_device = {
a524626b
TL
357 .name = "lcd_ams_delta",
358 .id = -1,
359};
360
da564a05 361static const struct gpio_led gpio_leds[] __initconst = {
5ca6180f
JK
362 {
363 .name = "camera",
364 .gpio = LATCH1_GPIO_BASE + 0,
365 .default_state = LEDS_GPIO_DEFSTATE_OFF,
366#ifdef CONFIG_LEDS_TRIGGERS
367 .default_trigger = "ams_delta_camera",
368#endif
369 },
370 {
371 .name = "advert",
372 .gpio = LATCH1_GPIO_BASE + 1,
373 .default_state = LEDS_GPIO_DEFSTATE_OFF,
374 },
375 {
376 .name = "email",
377 .gpio = LATCH1_GPIO_BASE + 2,
378 .default_state = LEDS_GPIO_DEFSTATE_OFF,
379 },
380 {
381 .name = "handsfree",
382 .gpio = LATCH1_GPIO_BASE + 3,
383 .default_state = LEDS_GPIO_DEFSTATE_OFF,
384 },
385 {
386 .name = "voicemail",
387 .gpio = LATCH1_GPIO_BASE + 4,
388 .default_state = LEDS_GPIO_DEFSTATE_OFF,
389 },
390 {
391 .name = "voice",
392 .gpio = LATCH1_GPIO_BASE + 5,
393 .default_state = LEDS_GPIO_DEFSTATE_OFF,
394 },
395};
396
da564a05 397static const struct gpio_led_platform_data leds_pdata __initconst = {
5ca6180f
JK
398 .leds = gpio_leds,
399 .num_leds = ARRAY_SIZE(gpio_leds),
9becde79
JM
400};
401
8452e9ef
JK
402static struct i2c_board_info ams_delta_camera_board_info[] = {
403 {
404 I2C_BOARD_INFO("ov6650", 0x60),
405 },
406};
407
243e76b4
JK
408#ifdef CONFIG_LEDS_TRIGGERS
409DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
410
411static int ams_delta_camera_power(struct device *dev, int power)
412{
413 /*
414 * turn on camera LED
415 */
416 if (power)
417 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
418 else
419 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
420 return 0;
421}
422#else
423#define ams_delta_camera_power NULL
424#endif
425
a7e2a89a 426static struct soc_camera_link ams_delta_iclink = {
8452e9ef
JK
427 .bus_id = 0, /* OMAP1 SoC camera bus */
428 .i2c_adapter_id = 1,
429 .board_info = &ams_delta_camera_board_info[0],
430 .module_name = "ov6650",
243e76b4 431 .power = ams_delta_camera_power,
8452e9ef
JK
432};
433
07ad6ab3 434static struct platform_device ams_delta_camera_device = {
8452e9ef
JK
435 .name = "soc-camera-pdrv",
436 .id = 0,
437 .dev = {
438 .platform_data = &ams_delta_iclink,
439 },
440};
441
442static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
443 .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
444 .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
445};
446
b764de2d
JK
447static struct platform_device ams_delta_audio_device = {
448 .name = "ams-delta-audio",
449 .id = -1,
450};
451
452static struct platform_device cx20442_codec_device = {
453 .name = "cx20442-codec",
454 .id = -1,
455};
456
9becde79 457static struct platform_device *ams_delta_devices[] __initdata = {
937eb4bb
JK
458 &latch1_gpio_device,
459 &latch2_gpio_device,
325d50b6 460 &ams_delta_kp_device,
8452e9ef 461 &ams_delta_camera_device,
b764de2d 462 &ams_delta_audio_device,
9becde79
JM
463};
464
da564a05 465static struct platform_device *late_devices[] __initdata = {
f7519d8c 466 &ams_delta_nand_device,
a524626b 467 &ams_delta_lcd_device,
b764de2d 468 &cx20442_codec_device,
9becde79
JM
469};
470
9b6553cd
TL
471static void __init ams_delta_init(void)
472{
c33da3a8
JK
473 /* mux pins for uarts */
474 omap_cfg_reg(UART1_TX);
475 omap_cfg_reg(UART1_RTS);
476
8452e9ef
JK
477 /* parallel camera interface */
478 omap_cfg_reg(H19_1610_CAM_EXCLK);
479 omap_cfg_reg(J15_1610_CAM_LCLK);
480 omap_cfg_reg(L18_1610_CAM_VS);
481 omap_cfg_reg(L15_1610_CAM_HS);
482 omap_cfg_reg(L19_1610_CAM_D0);
483 omap_cfg_reg(K14_1610_CAM_D1);
484 omap_cfg_reg(K15_1610_CAM_D2);
485 omap_cfg_reg(K19_1610_CAM_D3);
486 omap_cfg_reg(K18_1610_CAM_D4);
487 omap_cfg_reg(J14_1610_CAM_D5);
488 omap_cfg_reg(J19_1610_CAM_D6);
489 omap_cfg_reg(J18_1610_CAM_D7);
490
9b6553cd 491 omap_serial_init();
1ed16a86 492 omap_register_i2c_bus(1, 100, NULL, 0);
9b6553cd 493
dd0cdd88 494 omap1_usb_init(&ams_delta_usb_config);
8452e9ef 495 omap1_set_camera_info(&ams_delta_camera_platform_data);
243e76b4
JK
496#ifdef CONFIG_LEDS_TRIGGERS
497 led_trigger_register_simple("ams_delta_camera",
498 &ams_delta_camera_led_trigger);
499#endif
5ca6180f 500 gpio_led_register_device(-1, &leds_pdata);
9becde79 501 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
b3dba0b8 502
e6f740f5 503 ams_delta_init_fiq();
e6f740f5 504
b3dba0b8 505 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
ddba6c7f
TV
506
507 omapfb_set_lcd_config(&ams_delta_lcd_config);
9b6553cd
TL
508}
509
aabf3173
JK
510static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
511{
512 struct modem_private_data *priv = port->private_data;
595a9f9a 513 int ret;
aabf3173 514
0379c1f5
JK
515 if (IS_ERR(priv->regulator))
516 return;
517
aabf3173
JK
518 if (state == old)
519 return;
520
0379c1f5 521 if (state == 0)
595a9f9a 522 ret = regulator_enable(priv->regulator);
0379c1f5 523 else if (old == 0)
595a9f9a
AB
524 ret = regulator_disable(priv->regulator);
525 else
526 ret = 0;
527
528 if (ret)
529 dev_warn(port->dev,
530 "ams_delta modem_pm: failed to %sable regulator: %d\n",
531 state ? "dis" : "en", ret);
aabf3173
JK
532}
533
eff443df
JK
534static struct plat_serial8250_port ams_delta_modem_ports[] = {
535 {
937eb4bb
JK
536 .membase = IOMEM(MODEM_VIRT),
537 .mapbase = MODEM_PHYS,
eff443df
JK
538 .irq = -EINVAL, /* changed later */
539 .flags = UPF_BOOT_AUTOCONF,
540 .irqflags = IRQF_TRIGGER_RISING,
541 .iotype = UPIO_MEM,
542 .regshift = 1,
543 .uartclk = BASE_BAUD * 16,
aabf3173
JK
544 .pm = modem_pm,
545 .private_data = &modem_priv,
eff443df
JK
546 },
547 { },
548};
549
550static struct platform_device ams_delta_modem_device = {
551 .name = "serial8250",
552 .id = PLAT8250_DEV_PLATFORM1,
553 .dev = {
554 .platform_data = ams_delta_modem_ports,
555 },
556};
557
f7519d8c 558static int __init late_init(void)
eff443df 559{
4cb2dc67
JK
560 int err;
561
7f9187c2
TL
562 if (!machine_is_ams_delta())
563 return -ENODEV;
564
937eb4bb
JK
565 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
566 if (err) {
567 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
568 return err;
569 }
f7519d8c
JK
570
571 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
572
ac2885df
JK
573 err = platform_device_register(&modem_nreset_device);
574 if (err) {
575 pr_err("Couldn't register the modem regulator device\n");
576 return err;
577 }
578
eff443df 579 omap_cfg_reg(M14_1510_GPIO2);
4cb2dc67
JK
580 ams_delta_modem_ports[0].irq =
581 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
582
583 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
584 if (err) {
585 pr_err("Couldn't request gpio pin for modem\n");
586 return err;
587 }
588 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
eff443df 589
ac2885df 590 /* Initialize the modem_nreset regulator consumer before use */
ac2885df
JK
591 modem_priv.regulator = ERR_PTR(-ENODEV);
592
aabf3173
JK
593 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
594 AMS_DELTA_LATCH2_MODEM_CODEC);
eff443df 595
f7519d8c
JK
596 err = platform_device_register(&ams_delta_modem_device);
597 if (err)
598 goto gpio_free;
eff443df 599
ac2885df
JK
600 /*
601 * Once the modem device is registered, the modem_nreset
602 * regulator can be requested on behalf of that device.
ac2885df
JK
603 */
604 modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
605 "RESET#");
606 if (IS_ERR(modem_priv.regulator)) {
607 err = PTR_ERR(modem_priv.regulator);
608 goto unregister;
609 }
f7519d8c
JK
610 return 0;
611
ac2885df
JK
612unregister:
613 platform_device_unregister(&ams_delta_modem_device);
f7519d8c
JK
614gpio_free:
615 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
616 return err;
eff443df 617}
82c3bd03
SG
618
619static void __init ams_delta_init_late(void)
620{
621 omap1_init_late();
622 late_init();
623}
eff443df 624
5bb01a99
TL
625static void __init ams_delta_map_io(void)
626{
627 omap15xx_map_io();
628 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
629}
630
9b6553cd
TL
631MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
632 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
246e389d 633 .atag_offset = 0x100,
5bb01a99 634 .map_io = ams_delta_map_io,
7b88e62f 635 .init_early = omap1_init_early,
7b88e62f 636 .init_irq = omap1_init_irq,
b694331c 637 .handle_irq = omap1_handle_irq,
9b6553cd 638 .init_machine = ams_delta_init,
82c3bd03 639 .init_late = ams_delta_init_late,
6bb27d73 640 .init_time = omap1_timer_init,
baa95883 641 .restart = omap1_restart,
9b6553cd 642MACHINE_END