2 * linux/arch/arm/mach-omap1/board-ams-delta.c
4 * Modified from board-generic.c
6 * Board specific inits for the Amstrad E3 (codename Delta) videophone
8 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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.
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>
30 #include <linux/platform_data/gpio-omap.h>
32 #include <media/soc_camera.h>
34 #include <asm/serial.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
39 #include <mach/board-ams-delta.h>
40 #include <linux/platform_data/keypad-omap.h>
43 #include <mach/hardware.h>
44 #include <mach/ams-delta-fiq.h>
51 static const unsigned int ams_delta_keymap[] = {
52 KEY(0, 0, KEY_F1), /* Advert */
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 */
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 */
67 /* Numeric keypad portion */
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 */
86 KEY(7, 4, KEY_CAMERA), /* Photo */
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 */
94 /* QWERTY portion of keypad */
123 KEY(6, 2, KEY_SPACE),
125 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
126 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
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
136 static struct map_desc ams_delta_io_desc[] __initdata = {
137 /* AMS_DELTA_LATCH1 */
139 .virtual = LATCH1_VIRT,
140 .pfn = __phys_to_pfn(LATCH1_PHYS),
141 .length = 0x01000000,
144 /* AMS_DELTA_LATCH2 */
146 .virtual = LATCH2_VIRT,
147 .pfn = __phys_to_pfn(LATCH2_PHYS),
148 .length = 0x01000000,
151 /* AMS_DELTA_MODEM */
153 .virtual = MODEM_VIRT,
154 .pfn = __phys_to_pfn(MODEM_PHYS),
155 .length = 0x01000000,
160 static const struct omap_lcd_config ams_delta_lcd_config __initconst = {
161 .ctrl_name = "internal",
164 static struct omap_usb_config ams_delta_usb_config __initdata = {
170 #define LATCH1_GPIO_BASE 232
171 #define LATCH1_NGPIO 8
173 static struct resource latch1_resources[] = {
176 .start = LATCH1_PHYS,
177 .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
178 .flags = IORESOURCE_MEM,
182 static struct bgpio_pdata latch1_pdata = {
183 .base = LATCH1_GPIO_BASE,
184 .ngpio = LATCH1_NGPIO,
187 static struct platform_device latch1_gpio_device = {
188 .name = "basic-mmio-gpio",
190 .resource = latch1_resources,
191 .num_resources = ARRAY_SIZE(latch1_resources),
193 .platform_data = &latch1_pdata,
197 static struct resource latch2_resources[] = {
200 .start = LATCH2_PHYS,
201 .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
202 .flags = IORESOURCE_MEM,
206 static struct bgpio_pdata latch2_pdata = {
207 .label = "ams-delta-latch2",
208 .base = AMS_DELTA_LATCH2_GPIO_BASE,
209 .ngpio = AMS_DELTA_LATCH2_NGPIO,
212 static struct platform_device latch2_gpio_device = {
213 .name = "basic-mmio-gpio",
215 .resource = latch2_resources,
216 .num_resources = ARRAY_SIZE(latch2_resources),
218 .platform_data = &latch2_pdata,
222 static const struct gpio latch_gpios[] __initconst = {
224 .gpio = LATCH1_GPIO_BASE + 6,
225 .flags = GPIOF_OUT_INIT_LOW,
229 .gpio = LATCH1_GPIO_BASE + 7,
230 .flags = GPIOF_OUT_INIT_LOW,
234 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
235 .flags = GPIOF_OUT_INIT_LOW,
236 .label = "scard_rstin",
239 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
240 .flags = GPIOF_OUT_INIT_LOW,
241 .label = "scard_cmdvcc",
244 .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
245 .flags = GPIOF_OUT_INIT_LOW,
246 .label = "modem_codec",
249 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
250 .flags = GPIOF_OUT_INIT_LOW,
251 .label = "hookflash1",
254 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
255 .flags = GPIOF_OUT_INIT_LOW,
256 .label = "hookflash2",
260 static struct regulator_consumer_supply modem_nreset_consumers[] = {
261 REGULATOR_SUPPLY("RESET#", "serial8250.1"),
262 REGULATOR_SUPPLY("POR", "cx20442-codec"),
265 static struct regulator_init_data modem_nreset_data = {
267 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
270 .num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
271 .consumer_supplies = modem_nreset_consumers,
274 static struct fixed_voltage_config modem_nreset_config = {
275 .supply_name = "modem_nreset",
276 .microvolts = 3300000,
277 .startup_delay = 25000,
279 .enabled_at_boot = 1,
280 .init_data = &modem_nreset_data,
283 static struct platform_device modem_nreset_device = {
284 .name = "reg-fixed-voltage",
287 .platform_data = &modem_nreset_config,
291 static struct gpiod_lookup_table modem_nreset_gpiod_table = {
292 .dev_id = "reg-fixed-voltage",
294 /* The AMS_DELTA_GPIO_PIN_MODEM_NRESET is at offset 12 */
295 GPIO_LOOKUP("ams-delta-latch2", 12,
296 "enable", GPIO_ACTIVE_HIGH),
301 struct modem_private_data {
302 struct regulator *regulator;
305 static struct modem_private_data modem_priv;
307 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
310 u16 bitpos = 1 << bit;
312 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
313 if (!(mask & bitpos))
316 gpio_set_value(base + bit, (value & bitpos) != 0);
319 EXPORT_SYMBOL(ams_delta_latch_write);
321 static struct resource ams_delta_nand_resources[] = {
323 .start = OMAP1_MPUIO_BASE,
324 .end = OMAP1_MPUIO_BASE +
325 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
326 .flags = IORESOURCE_MEM,
330 static struct platform_device ams_delta_nand_device = {
331 .name = "ams-delta-nand",
333 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
334 .resource = ams_delta_nand_resources,
337 static struct resource ams_delta_kp_resources[] = {
339 .start = INT_KEYBOARD,
341 .flags = IORESOURCE_IRQ,
345 static const struct matrix_keymap_data ams_delta_keymap_data = {
346 .keymap = ams_delta_keymap,
347 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
350 static struct omap_kp_platform_data ams_delta_kp_data = {
353 .keymap_data = &ams_delta_keymap_data,
357 static struct platform_device ams_delta_kp_device = {
358 .name = "omap-keypad",
361 .platform_data = &ams_delta_kp_data,
363 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
364 .resource = ams_delta_kp_resources,
367 static struct platform_device ams_delta_lcd_device = {
368 .name = "lcd_ams_delta",
372 static const struct gpio_led gpio_leds[] __initconst = {
375 .gpio = LATCH1_GPIO_BASE + 0,
376 .default_state = LEDS_GPIO_DEFSTATE_OFF,
377 #ifdef CONFIG_LEDS_TRIGGERS
378 .default_trigger = "ams_delta_camera",
383 .gpio = LATCH1_GPIO_BASE + 1,
384 .default_state = LEDS_GPIO_DEFSTATE_OFF,
388 .gpio = LATCH1_GPIO_BASE + 2,
389 .default_state = LEDS_GPIO_DEFSTATE_OFF,
393 .gpio = LATCH1_GPIO_BASE + 3,
394 .default_state = LEDS_GPIO_DEFSTATE_OFF,
398 .gpio = LATCH1_GPIO_BASE + 4,
399 .default_state = LEDS_GPIO_DEFSTATE_OFF,
403 .gpio = LATCH1_GPIO_BASE + 5,
404 .default_state = LEDS_GPIO_DEFSTATE_OFF,
408 static const struct gpio_led_platform_data leds_pdata __initconst = {
410 .num_leds = ARRAY_SIZE(gpio_leds),
413 static struct i2c_board_info ams_delta_camera_board_info[] = {
415 I2C_BOARD_INFO("ov6650", 0x60),
419 #ifdef CONFIG_LEDS_TRIGGERS
420 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
422 static int ams_delta_camera_power(struct device *dev, int power)
428 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
430 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
434 #define ams_delta_camera_power NULL
437 static struct soc_camera_link ams_delta_iclink = {
438 .bus_id = 0, /* OMAP1 SoC camera bus */
440 .board_info = &ams_delta_camera_board_info[0],
441 .module_name = "ov6650",
442 .power = ams_delta_camera_power,
445 static struct platform_device ams_delta_camera_device = {
446 .name = "soc-camera-pdrv",
449 .platform_data = &ams_delta_iclink,
453 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
454 .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
455 .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
458 static struct platform_device ams_delta_audio_device = {
459 .name = "ams-delta-audio",
463 static struct platform_device cx20442_codec_device = {
464 .name = "cx20442-codec",
468 static struct platform_device *ams_delta_devices[] __initdata = {
471 &ams_delta_kp_device,
472 &ams_delta_camera_device,
473 &ams_delta_audio_device,
476 static struct platform_device *late_devices[] __initdata = {
477 &ams_delta_nand_device,
478 &ams_delta_lcd_device,
479 &cx20442_codec_device,
482 static void __init ams_delta_init(void)
484 /* mux pins for uarts */
485 omap_cfg_reg(UART1_TX);
486 omap_cfg_reg(UART1_RTS);
488 /* parallel camera interface */
489 omap_cfg_reg(H19_1610_CAM_EXCLK);
490 omap_cfg_reg(J15_1610_CAM_LCLK);
491 omap_cfg_reg(L18_1610_CAM_VS);
492 omap_cfg_reg(L15_1610_CAM_HS);
493 omap_cfg_reg(L19_1610_CAM_D0);
494 omap_cfg_reg(K14_1610_CAM_D1);
495 omap_cfg_reg(K15_1610_CAM_D2);
496 omap_cfg_reg(K19_1610_CAM_D3);
497 omap_cfg_reg(K18_1610_CAM_D4);
498 omap_cfg_reg(J14_1610_CAM_D5);
499 omap_cfg_reg(J19_1610_CAM_D6);
500 omap_cfg_reg(J18_1610_CAM_D7);
503 omap_register_i2c_bus(1, 100, NULL, 0);
505 omap1_usb_init(&ams_delta_usb_config);
506 omap1_set_camera_info(&ams_delta_camera_platform_data);
507 #ifdef CONFIG_LEDS_TRIGGERS
508 led_trigger_register_simple("ams_delta_camera",
509 &ams_delta_camera_led_trigger);
511 gpio_led_register_device(-1, &leds_pdata);
512 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
514 ams_delta_init_fiq();
516 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
518 omapfb_set_lcd_config(&ams_delta_lcd_config);
521 static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
523 struct modem_private_data *priv = port->private_data;
526 if (IS_ERR(priv->regulator))
533 ret = regulator_enable(priv->regulator);
535 ret = regulator_disable(priv->regulator);
541 "ams_delta modem_pm: failed to %sable regulator: %d\n",
542 state ? "dis" : "en", ret);
545 static struct plat_serial8250_port ams_delta_modem_ports[] = {
547 .membase = IOMEM(MODEM_VIRT),
548 .mapbase = MODEM_PHYS,
549 .irq = -EINVAL, /* changed later */
550 .flags = UPF_BOOT_AUTOCONF,
551 .irqflags = IRQF_TRIGGER_RISING,
554 .uartclk = BASE_BAUD * 16,
556 .private_data = &modem_priv,
561 static struct platform_device ams_delta_modem_device = {
562 .name = "serial8250",
563 .id = PLAT8250_DEV_PLATFORM1,
565 .platform_data = ams_delta_modem_ports,
569 static int __init late_init(void)
573 if (!machine_is_ams_delta())
576 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
578 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
582 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
584 gpiod_add_lookup_table(&modem_nreset_gpiod_table);
585 err = platform_device_register(&modem_nreset_device);
587 pr_err("Couldn't register the modem regulator device\n");
591 omap_cfg_reg(M14_1510_GPIO2);
592 ams_delta_modem_ports[0].irq =
593 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
595 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
597 pr_err("Couldn't request gpio pin for modem\n");
600 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
602 /* Initialize the modem_nreset regulator consumer before use */
603 modem_priv.regulator = ERR_PTR(-ENODEV);
605 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
606 AMS_DELTA_LATCH2_MODEM_CODEC);
608 err = platform_device_register(&ams_delta_modem_device);
613 * Once the modem device is registered, the modem_nreset
614 * regulator can be requested on behalf of that device.
616 modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
618 if (IS_ERR(modem_priv.regulator)) {
619 err = PTR_ERR(modem_priv.regulator);
625 platform_device_unregister(&ams_delta_modem_device);
627 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
631 static void __init ams_delta_init_late(void)
637 static void __init ams_delta_map_io(void)
640 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
643 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
644 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
645 .atag_offset = 0x100,
646 .map_io = ams_delta_map_io,
647 .init_early = omap1_init_early,
648 .init_irq = omap1_init_irq,
649 .handle_irq = omap1_handle_irq,
650 .init_machine = ams_delta_init,
651 .init_late = ams_delta_init_late,
652 .init_time = omap1_timer_init,
653 .restart = omap1_restart,