0379c1f55b
This functionality has already been implemented in the cx20442 codec
driver (commit f75a8ff67d, "ASoC: cx20442:
add bias control over a platform provided regulator"), no need to keep
it here duplicated.
Once done, remove the no longer used AMS_DELTA_LATCH2_MODEM_NRESET
symbol from the board header file and a call to the regulator_toggle()
helper function from the old API wrapper found in the board file. While
being at it, simplify the way the modem .pm callback handles the
regulator and drop that helper function and its related consumer setup
completely.
Depends on patches 1/3 and 2/3 for clean apply and keep things working.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
618 lines
14 KiB
C
618 lines
14 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 <media/soc_camera.h>
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#include <asm/serial.h>
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#include <mach/hardware.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 <plat/io.h>
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#include <plat/board-ams-delta.h>
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#include <plat/keypad.h>
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#include <plat/mux.h>
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#include <plat/usb.h>
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#include <plat/board.h>
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#include "common.h"
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#include <mach/camera.h>
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#include <mach/ams-delta-fiq.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 = {
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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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static struct omap_board_config_kernel ams_delta_config[] __initdata = {
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{ OMAP_TAG_LCD, &ams_delta_lcd_config },
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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_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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};
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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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};
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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_board_config = ams_delta_config;
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|
omap_board_config_size = ARRAY_SIZE(ams_delta_config);
|
|
omap_serial_init();
|
|
omap_register_i2c_bus(1, 100, NULL, 0);
|
|
|
|
omap1_usb_init(&ams_delta_usb_config);
|
|
omap1_set_camera_info(&ams_delta_camera_platform_data);
|
|
#ifdef CONFIG_LEDS_TRIGGERS
|
|
led_trigger_register_simple("ams_delta_camera",
|
|
&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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
late_initcall(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,
|
|
.reserve = omap_reserve,
|
|
.init_irq = omap1_init_irq,
|
|
.init_machine = ams_delta_init,
|
|
.timer = &omap1_timer,
|
|
.restart = omap1_restart,
|
|
MACHINE_END
|