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/serial_8250.h>
23 #include <linux/export.h>
25 #include <media/soc_camera.h>
27 #include <asm/serial.h>
28 #include <mach/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
34 #include <plat/board-ams-delta.h>
35 #include <plat/keypad.h>
38 #include <plat/board.h>
40 #include <mach/camera.h>
42 #include <mach/ams-delta-fiq.h>
44 static const unsigned int ams_delta_keymap[] = {
45 KEY(0, 0, KEY_F1), /* Advert */
47 KEY(0, 3, KEY_COFFEE), /* Games */
48 KEY(0, 2, KEY_QUESTION), /* Directory */
49 KEY(2, 3, KEY_CONNECT), /* Internet */
50 KEY(1, 2, KEY_SHOP), /* Services */
51 KEY(1, 1, KEY_PHONE), /* VoiceMail */
53 KEY(0, 1, KEY_DELETE), /* Delete */
54 KEY(2, 2, KEY_PLAY), /* Play */
55 KEY(1, 0, KEY_PAGEUP), /* Up */
56 KEY(1, 3, KEY_PAGEDOWN), /* Down */
57 KEY(2, 0, KEY_EMAIL), /* ReadEmail */
58 KEY(2, 1, KEY_STOP), /* Stop */
60 /* Numeric keypad portion */
71 KEY(3, 7, KEY_KPASTERISK),
72 KEY(3, 5, KEY_KPDOT), /* # key */
73 KEY(7, 2, KEY_NUMLOCK), /* Mute */
74 KEY(7, 1, KEY_KPMINUS), /* Recall */
75 KEY(6, 1, KEY_KPPLUS), /* Redial */
76 KEY(7, 6, KEY_KPSLASH), /* Handsfree */
77 KEY(6, 0, KEY_ENTER), /* Video */
79 KEY(7, 4, KEY_CAMERA), /* Photo */
81 KEY(0, 4, KEY_F2), /* Home */
82 KEY(1, 4, KEY_F3), /* Office */
83 KEY(2, 4, KEY_F4), /* Mobile */
84 KEY(7, 7, KEY_F5), /* SMS */
85 KEY(7, 5, KEY_F6), /* Email */
87 /* QWERTY portion of keypad */
116 KEY(6, 2, KEY_SPACE),
118 KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
119 KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
122 #define LATCH1_PHYS 0x01000000
123 #define LATCH1_VIRT 0xEA000000
124 #define MODEM_PHYS 0x04000000
125 #define MODEM_VIRT 0xEB000000
126 #define LATCH2_PHYS 0x08000000
127 #define LATCH2_VIRT 0xEC000000
129 static struct map_desc ams_delta_io_desc[] __initdata = {
130 /* AMS_DELTA_LATCH1 */
132 .virtual = LATCH1_VIRT,
133 .pfn = __phys_to_pfn(LATCH1_PHYS),
134 .length = 0x01000000,
137 /* AMS_DELTA_LATCH2 */
139 .virtual = LATCH2_VIRT,
140 .pfn = __phys_to_pfn(LATCH2_PHYS),
141 .length = 0x01000000,
144 /* AMS_DELTA_MODEM */
146 .virtual = MODEM_VIRT,
147 .pfn = __phys_to_pfn(MODEM_PHYS),
148 .length = 0x01000000,
153 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
154 .ctrl_name = "internal",
157 static struct omap_usb_config ams_delta_usb_config = {
163 static struct omap_board_config_kernel ams_delta_config[] __initdata = {
164 { OMAP_TAG_LCD, &ams_delta_lcd_config },
167 #define LATCH1_GPIO_BASE 232
168 #define LATCH1_NGPIO 8
170 static struct resource latch1_resources[] = {
173 .start = LATCH1_PHYS,
174 .end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
175 .flags = IORESOURCE_MEM,
179 static struct bgpio_pdata latch1_pdata = {
180 .base = LATCH1_GPIO_BASE,
181 .ngpio = LATCH1_NGPIO,
184 static struct platform_device latch1_gpio_device = {
185 .name = "basic-mmio-gpio",
187 .resource = latch1_resources,
188 .num_resources = ARRAY_SIZE(latch1_resources),
190 .platform_data = &latch1_pdata,
194 static struct resource latch2_resources[] = {
197 .start = LATCH2_PHYS,
198 .end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
199 .flags = IORESOURCE_MEM,
203 static struct bgpio_pdata latch2_pdata = {
204 .base = AMS_DELTA_LATCH2_GPIO_BASE,
205 .ngpio = AMS_DELTA_LATCH2_NGPIO,
208 static struct platform_device latch2_gpio_device = {
209 .name = "basic-mmio-gpio",
211 .resource = latch2_resources,
212 .num_resources = ARRAY_SIZE(latch2_resources),
214 .platform_data = &latch2_pdata,
218 static const struct gpio latch_gpios[] __initconst = {
220 .gpio = LATCH1_GPIO_BASE + 6,
221 .flags = GPIOF_OUT_INIT_LOW,
225 .gpio = LATCH1_GPIO_BASE + 7,
226 .flags = GPIOF_OUT_INIT_LOW,
230 .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
231 .flags = GPIOF_OUT_INIT_LOW,
232 .label = "scard_rstin",
235 .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
236 .flags = GPIOF_OUT_INIT_LOW,
237 .label = "scard_cmdvcc",
240 .gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
241 .flags = GPIOF_OUT_INIT_LOW,
242 .label = "modem_nreset",
245 .gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
246 .flags = GPIOF_OUT_INIT_LOW,
247 .label = "modem_codec",
250 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
251 .flags = GPIOF_OUT_INIT_LOW,
252 .label = "hookflash1",
255 .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
256 .flags = GPIOF_OUT_INIT_LOW,
257 .label = "hookflash2",
261 void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
264 u16 bitpos = 1 << bit;
266 for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
267 if (!(mask & bitpos))
269 gpio_set_value(base + bit, (value & bitpos) != 0);
272 EXPORT_SYMBOL(ams_delta_latch_write);
274 static struct resource ams_delta_nand_resources[] = {
276 .start = OMAP1_MPUIO_BASE,
277 .end = OMAP1_MPUIO_BASE +
278 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
279 .flags = IORESOURCE_MEM,
283 static struct platform_device ams_delta_nand_device = {
284 .name = "ams-delta-nand",
286 .num_resources = ARRAY_SIZE(ams_delta_nand_resources),
287 .resource = ams_delta_nand_resources,
290 static struct resource ams_delta_kp_resources[] = {
292 .start = INT_KEYBOARD,
294 .flags = IORESOURCE_IRQ,
298 static const struct matrix_keymap_data ams_delta_keymap_data = {
299 .keymap = ams_delta_keymap,
300 .keymap_size = ARRAY_SIZE(ams_delta_keymap),
303 static struct omap_kp_platform_data ams_delta_kp_data = {
306 .keymap_data = &ams_delta_keymap_data,
310 static struct platform_device ams_delta_kp_device = {
311 .name = "omap-keypad",
314 .platform_data = &ams_delta_kp_data,
316 .num_resources = ARRAY_SIZE(ams_delta_kp_resources),
317 .resource = ams_delta_kp_resources,
320 static struct platform_device ams_delta_lcd_device = {
321 .name = "lcd_ams_delta",
325 static const struct gpio_led gpio_leds[] __initconst = {
328 .gpio = LATCH1_GPIO_BASE + 0,
329 .default_state = LEDS_GPIO_DEFSTATE_OFF,
330 #ifdef CONFIG_LEDS_TRIGGERS
331 .default_trigger = "ams_delta_camera",
336 .gpio = LATCH1_GPIO_BASE + 1,
337 .default_state = LEDS_GPIO_DEFSTATE_OFF,
341 .gpio = LATCH1_GPIO_BASE + 2,
342 .default_state = LEDS_GPIO_DEFSTATE_OFF,
346 .gpio = LATCH1_GPIO_BASE + 3,
347 .default_state = LEDS_GPIO_DEFSTATE_OFF,
351 .gpio = LATCH1_GPIO_BASE + 4,
352 .default_state = LEDS_GPIO_DEFSTATE_OFF,
356 .gpio = LATCH1_GPIO_BASE + 5,
357 .default_state = LEDS_GPIO_DEFSTATE_OFF,
361 static const struct gpio_led_platform_data leds_pdata __initconst = {
363 .num_leds = ARRAY_SIZE(gpio_leds),
366 static struct i2c_board_info ams_delta_camera_board_info[] = {
368 I2C_BOARD_INFO("ov6650", 0x60),
372 #ifdef CONFIG_LEDS_TRIGGERS
373 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
375 static int ams_delta_camera_power(struct device *dev, int power)
381 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
383 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
387 #define ams_delta_camera_power NULL
390 static struct soc_camera_link ams_delta_iclink = {
391 .bus_id = 0, /* OMAP1 SoC camera bus */
393 .board_info = &ams_delta_camera_board_info[0],
394 .module_name = "ov6650",
395 .power = ams_delta_camera_power,
398 static struct platform_device ams_delta_camera_device = {
399 .name = "soc-camera-pdrv",
402 .platform_data = &ams_delta_iclink,
406 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
407 .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
408 .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
411 static struct platform_device *ams_delta_devices[] __initdata = {
414 &ams_delta_kp_device,
415 &ams_delta_camera_device,
418 static struct platform_device *late_devices[] __initdata = {
419 &ams_delta_nand_device,
420 &ams_delta_lcd_device,
423 static void __init ams_delta_init(void)
425 /* mux pins for uarts */
426 omap_cfg_reg(UART1_TX);
427 omap_cfg_reg(UART1_RTS);
429 /* parallel camera interface */
430 omap_cfg_reg(H19_1610_CAM_EXCLK);
431 omap_cfg_reg(J15_1610_CAM_LCLK);
432 omap_cfg_reg(L18_1610_CAM_VS);
433 omap_cfg_reg(L15_1610_CAM_HS);
434 omap_cfg_reg(L19_1610_CAM_D0);
435 omap_cfg_reg(K14_1610_CAM_D1);
436 omap_cfg_reg(K15_1610_CAM_D2);
437 omap_cfg_reg(K19_1610_CAM_D3);
438 omap_cfg_reg(K18_1610_CAM_D4);
439 omap_cfg_reg(J14_1610_CAM_D5);
440 omap_cfg_reg(J19_1610_CAM_D6);
441 omap_cfg_reg(J18_1610_CAM_D7);
443 omap_board_config = ams_delta_config;
444 omap_board_config_size = ARRAY_SIZE(ams_delta_config);
446 omap_register_i2c_bus(1, 100, NULL, 0);
448 omap1_usb_init(&ams_delta_usb_config);
449 omap1_set_camera_info(&ams_delta_camera_platform_data);
450 #ifdef CONFIG_LEDS_TRIGGERS
451 led_trigger_register_simple("ams_delta_camera",
452 &ams_delta_camera_led_trigger);
454 gpio_led_register_device(-1, &leds_pdata);
455 platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
457 ams_delta_init_fiq();
459 omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
462 static struct plat_serial8250_port ams_delta_modem_ports[] = {
464 .membase = IOMEM(MODEM_VIRT),
465 .mapbase = MODEM_PHYS,
466 .irq = -EINVAL, /* changed later */
467 .flags = UPF_BOOT_AUTOCONF,
468 .irqflags = IRQF_TRIGGER_RISING,
471 .uartclk = BASE_BAUD * 16,
476 static struct platform_device ams_delta_modem_device = {
477 .name = "serial8250",
478 .id = PLAT8250_DEV_PLATFORM1,
480 .platform_data = ams_delta_modem_ports,
484 static int __init late_init(void)
488 if (!machine_is_ams_delta())
491 err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
493 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
497 platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
499 omap_cfg_reg(M14_1510_GPIO2);
500 ams_delta_modem_ports[0].irq =
501 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
503 err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
505 pr_err("Couldn't request gpio pin for modem\n");
508 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
510 ams_delta_latch2_write(
511 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
512 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
514 err = platform_device_register(&ams_delta_modem_device);
520 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
523 late_initcall(late_init);
525 static void __init ams_delta_map_io(void)
528 iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
531 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
532 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
533 .atag_offset = 0x100,
534 .map_io = ams_delta_map_io,
535 .init_early = omap1_init_early,
536 .reserve = omap_reserve,
537 .init_irq = omap1_init_irq,
538 .init_machine = ams_delta_init,
539 .timer = &omap1_timer,
540 .restart = omap1_restart,