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/basic_mmio_gpio.h>
15 #include <linux/gpio.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/input.h>
19 #include <linux/interrupt.h>
20 #include <linux/leds.h>
21 #include <linux/platform_device.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/regulator/fixed.h>
24 #include <linux/regulator/machine.h>
25 #include <linux/serial_8250.h>
26 #include <linux/export.h>
27 #include <linux/omapfb.h>
29 #include <linux/platform_data/gpio-omap.h>
31 #include <media/soc_camera.h>
33 #include <asm/serial.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
38 #include <plat/board-ams-delta.h>
39 #include <plat/keypad.h>
42 #include <mach/hardware.h>
43 #include <mach/ams-delta-fiq.h>
44 #include <mach/camera.h>
50 static const unsigned int ams_delta_keymap[] = {
51 KEY(0, 0, KEY_F1), /* Advert */
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 */
57 KEY(1, 1, KEY_PHONE), /* VoiceMail */
59 KEY(0, 1, KEY_DELETE), /* Delete */
60 KEY(2, 2, KEY_PLAY), /* Play */
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 */
66 /* Numeric keypad portion */
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 */
85 KEY(7, 4, KEY_CAMERA), /* Photo */
87 KEY(0, 4, KEY_F2), /* Home */
88 KEY(1, 4, KEY_F3), /* Office */
89 KEY(2, 4, KEY_F4), /* Mobile */
90 KEY(7, 7, KEY_F5), /* SMS */
91 KEY(7, 5, KEY_F6), /* Email */
93 /* QWERTY portion of keypad */
122 KEY(6, 2, KEY_SPACE),
124 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
125 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
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
135 static struct map_desc ams_delta_io_desc[] __initdata = {
136 /* AMS_DELTA_LATCH1 */
138 .virtual = LATCH1_VIRT,
139 .pfn = __phys_to_pfn(LATCH1_PHYS),
140 .length = 0x01000000,
143 /* AMS_DELTA_LATCH2 */
145 .virtual = LATCH2_VIRT,
146 .pfn = __phys_to_pfn(LATCH2_PHYS),
147 .length = 0x01000000,
150 /* AMS_DELTA_MODEM */
152 .virtual = MODEM_VIRT,
153 .pfn = __phys_to_pfn(MODEM_PHYS),
154 .length = 0x01000000,
159 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
160 .ctrl_name = "internal",
163 static struct omap_usb_config ams_delta_usb_config = {
169 #define LATCH1_GPIO_BASE 232
170 #define LATCH1_NGPIO 8
172 static struct resource latch1_resources[] = {
175 .start = LATCH1_PHYS,
176 .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
177 .flags = IORESOURCE_MEM,
181 static struct bgpio_pdata latch1_pdata = {
182 .base = LATCH1_GPIO_BASE,
183 .ngpio = LATCH1_NGPIO,
186 static struct platform_device latch1_gpio_device = {
187 .name = "basic-mmio-gpio",
189 .resource = latch1_resources,
190 .num_resources = ARRAY_SIZE(latch1_resources),
192 .platform_data = &latch1_pdata,
196 static struct resource latch2_resources[] = {
199 .start = LATCH2_PHYS,
200 .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
201 .flags = IORESOURCE_MEM,
205 static struct bgpio_pdata latch2_pdata = {
206 .base = AMS_DELTA_LATCH2_GPIO_BASE,
207 .ngpio = AMS_DELTA_LATCH2_NGPIO,
210 static struct platform_device latch2_gpio_device = {
211 .name = "basic-mmio-gpio",
213 .resource = latch2_resources,
214 .num_resources = ARRAY_SIZE(latch2_resources),
216 .platform_data = &latch2_pdata,
220 static const struct gpio latch_gpios[] __initconst = {
222 .gpio = LATCH1_GPIO_BASE + 6,
223 .flags = GPIOF_OUT_INIT_LOW,
227 .gpio = LATCH1_GPIO_BASE + 7,
228 .flags = GPIOF_OUT_INIT_LOW,
232 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
233 .flags = GPIOF_OUT_INIT_LOW,
234 .label = "scard_rstin",
237 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
238 .flags = GPIOF_OUT_INIT_LOW,
239 .label = "scard_cmdvcc",
242 .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
243 .flags = GPIOF_OUT_INIT_LOW,
244 .label = "modem_codec",
247 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
248 .flags = GPIOF_OUT_INIT_LOW,
249 .label = "hookflash1",
252 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
253 .flags = GPIOF_OUT_INIT_LOW,
254 .label = "hookflash2",
258 static struct regulator_consumer_supply modem_nreset_consumers[] = {
259 REGULATOR_SUPPLY("RESET#", "serial8250.1"),
260 REGULATOR_SUPPLY("POR", "cx20442-codec"),
263 static struct regulator_init_data modem_nreset_data = {
265 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
268 .num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
269 .consumer_supplies = modem_nreset_consumers,
272 static 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,
278 .enabled_at_boot = 1,
279 .init_data = &modem_nreset_data,
282 static struct platform_device modem_nreset_device = {
283 .name = "reg-fixed-voltage",
286 .platform_data = &modem_nreset_config,
290 struct modem_private_data {
291 struct regulator *regulator;
294 static struct modem_private_data modem_priv;
296 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
299 u16 bitpos = 1 << bit;
301 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
302 if (!(mask & bitpos))
305 gpio_set_value(base + bit, (value & bitpos) != 0);
308 EXPORT_SYMBOL(ams_delta_latch_write);
310 static struct resource ams_delta_nand_resources[] = {
312 .start = OMAP1_MPUIO_BASE,
313 .end = OMAP1_MPUIO_BASE +
314 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
315 .flags = IORESOURCE_MEM,
319 static struct platform_device ams_delta_nand_device = {
320 .name = "ams-delta-nand",
322 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
323 .resource = ams_delta_nand_resources,
326 static struct resource ams_delta_kp_resources[] = {
328 .start = INT_KEYBOARD,
330 .flags = IORESOURCE_IRQ,
334 static const struct matrix_keymap_data ams_delta_keymap_data = {
335 .keymap = ams_delta_keymap,
336 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
339 static struct omap_kp_platform_data ams_delta_kp_data = {
342 .keymap_data = &ams_delta_keymap_data,
346 static struct platform_device ams_delta_kp_device = {
347 .name = "omap-keypad",
350 .platform_data = &ams_delta_kp_data,
352 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
353 .resource = ams_delta_kp_resources,
356 static struct platform_device ams_delta_lcd_device = {
357 .name = "lcd_ams_delta",
361 static const struct gpio_led gpio_leds[] __initconst = {
364 .gpio = LATCH1_GPIO_BASE + 0,
365 .default_state = LEDS_GPIO_DEFSTATE_OFF,
366 #ifdef CONFIG_LEDS_TRIGGERS
367 .default_trigger = "ams_delta_camera",
372 .gpio = LATCH1_GPIO_BASE + 1,
373 .default_state = LEDS_GPIO_DEFSTATE_OFF,
377 .gpio = LATCH1_GPIO_BASE + 2,
378 .default_state = LEDS_GPIO_DEFSTATE_OFF,
382 .gpio = LATCH1_GPIO_BASE + 3,
383 .default_state = LEDS_GPIO_DEFSTATE_OFF,
387 .gpio = LATCH1_GPIO_BASE + 4,
388 .default_state = LEDS_GPIO_DEFSTATE_OFF,
392 .gpio = LATCH1_GPIO_BASE + 5,
393 .default_state = LEDS_GPIO_DEFSTATE_OFF,
397 static const struct gpio_led_platform_data leds_pdata __initconst = {
399 .num_leds = ARRAY_SIZE(gpio_leds),
402 static struct i2c_board_info ams_delta_camera_board_info[] = {
404 I2C_BOARD_INFO("ov6650", 0x60),
408 #ifdef CONFIG_LEDS_TRIGGERS
409 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
411 static int ams_delta_camera_power(struct device *dev, int power)
417 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
419 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
423 #define ams_delta_camera_power NULL
426 static struct soc_camera_link ams_delta_iclink = {
427 .bus_id = 0, /* OMAP1 SoC camera bus */
429 .board_info = &ams_delta_camera_board_info[0],
430 .module_name = "ov6650",
431 .power = ams_delta_camera_power,
434 static struct platform_device ams_delta_camera_device = {
435 .name = "soc-camera-pdrv",
438 .platform_data = &ams_delta_iclink,
442 static 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 */
447 static struct platform_device *ams_delta_devices[] __initdata = {
450 &ams_delta_kp_device,
451 &ams_delta_camera_device,
454 static struct platform_device *late_devices[] __initdata = {
455 &ams_delta_nand_device,
456 &ams_delta_lcd_device,
459 static void __init ams_delta_init(void)
461 /* mux pins for uarts */
462 omap_cfg_reg(UART1_TX);
463 omap_cfg_reg(UART1_RTS);
465 /* parallel camera interface */
466 omap_cfg_reg(H19_1610_CAM_EXCLK);
467 omap_cfg_reg(J15_1610_CAM_LCLK);
468 omap_cfg_reg(L18_1610_CAM_VS);
469 omap_cfg_reg(L15_1610_CAM_HS);
470 omap_cfg_reg(L19_1610_CAM_D0);
471 omap_cfg_reg(K14_1610_CAM_D1);
472 omap_cfg_reg(K15_1610_CAM_D2);
473 omap_cfg_reg(K19_1610_CAM_D3);
474 omap_cfg_reg(K18_1610_CAM_D4);
475 omap_cfg_reg(J14_1610_CAM_D5);
476 omap_cfg_reg(J19_1610_CAM_D6);
477 omap_cfg_reg(J18_1610_CAM_D7);
480 omap_register_i2c_bus(1, 100, NULL, 0);
482 omap1_usb_init(&ams_delta_usb_config);
483 omap1_set_camera_info(&ams_delta_camera_platform_data);
484 #ifdef CONFIG_LEDS_TRIGGERS
485 led_trigger_register_simple("ams_delta_camera",
486 &ams_delta_camera_led_trigger);
488 gpio_led_register_device(-1, &leds_pdata);
489 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
491 ams_delta_init_fiq();
493 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
495 omapfb_set_lcd_config(&ams_delta_lcd_config);
498 static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
500 struct modem_private_data *priv = port->private_data;
502 if (IS_ERR(priv->regulator))
509 regulator_enable(priv->regulator);
511 regulator_disable(priv->regulator);
514 static struct plat_serial8250_port ams_delta_modem_ports[] = {
516 .membase = IOMEM(MODEM_VIRT),
517 .mapbase = MODEM_PHYS,
518 .irq = -EINVAL, /* changed later */
519 .flags = UPF_BOOT_AUTOCONF,
520 .irqflags = IRQF_TRIGGER_RISING,
523 .uartclk = BASE_BAUD * 16,
525 .private_data = &modem_priv,
530 static struct platform_device ams_delta_modem_device = {
531 .name = "serial8250",
532 .id = PLAT8250_DEV_PLATFORM1,
534 .platform_data = ams_delta_modem_ports,
538 static int __init late_init(void)
542 if (!machine_is_ams_delta())
545 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
547 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
551 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
553 err = platform_device_register(&modem_nreset_device);
555 pr_err("Couldn't register the modem regulator device\n");
559 omap_cfg_reg(M14_1510_GPIO2);
560 ams_delta_modem_ports[0].irq =
561 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
563 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
565 pr_err("Couldn't request gpio pin for modem\n");
568 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
570 /* Initialize the modem_nreset regulator consumer before use */
571 modem_priv.regulator = ERR_PTR(-ENODEV);
573 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
574 AMS_DELTA_LATCH2_MODEM_CODEC);
576 err = platform_device_register(&ams_delta_modem_device);
581 * Once the modem device is registered, the modem_nreset
582 * regulator can be requested on behalf of that device.
584 modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
586 if (IS_ERR(modem_priv.regulator)) {
587 err = PTR_ERR(modem_priv.regulator);
593 platform_device_unregister(&ams_delta_modem_device);
595 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
599 static void __init ams_delta_init_late(void)
605 static void __init ams_delta_map_io(void)
608 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
611 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
612 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
613 .atag_offset = 0x100,
614 .map_io = ams_delta_map_io,
615 .init_early = omap1_init_early,
616 .reserve = omap_reserve,
617 .init_irq = omap1_init_irq,
618 .init_machine = ams_delta_init,
619 .init_late = ams_delta_init_late,
620 .timer = &omap1_timer,
621 .restart = omap1_restart,