forked from Minki/linux
bbd707acee
Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Tony Lindgren <tony@atomide.com>
310 lines
7.3 KiB
C
310 lines
7.3 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-2430sdp.c
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*
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* Copyright (C) 2006 Texas Instruments
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*
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* Modified from mach-omap2/board-generic.c
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*
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* Initial Code : Based on a patch from Komal Shah and Richard Woodruff
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* Updated the Code for 2430 SDP : Syed Mohammed Khasim
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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/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mmc/host.h>
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#include <linux/delay.h>
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#include <linux/i2c/twl.h>
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#include <linux/regulator/machine.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/gpio.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/board.h>
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#include "common.h"
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#include <plat/gpmc.h>
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#include <plat/usb.h>
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#include <plat/gpmc-smc91x.h>
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#include <video/omapdss.h>
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#include <video/omap-panel-generic-dpi.h>
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#include "mux.h"
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#include "hsmmc.h"
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#include "common-board-devices.h"
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#define SDP2430_CS0_BASE 0x04000000
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#define SECONDARY_LCD_GPIO 147
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static struct mtd_partition sdp2430_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_256K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0,
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0
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},
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/* file system */
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data sdp2430_flash_data = {
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.width = 2,
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.parts = sdp2430_partitions,
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.nr_parts = ARRAY_SIZE(sdp2430_partitions),
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};
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static struct resource sdp2430_flash_resource = {
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.start = SDP2430_CS0_BASE,
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.end = SDP2430_CS0_BASE + SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device sdp2430_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &sdp2430_flash_data,
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},
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.num_resources = 1,
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.resource = &sdp2430_flash_resource,
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};
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static struct platform_device *sdp2430_devices[] __initdata = {
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&sdp2430_flash_device,
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};
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/* LCD */
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#define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91
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#define SDP2430_LCD_PANEL_ENABLE_GPIO 154
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static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
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{
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gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
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gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
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return 0;
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}
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static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
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{
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gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
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gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
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}
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static struct panel_generic_dpi_data sdp2430_panel_data = {
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.name = "nec_nl2432dr22-11b",
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.platform_enable = sdp2430_panel_enable_lcd,
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.platform_disable = sdp2430_panel_disable_lcd,
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};
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static struct omap_dss_device sdp2430_lcd_device = {
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.name = "lcd",
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.driver_name = "generic_dpi_panel",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.phy.dpi.data_lines = 16,
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.data = &sdp2430_panel_data,
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};
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static struct omap_dss_device *sdp2430_dss_devices[] = {
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&sdp2430_lcd_device,
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};
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static struct omap_dss_board_info sdp2430_dss_data = {
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.num_devices = ARRAY_SIZE(sdp2430_dss_devices),
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.devices = sdp2430_dss_devices,
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.default_device = &sdp2430_lcd_device,
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};
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static void __init sdp2430_display_init(void)
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{
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int r;
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static struct gpio gpios[] __initdata = {
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{ SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
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"LCD reset" },
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{ SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
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"LCD Backlight" },
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};
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r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
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if (r) {
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pr_err("Cannot request LCD GPIOs, error %d\n", r);
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return;
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}
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omap_display_init(&sdp2430_dss_data);
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}
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
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static struct omap_smc91x_platform_data board_smc91x_data = {
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.cs = 5,
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.gpio_irq = 149,
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.flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
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IORESOURCE_IRQ_LOWLEVEL,
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};
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static void __init board_smc91x_init(void)
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{
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omap_mux_init_gpio(149, OMAP_PIN_INPUT);
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gpmc_smc91x_init(&board_smc91x_data);
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}
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#else
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static inline void board_smc91x_init(void)
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{
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}
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#endif
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static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
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};
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/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
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static struct regulator_init_data sdp2430_vmmc1 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(sdp2430_vmmc1_supplies),
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.consumer_supplies = &sdp2430_vmmc1_supplies[0],
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};
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static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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};
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static struct twl4030_platform_data sdp2430_twldata = {
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.irq_base = TWL4030_IRQ_BASE,
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.irq_end = TWL4030_IRQ_END,
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/* platform_data for children goes here */
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.gpio = &sdp2430_gpio_data,
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.vmmc1 = &sdp2430_vmmc1,
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};
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static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
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{
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I2C_BOARD_INFO("isp1301_omap", 0x2D),
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.flags = I2C_CLIENT_WAKE,
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},
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};
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static int __init omap2430_i2c_init(void)
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{
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sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
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omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
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ARRAY_SIZE(sdp2430_i2c1_boardinfo));
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omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
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&sdp2430_twldata);
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return 0;
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}
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static struct omap2_hsmmc_info mmc[] __initdata = {
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{
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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.ext_clock = 1,
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},
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{} /* Terminator */
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};
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static struct omap_usb_config sdp2430_usb_config __initdata = {
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.otg = 1,
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#ifdef CONFIG_USB_GADGET_OMAP
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.hmc_mode = 0x0,
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#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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.hmc_mode = 0x1,
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#endif
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.pins[0] = 3,
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};
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#ifdef CONFIG_OMAP_MUX
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static struct omap_board_mux board_mux[] __initdata = {
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{ .reg_offset = OMAP_MUX_TERMINATOR },
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};
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#endif
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static void __init omap_2430sdp_init(void)
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{
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omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
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omap2430_i2c_init();
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platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
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omap_serial_init();
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omap_sdrc_init(NULL, NULL);
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omap_hsmmc_init(mmc);
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omap2_usbfs_init(&sdp2430_usb_config);
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omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
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usb_musb_init(NULL);
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board_smc91x_init();
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/* Turn off secondary LCD backlight */
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gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
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"Secondary LCD backlight");
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sdp2430_display_init();
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}
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MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
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/* Maintainer: Syed Khasim - Texas Instruments Inc */
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.atag_offset = 0x100,
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.reserve = omap_reserve,
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.map_io = omap243x_map_io,
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.init_early = omap2430_init_early,
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.init_irq = omap2_init_irq,
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.handle_irq = omap2_intc_handle_irq,
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.init_machine = omap_2430sdp_init,
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.init_late = omap2430_init_late,
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.timer = &omap2_timer,
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.restart = omap_prcm_restart,
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MACHINE_END
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