634 lines
15 KiB
C
634 lines
15 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-ams-delta.c
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*
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* Modified from board-generic.c
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*
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* Board specific inits for the Amstrad E3 (codename Delta) videophone
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*
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* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/basic_mmio_gpio.h>
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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#include <linux/serial_8250.h>
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#include <linux/export.h>
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#include <linux/omapfb.h>
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#include <linux/io.h>
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#include <linux/platform_data/gpio-omap.h>
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#include <media/soc_camera.h>
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#include <asm/serial.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/board-ams-delta.h>
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#include <linux/platform_data/keypad-omap.h>
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#include <mach/mux.h>
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#include <mach/hardware.h>
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#include <mach/ams-delta-fiq.h>
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#include <mach/camera.h>
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#include <mach/usb.h>
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#include "iomap.h"
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#include "common.h"
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static const unsigned int ams_delta_keymap[] = {
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KEY(0, 0, KEY_F1), /* Advert */
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KEY(0, 3, KEY_COFFEE), /* Games */
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KEY(0, 2, KEY_QUESTION), /* Directory */
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KEY(2, 3, KEY_CONNECT), /* Internet */
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KEY(1, 2, KEY_SHOP), /* Services */
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KEY(1, 1, KEY_PHONE), /* VoiceMail */
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KEY(0, 1, KEY_DELETE), /* Delete */
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KEY(2, 2, KEY_PLAY), /* Play */
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KEY(1, 0, KEY_PAGEUP), /* Up */
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KEY(1, 3, KEY_PAGEDOWN), /* Down */
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KEY(2, 0, KEY_EMAIL), /* ReadEmail */
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KEY(2, 1, KEY_STOP), /* Stop */
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/* Numeric keypad portion */
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KEY(0, 7, KEY_KP1),
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KEY(0, 6, KEY_KP2),
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KEY(0, 5, KEY_KP3),
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KEY(1, 7, KEY_KP4),
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KEY(1, 6, KEY_KP5),
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KEY(1, 5, KEY_KP6),
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KEY(2, 7, KEY_KP7),
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KEY(2, 6, KEY_KP8),
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KEY(2, 5, KEY_KP9),
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KEY(3, 6, KEY_KP0),
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KEY(3, 7, KEY_KPASTERISK),
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KEY(3, 5, KEY_KPDOT), /* # key */
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KEY(7, 2, KEY_NUMLOCK), /* Mute */
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KEY(7, 1, KEY_KPMINUS), /* Recall */
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KEY(6, 1, KEY_KPPLUS), /* Redial */
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KEY(7, 6, KEY_KPSLASH), /* Handsfree */
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KEY(6, 0, KEY_ENTER), /* Video */
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KEY(7, 4, KEY_CAMERA), /* Photo */
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KEY(0, 4, KEY_F2), /* Home */
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KEY(1, 4, KEY_F3), /* Office */
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KEY(2, 4, KEY_F4), /* Mobile */
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KEY(7, 7, KEY_F5), /* SMS */
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KEY(7, 5, KEY_F6), /* Email */
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/* QWERTY portion of keypad */
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KEY(3, 4, KEY_Q),
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KEY(3, 3, KEY_W),
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KEY(3, 2, KEY_E),
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KEY(3, 1, KEY_R),
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KEY(3, 0, KEY_T),
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KEY(4, 7, KEY_Y),
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KEY(4, 6, KEY_U),
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KEY(4, 5, KEY_I),
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KEY(4, 4, KEY_O),
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KEY(4, 3, KEY_P),
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KEY(4, 2, KEY_A),
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KEY(4, 1, KEY_S),
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KEY(4, 0, KEY_D),
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KEY(5, 7, KEY_F),
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KEY(5, 6, KEY_G),
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KEY(5, 5, KEY_H),
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KEY(5, 4, KEY_J),
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KEY(5, 3, KEY_K),
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KEY(5, 2, KEY_L),
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KEY(5, 1, KEY_Z),
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KEY(5, 0, KEY_X),
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KEY(6, 7, KEY_C),
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KEY(6, 6, KEY_V),
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KEY(6, 5, KEY_B),
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KEY(6, 4, KEY_N),
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KEY(6, 3, KEY_M),
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KEY(6, 2, KEY_SPACE),
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KEY(7, 0, KEY_LEFTSHIFT), /* Vol up */
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KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
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};
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#define LATCH1_PHYS 0x01000000
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#define LATCH1_VIRT 0xEA000000
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#define MODEM_PHYS 0x04000000
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#define MODEM_VIRT 0xEB000000
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#define LATCH2_PHYS 0x08000000
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#define LATCH2_VIRT 0xEC000000
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static struct map_desc ams_delta_io_desc[] __initdata = {
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/* AMS_DELTA_LATCH1 */
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{
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.virtual = LATCH1_VIRT,
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.pfn = __phys_to_pfn(LATCH1_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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/* AMS_DELTA_LATCH2 */
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{
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.virtual = LATCH2_VIRT,
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.pfn = __phys_to_pfn(LATCH2_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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/* AMS_DELTA_MODEM */
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{
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.virtual = MODEM_VIRT,
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.pfn = __phys_to_pfn(MODEM_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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}
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};
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static struct omap_lcd_config ams_delta_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct omap_usb_config ams_delta_usb_config __initdata = {
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.register_host = 1,
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.hmc_mode = 16,
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.pins[0] = 2,
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};
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#define LATCH1_GPIO_BASE 232
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#define LATCH1_NGPIO 8
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static struct resource latch1_resources[] = {
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[0] = {
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.name = "dat",
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.start = LATCH1_PHYS,
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.end = LATCH1_PHYS + (LATCH1_NGPIO - 1) / 8,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct bgpio_pdata latch1_pdata = {
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.base = LATCH1_GPIO_BASE,
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.ngpio = LATCH1_NGPIO,
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};
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static struct platform_device latch1_gpio_device = {
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.name = "basic-mmio-gpio",
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.id = 0,
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.resource = latch1_resources,
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.num_resources = ARRAY_SIZE(latch1_resources),
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.dev = {
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.platform_data = &latch1_pdata,
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},
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};
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static struct resource latch2_resources[] = {
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[0] = {
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.name = "dat",
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.start = LATCH2_PHYS,
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.end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct bgpio_pdata latch2_pdata = {
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.base = AMS_DELTA_LATCH2_GPIO_BASE,
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.ngpio = AMS_DELTA_LATCH2_NGPIO,
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};
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static struct platform_device latch2_gpio_device = {
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.name = "basic-mmio-gpio",
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.id = 1,
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.resource = latch2_resources,
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.num_resources = ARRAY_SIZE(latch2_resources),
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.dev = {
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.platform_data = &latch2_pdata,
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},
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};
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static const struct gpio latch_gpios[] __initconst = {
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{
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.gpio = LATCH1_GPIO_BASE + 6,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "dockit1",
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},
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{
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.gpio = LATCH1_GPIO_BASE + 7,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "dockit2",
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},
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{
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.gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "scard_rstin",
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},
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{
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.gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "scard_cmdvcc",
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},
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{
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.gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "modem_codec",
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},
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{
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.gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "hookflash1",
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},
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{
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.gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
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.flags = GPIOF_OUT_INIT_LOW,
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.label = "hookflash2",
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},
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};
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static struct regulator_consumer_supply modem_nreset_consumers[] = {
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REGULATOR_SUPPLY("RESET#", "serial8250.1"),
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REGULATOR_SUPPLY("POR", "cx20442-codec"),
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};
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static struct regulator_init_data modem_nreset_data = {
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.constraints = {
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(modem_nreset_consumers),
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.consumer_supplies = modem_nreset_consumers,
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};
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static struct fixed_voltage_config modem_nreset_config = {
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.supply_name = "modem_nreset",
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.microvolts = 3300000,
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.gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
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.startup_delay = 25000,
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.enable_high = 1,
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.enabled_at_boot = 1,
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.init_data = &modem_nreset_data,
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};
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static struct platform_device modem_nreset_device = {
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.name = "reg-fixed-voltage",
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.id = -1,
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.dev = {
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.platform_data = &modem_nreset_config,
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},
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};
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struct modem_private_data {
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struct regulator *regulator;
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};
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static struct modem_private_data modem_priv;
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void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
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{
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int bit = 0;
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u16 bitpos = 1 << bit;
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for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
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if (!(mask & bitpos))
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continue;
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else
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gpio_set_value(base + bit, (value & bitpos) != 0);
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}
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}
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EXPORT_SYMBOL(ams_delta_latch_write);
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static struct resource ams_delta_nand_resources[] = {
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[0] = {
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.start = OMAP1_MPUIO_BASE,
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.end = OMAP1_MPUIO_BASE +
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OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device ams_delta_nand_device = {
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.name = "ams-delta-nand",
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.id = -1,
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.num_resources = ARRAY_SIZE(ams_delta_nand_resources),
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.resource = ams_delta_nand_resources,
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};
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static struct resource ams_delta_kp_resources[] = {
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[0] = {
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.start = INT_KEYBOARD,
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.end = INT_KEYBOARD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static const struct matrix_keymap_data ams_delta_keymap_data = {
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.keymap = ams_delta_keymap,
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.keymap_size = ARRAY_SIZE(ams_delta_keymap),
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};
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static struct omap_kp_platform_data ams_delta_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap_data = &ams_delta_keymap_data,
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.delay = 9,
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};
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static struct platform_device ams_delta_kp_device = {
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.name = "omap-keypad",
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.id = -1,
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.dev = {
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.platform_data = &ams_delta_kp_data,
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},
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.num_resources = ARRAY_SIZE(ams_delta_kp_resources),
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.resource = ams_delta_kp_resources,
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};
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static struct platform_device ams_delta_lcd_device = {
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.name = "lcd_ams_delta",
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.id = -1,
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};
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static const struct gpio_led gpio_leds[] __initconst = {
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{
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.name = "camera",
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.gpio = LATCH1_GPIO_BASE + 0,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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#ifdef CONFIG_LEDS_TRIGGERS
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.default_trigger = "ams_delta_camera",
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#endif
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},
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{
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.name = "advert",
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.gpio = LATCH1_GPIO_BASE + 1,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "email",
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.gpio = LATCH1_GPIO_BASE + 2,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "handsfree",
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.gpio = LATCH1_GPIO_BASE + 3,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "voicemail",
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.gpio = LATCH1_GPIO_BASE + 4,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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{
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.name = "voice",
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.gpio = LATCH1_GPIO_BASE + 5,
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.default_state = LEDS_GPIO_DEFSTATE_OFF,
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},
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};
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static const struct gpio_led_platform_data leds_pdata __initconst = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct i2c_board_info ams_delta_camera_board_info[] = {
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{
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I2C_BOARD_INFO("ov6650", 0x60),
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},
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};
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#ifdef CONFIG_LEDS_TRIGGERS
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DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
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static int ams_delta_camera_power(struct device *dev, int power)
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{
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/*
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* turn on camera LED
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*/
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if (power)
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led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
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else
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led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
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return 0;
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}
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#else
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#define ams_delta_camera_power NULL
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#endif
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static struct soc_camera_link ams_delta_iclink = {
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.bus_id = 0, /* OMAP1 SoC camera bus */
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.i2c_adapter_id = 1,
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.board_info = &ams_delta_camera_board_info[0],
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.module_name = "ov6650",
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.power = ams_delta_camera_power,
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};
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static struct platform_device ams_delta_camera_device = {
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.name = "soc-camera-pdrv",
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.id = 0,
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.dev = {
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.platform_data = &ams_delta_iclink,
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},
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};
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static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
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.camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
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.lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
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};
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static struct platform_device ams_delta_audio_device = {
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.name = "ams-delta-audio",
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.id = -1,
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};
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static struct platform_device cx20442_codec_device = {
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.name = "cx20442-codec",
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.id = -1,
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};
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static struct platform_device *ams_delta_devices[] __initdata = {
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&latch1_gpio_device,
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&latch2_gpio_device,
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&ams_delta_kp_device,
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&ams_delta_camera_device,
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&ams_delta_audio_device,
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};
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static struct platform_device *late_devices[] __initdata = {
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&ams_delta_nand_device,
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&ams_delta_lcd_device,
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&cx20442_codec_device,
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};
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static void __init ams_delta_init(void)
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{
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/* mux pins for uarts */
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omap_cfg_reg(UART1_TX);
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omap_cfg_reg(UART1_RTS);
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/* parallel camera interface */
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omap_cfg_reg(H19_1610_CAM_EXCLK);
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omap_cfg_reg(J15_1610_CAM_LCLK);
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omap_cfg_reg(L18_1610_CAM_VS);
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omap_cfg_reg(L15_1610_CAM_HS);
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omap_cfg_reg(L19_1610_CAM_D0);
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omap_cfg_reg(K14_1610_CAM_D1);
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omap_cfg_reg(K15_1610_CAM_D2);
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omap_cfg_reg(K19_1610_CAM_D3);
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omap_cfg_reg(K18_1610_CAM_D4);
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omap_cfg_reg(J14_1610_CAM_D5);
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omap_cfg_reg(J19_1610_CAM_D6);
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omap_cfg_reg(J18_1610_CAM_D7);
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omap_serial_init();
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omap_register_i2c_bus(1, 100, NULL, 0);
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omap1_usb_init(&ams_delta_usb_config);
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omap1_set_camera_info(&ams_delta_camera_platform_data);
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#ifdef CONFIG_LEDS_TRIGGERS
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led_trigger_register_simple("ams_delta_camera",
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|
&ams_delta_camera_led_trigger);
|
|
#endif
|
|
gpio_led_register_device(-1, &leds_pdata);
|
|
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
|
|
|
|
ams_delta_init_fiq();
|
|
|
|
omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
|
|
|
|
omapfb_set_lcd_config(&ams_delta_lcd_config);
|
|
}
|
|
|
|
static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
|
|
{
|
|
struct modem_private_data *priv = port->private_data;
|
|
|
|
if (IS_ERR(priv->regulator))
|
|
return;
|
|
|
|
if (state == old)
|
|
return;
|
|
|
|
if (state == 0)
|
|
regulator_enable(priv->regulator);
|
|
else if (old == 0)
|
|
regulator_disable(priv->regulator);
|
|
}
|
|
|
|
static struct plat_serial8250_port ams_delta_modem_ports[] = {
|
|
{
|
|
.membase = IOMEM(MODEM_VIRT),
|
|
.mapbase = MODEM_PHYS,
|
|
.irq = -EINVAL, /* changed later */
|
|
.flags = UPF_BOOT_AUTOCONF,
|
|
.irqflags = IRQF_TRIGGER_RISING,
|
|
.iotype = UPIO_MEM,
|
|
.regshift = 1,
|
|
.uartclk = BASE_BAUD * 16,
|
|
.pm = modem_pm,
|
|
.private_data = &modem_priv,
|
|
},
|
|
{ },
|
|
};
|
|
|
|
static struct platform_device ams_delta_modem_device = {
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM1,
|
|
.dev = {
|
|
.platform_data = ams_delta_modem_ports,
|
|
},
|
|
};
|
|
|
|
static int __init late_init(void)
|
|
{
|
|
int err;
|
|
|
|
if (!machine_is_ams_delta())
|
|
return -ENODEV;
|
|
|
|
err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
|
|
if (err) {
|
|
pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
|
|
return err;
|
|
}
|
|
|
|
platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
|
|
|
|
err = platform_device_register(&modem_nreset_device);
|
|
if (err) {
|
|
pr_err("Couldn't register the modem regulator device\n");
|
|
return err;
|
|
}
|
|
|
|
omap_cfg_reg(M14_1510_GPIO2);
|
|
ams_delta_modem_ports[0].irq =
|
|
gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
|
|
|
|
err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
|
|
if (err) {
|
|
pr_err("Couldn't request gpio pin for modem\n");
|
|
return err;
|
|
}
|
|
gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
|
|
|
|
/* Initialize the modem_nreset regulator consumer before use */
|
|
modem_priv.regulator = ERR_PTR(-ENODEV);
|
|
|
|
ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC,
|
|
AMS_DELTA_LATCH2_MODEM_CODEC);
|
|
|
|
err = platform_device_register(&ams_delta_modem_device);
|
|
if (err)
|
|
goto gpio_free;
|
|
|
|
/*
|
|
* Once the modem device is registered, the modem_nreset
|
|
* regulator can be requested on behalf of that device.
|
|
*/
|
|
modem_priv.regulator = regulator_get(&ams_delta_modem_device.dev,
|
|
"RESET#");
|
|
if (IS_ERR(modem_priv.regulator)) {
|
|
err = PTR_ERR(modem_priv.regulator);
|
|
goto unregister;
|
|
}
|
|
return 0;
|
|
|
|
unregister:
|
|
platform_device_unregister(&ams_delta_modem_device);
|
|
gpio_free:
|
|
gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
|
|
return err;
|
|
}
|
|
|
|
static void __init ams_delta_init_late(void)
|
|
{
|
|
omap1_init_late();
|
|
late_init();
|
|
}
|
|
|
|
static void __init ams_delta_map_io(void)
|
|
{
|
|
omap15xx_map_io();
|
|
iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
|
|
}
|
|
|
|
MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
|
|
/* Maintainer: Jonathan McDowell <noodles@earth.li> */
|
|
.atag_offset = 0x100,
|
|
.map_io = ams_delta_map_io,
|
|
.init_early = omap1_init_early,
|
|
.init_irq = omap1_init_irq,
|
|
.init_machine = ams_delta_init,
|
|
.init_late = ams_delta_init_late,
|
|
.init_time = omap1_timer_init,
|
|
.restart = omap1_restart,
|
|
MACHINE_END
|