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>
28 #include <media/soc_camera.h>
30 #include <asm/serial.h>
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
37 #include <plat/board-ams-delta.h>
38 #include <plat/keypad.h>
41 #include <plat/board.h>
43 #include <mach/camera.h>
45 #include <mach/ams-delta-fiq.h>
47 static const unsigned int ams_delta_keymap[] = {
48 KEY(0, 0, KEY_F1), /* Advert */
50 KEY(0, 3, KEY_COFFEE), /* Games */
51 KEY(0, 2, KEY_QUESTION), /* Directory */
52 KEY(2, 3, KEY_CONNECT), /* Internet */
53 KEY(1, 2, KEY_SHOP), /* Services */
54 KEY(1, 1, KEY_PHONE), /* VoiceMail */
56 KEY(0, 1, KEY_DELETE), /* Delete */
57 KEY(2, 2, KEY_PLAY), /* Play */
58 KEY(1, 0, KEY_PAGEUP), /* Up */
59 KEY(1, 3, KEY_PAGEDOWN), /* Down */
60 KEY(2, 0, KEY_EMAIL), /* ReadEmail */
61 KEY(2, 1, KEY_STOP), /* Stop */
63 /* Numeric keypad portion */
74 KEY(3, 7, KEY_KPASTERISK),
75 KEY(3, 5, KEY_KPDOT), /* # key */
76 KEY(7, 2, KEY_NUMLOCK), /* Mute */
77 KEY(7, 1, KEY_KPMINUS), /* Recall */
78 KEY(6, 1, KEY_KPPLUS), /* Redial */
79 KEY(7, 6, KEY_KPSLASH), /* Handsfree */
80 KEY(6, 0, KEY_ENTER), /* Video */
82 KEY(7, 4, KEY_CAMERA), /* Photo */
84 KEY(0, 4, KEY_F2), /* Home */
85 KEY(1, 4, KEY_F3), /* Office */
86 KEY(2, 4, KEY_F4), /* Mobile */
87 KEY(7, 7, KEY_F5), /* SMS */
88 KEY(7, 5, KEY_F6), /* Email */
90 /* QWERTY portion of keypad */
119 KEY(6, 2, KEY_SPACE),
121 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
122 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
125 #define LATCH1_PHYS 0x01000000
126 #define LATCH1_VIRT 0xEA000000
127 #define MODEM_PHYS 0x04000000
128 #define MODEM_VIRT 0xEB000000
129 #define LATCH2_PHYS 0x08000000
130 #define LATCH2_VIRT 0xEC000000
132 static struct map_desc ams_delta_io_desc[] __initdata = {
133 /* AMS_DELTA_LATCH1 */
135 .virtual = LATCH1_VIRT,
136 .pfn = __phys_to_pfn(LATCH1_PHYS),
137 .length = 0x01000000,
140 /* AMS_DELTA_LATCH2 */
142 .virtual = LATCH2_VIRT,
143 .pfn = __phys_to_pfn(LATCH2_PHYS),
144 .length = 0x01000000,
147 /* AMS_DELTA_MODEM */
149 .virtual = MODEM_VIRT,
150 .pfn = __phys_to_pfn(MODEM_PHYS),
151 .length = 0x01000000,
156 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
157 .ctrl_name = "internal",
160 static struct omap_usb_config ams_delta_usb_config = {
166 static struct omap_board_config_kernel ams_delta_config[] __initdata = {
167 { OMAP_TAG_LCD, &ams_delta_lcd_config },
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 .base = AMS_DELTA_LATCH2_GPIO_BASE,
208 .ngpio = AMS_DELTA_LATCH2_NGPIO,
211 static struct platform_device latch2_gpio_device = {
212 .name = "basic-mmio-gpio",
214 .resource = latch2_resources,
215 .num_resources = ARRAY_SIZE(latch2_resources),
217 .platform_data = &latch2_pdata,
221 static const struct gpio latch_gpios[] __initconst = {
223 .gpio = LATCH1_GPIO_BASE + 6,
224 .flags = GPIOF_OUT_INIT_LOW,
228 .gpio = LATCH1_GPIO_BASE + 7,
229 .flags = GPIOF_OUT_INIT_LOW,
233 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
234 .flags = GPIOF_OUT_INIT_LOW,
235 .label = "scard_rstin",
238 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
239 .flags = GPIOF_OUT_INIT_LOW,
240 .label = "scard_cmdvcc",
243 .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
244 .flags = GPIOF_OUT_INIT_LOW,
245 .label = "modem_codec",
248 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
249 .flags = GPIOF_OUT_INIT_LOW,
250 .label = "hookflash1",
253 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
254 .flags = GPIOF_OUT_INIT_LOW,
255 .label = "hookflash2",
259 static struct regulator_consumer_supply modem_nreset_consumers[] = {
260 REGULATOR_SUPPLY("RESET#", "serial8250.1"),
261 REGULATOR_SUPPLY("POR", "cx20442-codec"),
264 static struct regulator_init_data modem_nreset_data = {
266 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
269 .num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
270 .consumer_supplies = modem_nreset_consumers,
273 static struct fixed_voltage_config modem_nreset_config = {
274 .supply_name = "modem_nreset",
275 .microvolts = 3300000,
276 .gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
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 struct modem_private_data {
292 struct regulator *regulator;
295 static struct modem_private_data modem_priv;
297 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
300 u16 bitpos = 1 << bit;
302 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
303 if (!(mask & bitpos))
306 gpio_set_value(base + bit, (value & bitpos) != 0);
309 EXPORT_SYMBOL(ams_delta_latch_write);
311 static struct resource ams_delta_nand_resources[] = {
313 .start = OMAP1_MPUIO_BASE,
314 .end = OMAP1_MPUIO_BASE +
315 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
316 .flags = IORESOURCE_MEM,
320 static struct platform_device ams_delta_nand_device = {
321 .name = "ams-delta-nand",
323 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
324 .resource = ams_delta_nand_resources,
327 static struct resource ams_delta_kp_resources[] = {
329 .start = INT_KEYBOARD,
331 .flags = IORESOURCE_IRQ,
335 static const struct matrix_keymap_data ams_delta_keymap_data = {
336 .keymap = ams_delta_keymap,
337 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
340 static struct omap_kp_platform_data ams_delta_kp_data = {
343 .keymap_data = &ams_delta_keymap_data,
347 static struct platform_device ams_delta_kp_device = {
348 .name = "omap-keypad",
351 .platform_data = &ams_delta_kp_data,
353 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
354 .resource = ams_delta_kp_resources,
357 static struct platform_device ams_delta_lcd_device = {
358 .name = "lcd_ams_delta",
362 static const struct gpio_led gpio_leds[] __initconst = {
365 .gpio = LATCH1_GPIO_BASE + 0,
366 .default_state = LEDS_GPIO_DEFSTATE_OFF,
367 #ifdef CONFIG_LEDS_TRIGGERS
368 .default_trigger = "ams_delta_camera",
373 .gpio = LATCH1_GPIO_BASE + 1,
374 .default_state = LEDS_GPIO_DEFSTATE_OFF,
378 .gpio = LATCH1_GPIO_BASE + 2,
379 .default_state = LEDS_GPIO_DEFSTATE_OFF,
383 .gpio = LATCH1_GPIO_BASE + 3,
384 .default_state = LEDS_GPIO_DEFSTATE_OFF,
388 .gpio = LATCH1_GPIO_BASE + 4,
389 .default_state = LEDS_GPIO_DEFSTATE_OFF,
393 .gpio = LATCH1_GPIO_BASE + 5,
394 .default_state = LEDS_GPIO_DEFSTATE_OFF,
398 static const struct gpio_led_platform_data leds_pdata __initconst = {
400 .num_leds = ARRAY_SIZE(gpio_leds),
403 static struct i2c_board_info ams_delta_camera_board_info[] = {
405 I2C_BOARD_INFO("ov6650", 0x60),
409 #ifdef CONFIG_LEDS_TRIGGERS
410 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
412 static int ams_delta_camera_power(struct device *dev, int power)
418 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
420 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
424 #define ams_delta_camera_power NULL
427 static struct soc_camera_link ams_delta_iclink = {
428 .bus_id = 0, /* OMAP1 SoC camera bus */
430 .board_info = &ams_delta_camera_board_info[0],
431 .module_name = "ov6650",
432 .power = ams_delta_camera_power,
435 static struct platform_device ams_delta_camera_device = {
436 .name = "soc-camera-pdrv",
439 .platform_data = &ams_delta_iclink,
443 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
444 .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
445 .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
448 static struct platform_device *ams_delta_devices[] __initdata = {
451 &ams_delta_kp_device,
452 &ams_delta_camera_device,
455 static struct platform_device *late_devices[] __initdata = {
456 &ams_delta_nand_device,
457 &ams_delta_lcd_device,
460 static void __init ams_delta_init(void)
462 /* mux pins for uarts */
463 omap_cfg_reg(UART1_TX);
464 omap_cfg_reg(UART1_RTS);
466 /* parallel camera interface */
467 omap_cfg_reg(H19_1610_CAM_EXCLK);
468 omap_cfg_reg(J15_1610_CAM_LCLK);
469 omap_cfg_reg(L18_1610_CAM_VS);
470 omap_cfg_reg(L15_1610_CAM_HS);
471 omap_cfg_reg(L19_1610_CAM_D0);
472 omap_cfg_reg(K14_1610_CAM_D1);
473 omap_cfg_reg(K15_1610_CAM_D2);
474 omap_cfg_reg(K19_1610_CAM_D3);
475 omap_cfg_reg(K18_1610_CAM_D4);
476 omap_cfg_reg(J14_1610_CAM_D5);
477 omap_cfg_reg(J19_1610_CAM_D6);
478 omap_cfg_reg(J18_1610_CAM_D7);
480 omap_board_config = ams_delta_config;
481 omap_board_config_size = ARRAY_SIZE(ams_delta_config);
483 omap_register_i2c_bus(1, 100, NULL, 0);
485 omap1_usb_init(&ams_delta_usb_config);
486 omap1_set_camera_info(&ams_delta_camera_platform_data);
487 #ifdef CONFIG_LEDS_TRIGGERS
488 led_trigger_register_simple("ams_delta_camera",
489 &ams_delta_camera_led_trigger);
491 gpio_led_register_device(-1, &leds_pdata);
492 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
494 ams_delta_init_fiq();
496 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
499 static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
501 struct modem_private_data *priv = port->private_data;
503 if (IS_ERR(priv->regulator))
510 regulator_enable(priv->regulator);
512 regulator_disable(priv->regulator);
515 static struct plat_serial8250_port ams_delta_modem_ports[] = {
517 .membase = IOMEM(MODEM_VIRT),
518 .mapbase = MODEM_PHYS,
519 .irq = -EINVAL, /* changed later */
520 .flags = UPF_BOOT_AUTOCONF,
521 .irqflags = IRQF_TRIGGER_RISING,
524 .uartclk = BASE_BAUD * 16,
526 .private_data = &modem_priv,
531 static struct platform_device ams_delta_modem_device = {
532 .name = "serial8250",
533 .id = PLAT8250_DEV_PLATFORM1,
535 .platform_data = ams_delta_modem_ports,
539 static int __init late_init(void)
543 if (!machine_is_ams_delta())
546 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
548 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
552 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
554 err = platform_device_register(&modem_nreset_device);
556 pr_err("Couldn't register the modem regulator device\n");
560 omap_cfg_reg(M14_1510_GPIO2);
561 ams_delta_modem_ports[0].irq =
562 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
564 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
566 pr_err("Couldn't request gpio pin for modem\n");
569 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
571 /* Initialize the modem_nreset regulator consumer before use */
572 modem_priv.regulator = ERR_PTR(-ENODEV);
574 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
575 AMS_DELTA_LATCH2_MODEM_CODEC);
577 err = platform_device_register(&ams_delta_modem_device);
582 * Once the modem device is registered, the modem_nreset
583 * regulator can be requested on behalf of that device.
585 modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
587 if (IS_ERR(modem_priv.regulator)) {
588 err = PTR_ERR(modem_priv.regulator);
594 platform_device_unregister(&ams_delta_modem_device);
596 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
599 late_initcall(late_init);
601 static void __init ams_delta_map_io(void)
604 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
607 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
608 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
609 .atag_offset = 0x100,
610 .map_io = ams_delta_map_io,
611 .init_early = omap1_init_early,
612 .reserve = omap_reserve,
613 .init_irq = omap1_init_irq,
614 .init_machine = ams_delta_init,
615 .timer = &omap1_timer,
616 .restart = omap1_restart,