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 <mach/board-ams-delta.h>
39 #include <linux/platform_data/keypad-omap.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 __initdata
= {
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_audio_device
= {
448 .name
= "ams-delta-audio",
452 static struct platform_device cx20442_codec_device
= {
453 .name
= "cx20442-codec",
457 static struct platform_device
*ams_delta_devices
[] __initdata
= {
460 &ams_delta_kp_device
,
461 &ams_delta_camera_device
,
462 &ams_delta_audio_device
,
465 static struct platform_device
*late_devices
[] __initdata
= {
466 &ams_delta_nand_device
,
467 &ams_delta_lcd_device
,
468 &cx20442_codec_device
,
471 static void __init
ams_delta_init(void)
473 /* mux pins for uarts */
474 omap_cfg_reg(UART1_TX
);
475 omap_cfg_reg(UART1_RTS
);
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
);
492 omap_register_i2c_bus(1, 100, NULL
, 0);
494 omap1_usb_init(&ams_delta_usb_config
);
495 omap1_set_camera_info(&ams_delta_camera_platform_data
);
496 #ifdef CONFIG_LEDS_TRIGGERS
497 led_trigger_register_simple("ams_delta_camera",
498 &ams_delta_camera_led_trigger
);
500 gpio_led_register_device(-1, &leds_pdata
);
501 platform_add_devices(ams_delta_devices
, ARRAY_SIZE(ams_delta_devices
));
503 ams_delta_init_fiq();
505 omap_writew(omap_readw(ARM_RSTCT1
) | 0x0004, ARM_RSTCT1
);
507 omapfb_set_lcd_config(&ams_delta_lcd_config
);
510 static void modem_pm(struct uart_port
*port
, unsigned int state
, unsigned old
)
512 struct modem_private_data
*priv
= port
->private_data
;
514 if (IS_ERR(priv
->regulator
))
521 regulator_enable(priv
->regulator
);
523 regulator_disable(priv
->regulator
);
526 static struct plat_serial8250_port ams_delta_modem_ports
[] = {
528 .membase
= IOMEM(MODEM_VIRT
),
529 .mapbase
= MODEM_PHYS
,
530 .irq
= -EINVAL
, /* changed later */
531 .flags
= UPF_BOOT_AUTOCONF
,
532 .irqflags
= IRQF_TRIGGER_RISING
,
535 .uartclk
= BASE_BAUD
* 16,
537 .private_data
= &modem_priv
,
542 static struct platform_device ams_delta_modem_device
= {
543 .name
= "serial8250",
544 .id
= PLAT8250_DEV_PLATFORM1
,
546 .platform_data
= ams_delta_modem_ports
,
550 static int __init
late_init(void)
554 if (!machine_is_ams_delta())
557 err
= gpio_request_array(latch_gpios
, ARRAY_SIZE(latch_gpios
));
559 pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
563 platform_add_devices(late_devices
, ARRAY_SIZE(late_devices
));
565 err
= platform_device_register(&modem_nreset_device
);
567 pr_err("Couldn't register the modem regulator device\n");
571 omap_cfg_reg(M14_1510_GPIO2
);
572 ams_delta_modem_ports
[0].irq
=
573 gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ
);
575 err
= gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ
, "modem");
577 pr_err("Couldn't request gpio pin for modem\n");
580 gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ
);
582 /* Initialize the modem_nreset regulator consumer before use */
583 modem_priv
.regulator
= ERR_PTR(-ENODEV
);
585 ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC
,
586 AMS_DELTA_LATCH2_MODEM_CODEC
);
588 err
= platform_device_register(&ams_delta_modem_device
);
593 * Once the modem device is registered, the modem_nreset
594 * regulator can be requested on behalf of that device.
596 modem_priv
.regulator
= regulator_get(&ams_delta_modem_device
.dev
,
598 if (IS_ERR(modem_priv
.regulator
)) {
599 err
= PTR_ERR(modem_priv
.regulator
);
605 platform_device_unregister(&ams_delta_modem_device
);
607 gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ
);
611 static void __init
ams_delta_init_late(void)
617 static void __init
ams_delta_map_io(void)
620 iotable_init(ams_delta_io_desc
, ARRAY_SIZE(ams_delta_io_desc
));
623 MACHINE_START(AMS_DELTA
, "Amstrad E3 (Delta)")
624 /* Maintainer: Jonathan McDowell <noodles@earth.li> */
625 .atag_offset
= 0x100,
626 .map_io
= ams_delta_map_io
,
627 .init_early
= omap1_init_early
,
628 .init_irq
= omap1_init_irq
,
629 .init_machine
= ams_delta_init
,
630 .init_late
= ams_delta_init_late
,
631 .init_time
= omap1_timer_init
,
632 .restart
= omap1_restart
,