2009-12-12 08:16:34 +08:00
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/*
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* linux/arch/arm/mach-omap2/board-omap3touchbook.c
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*
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* Copyright (C) 2009 Always Innovating
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*
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* Modified from mach-omap2/board-omap3beagleboard.c
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*
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* Initial code: Grégoire Gentil, Tim Yamin
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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/delay.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/leds.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/gpio_keys.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/nand.h>
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2010-09-15 22:49:23 +08:00
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#include <linux/mmc/host.h>
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2009-12-12 08:16:34 +08:00
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#include <plat/mcspi.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/ads7846.h>
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#include <linux/regulator/machine.h>
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2009-12-15 22:39:02 +08:00
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#include <linux/i2c/twl.h>
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2009-12-12 08:16:34 +08:00
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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 <asm/mach/flash.h>
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#include <plat/board.h>
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#include <plat/common.h>
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#include <plat/gpmc.h>
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#include <plat/nand.h>
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#include <plat/usb.h>
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#include "mux.h"
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2010-02-16 02:03:34 +08:00
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#include "hsmmc.h"
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2010-10-09 00:58:35 +08:00
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#include "timer-gp.h"
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2011-04-25 06:09:05 +08:00
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#include "common-board-devices.h"
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2009-12-12 08:16:34 +08:00
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#include <asm/setup.h>
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#define OMAP3_AC_GPIO 136
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#define OMAP3_TS_GPIO 162
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#define TB_BL_PWM_TIMER 9
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#define TB_KILL_POWER_GPIO 168
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2010-10-09 00:56:37 +08:00
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static unsigned long touchbook_revision;
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2009-12-12 08:16:34 +08:00
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static struct mtd_partition omap3touchbook_nand_partitions[] = {
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/* All the partition sizes are listed in terms of NAND block size */
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{
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.name = "X-Loader",
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.offset = 0,
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.size = 4 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "U-Boot",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
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.size = 15 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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{
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.name = "U-Boot Env",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
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.size = 1 * NAND_BLOCK_SIZE,
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},
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{
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.name = "Kernel",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
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.size = 32 * NAND_BLOCK_SIZE,
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},
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{
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.name = "File System",
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.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
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.size = MTDPART_SIZ_FULL,
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},
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};
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#include "sdram-micron-mt46h32m32lf-6.h"
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2010-02-16 02:03:34 +08:00
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static struct omap2_hsmmc_info mmc[] = {
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2009-12-12 08:16:34 +08:00
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{
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.mmc = 1,
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2010-09-15 22:49:23 +08:00
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
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2009-12-12 08:16:34 +08:00
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.gpio_wp = 29,
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},
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{} /* Terminator */
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};
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static struct platform_device omap3_touchbook_lcd_device = {
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.name = "omap3touchbook_lcd",
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.id = -1,
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};
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static struct omap_lcd_config omap3_touchbook_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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static struct regulator_consumer_supply touchbook_vmmc1_supply = {
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.supply = "vmmc",
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};
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static struct regulator_consumer_supply touchbook_vsim_supply = {
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.supply = "vmmc_aux",
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};
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static struct gpio_led gpio_leds[];
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static int touchbook_twl_gpio_setup(struct device *dev,
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unsigned gpio, unsigned ngpio)
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{
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if (system_rev >= 0x20 && system_rev <= 0x34301000) {
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omap_mux_init_gpio(23, OMAP_PIN_INPUT);
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mmc[0].gpio_wp = 23;
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} else {
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omap_mux_init_gpio(29, OMAP_PIN_INPUT);
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}
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/* gpio + 0 is "mmc0_cd" (input/IRQ) */
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mmc[0].gpio_cd = gpio + 0;
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2010-02-16 02:03:34 +08:00
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omap2_hsmmc_init(mmc);
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2009-12-12 08:16:34 +08:00
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/* link regulators to MMC adapters */
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touchbook_vmmc1_supply.dev = mmc[0].dev;
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touchbook_vsim_supply.dev = mmc[0].dev;
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/* REVISIT: need ehci-omap hooks for external VBUS
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* power switch and overcurrent detect
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*/
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2011-05-03 23:22:09 +08:00
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gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
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2009-12-12 08:16:34 +08:00
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/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
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2011-05-03 23:22:09 +08:00
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gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
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"nEN_USB_PWR");
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2009-12-12 08:16:34 +08:00
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/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
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gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
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return 0;
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}
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static struct twl4030_gpio_platform_data touchbook_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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.use_leds = true,
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.pullups = BIT(1),
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.pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
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| BIT(15) | BIT(16) | BIT(17),
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.setup = touchbook_twl_gpio_setup,
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};
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static struct regulator_consumer_supply touchbook_vdac_supply = {
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.supply = "vdac",
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.dev = &omap3_touchbook_lcd_device.dev,
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};
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static struct regulator_consumer_supply touchbook_vdvi_supply = {
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.supply = "vdvi",
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.dev = &omap3_touchbook_lcd_device.dev,
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};
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/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
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static struct regulator_init_data touchbook_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 = 1,
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.consumer_supplies = &touchbook_vmmc1_supply,
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};
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/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
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static struct regulator_init_data touchbook_vsim = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 3000000,
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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 = 1,
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.consumer_supplies = &touchbook_vsim_supply,
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};
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/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
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static struct regulator_init_data touchbook_vdac = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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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_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &touchbook_vdac_supply,
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};
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/* VPLL2 for digital video outputs */
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static struct regulator_init_data touchbook_vpll2 = {
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.constraints = {
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.name = "VDVI",
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.min_uV = 1800000,
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.max_uV = 1800000,
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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_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &touchbook_vdvi_supply,
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};
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static struct twl4030_usb_data touchbook_usb_data = {
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.usb_mode = T2_USB_MODE_ULPI,
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};
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2011-03-02 21:24:05 +08:00
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static struct twl4030_codec_audio_data touchbook_audio_data;
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2009-12-12 08:16:34 +08:00
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static struct twl4030_codec_data touchbook_codec_data = {
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.audio_mclk = 26000000,
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.audio = &touchbook_audio_data,
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};
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static struct twl4030_platform_data touchbook_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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.usb = &touchbook_usb_data,
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.gpio = &touchbook_gpio_data,
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.codec = &touchbook_codec_data,
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.vmmc1 = &touchbook_vmmc1,
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.vsim = &touchbook_vsim,
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.vdac = &touchbook_vdac,
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.vpll2 = &touchbook_vpll2,
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};
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static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
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{
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I2C_BOARD_INFO("bq27200", 0x55),
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},
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};
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static int __init omap3_touchbook_i2c_init(void)
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{
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/* Standard TouchBook bus */
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2011-04-25 06:09:06 +08:00
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omap3_pmic_init("twl4030", &touchbook_twldata);
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2009-12-12 08:16:34 +08:00
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/* Additional TouchBook bus */
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omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
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ARRAY_SIZE(touchBook_i2c_boardinfo));
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return 0;
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}
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2011-04-25 06:09:05 +08:00
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static struct ads7846_platform_data ads7846_pdata = {
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2009-12-12 08:16:34 +08:00
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.x_min = 100,
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.y_min = 265,
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.x_max = 3950,
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.y_max = 3750,
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.x_plate_ohms = 40,
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.pressure_max = 255,
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.debounce_max = 10,
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.debounce_tol = 5,
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.debounce_rep = 1,
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.gpio_pendown = OMAP3_TS_GPIO,
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.keep_vref_on = 1,
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};
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static struct gpio_led gpio_leds[] = {
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{
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.name = "touchbook::usr0",
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.default_trigger = "heartbeat",
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.gpio = 150,
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},
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{
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.name = "touchbook::usr1",
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.default_trigger = "mmc0",
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.gpio = 149,
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},
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{
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.name = "touchbook::pmu_stat",
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.gpio = -EINVAL, /* gets replaced */
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.active_low = true,
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},
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};
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static struct gpio_led_platform_data gpio_led_info = {
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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 platform_device leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &gpio_led_info,
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},
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};
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static struct gpio_keys_button gpio_buttons[] = {
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{
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.code = BTN_EXTRA,
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.gpio = 7,
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.desc = "user",
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.wakeup = 1,
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},
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{
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.code = KEY_POWER,
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.gpio = 183,
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.desc = "power",
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.wakeup = 1,
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},
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};
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static struct gpio_keys_platform_data gpio_key_info = {
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.buttons = gpio_buttons,
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.nbuttons = ARRAY_SIZE(gpio_buttons),
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};
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static struct platform_device keys_gpio = {
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.name = "gpio-keys",
|
|
|
|
.id = -1,
|
|
|
|
.dev = {
|
|
|
|
.platform_data = &gpio_key_info,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct omap_board_config_kernel omap3_touchbook_config[] __initdata = {
|
|
|
|
{ OMAP_TAG_LCD, &omap3_touchbook_lcd_config },
|
|
|
|
};
|
|
|
|
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
|
2011-02-15 07:40:20 +08:00
|
|
|
static void __init omap3_touchbook_init_early(void)
|
2009-12-12 08:16:34 +08:00
|
|
|
{
|
OMAP2+: io: split omap2_init_common_hw()
Split omap2_init_common_hw() into two functions. The first,
omap2_init_common_infrastructure(), initializes the hwmod code and
data, the OMAP PM code, and the clock code and data. The second,
omap2_init_common_devices(), handles any other early device
initialization that, for whatever reason, has not been or cannot be
moved to initcalls or early platform devices.
This patch is required for the hwmod postsetup patch, which allows
board files to change the state that hwmods should be placed into at
the conclusion of the hwmod _setup() function. For example, for a
board whose creators wish to ensure watchdog coverage across the
entire kernel boot process, code to change the watchdog's postsetup
state will be added in the board-*.c file between the
omap2_init_common_infrastructure() and omap2_init_common_devices() function
calls.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
2010-12-22 06:25:10 +08:00
|
|
|
omap2_init_common_infrastructure();
|
|
|
|
omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
|
|
|
|
mt46h32m32lf6_sdrc_params);
|
2011-02-15 07:40:20 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void __init omap3_touchbook_init_irq(void)
|
|
|
|
{
|
2009-12-12 08:16:34 +08:00
|
|
|
omap_init_irq();
|
|
|
|
#ifdef CONFIG_OMAP_32K_TIMER
|
|
|
|
omap2_gp_clockevent_set_gptimer(12);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct platform_device *omap3_touchbook_devices[] __initdata = {
|
|
|
|
&omap3_touchbook_lcd_device,
|
|
|
|
&leds_gpio,
|
|
|
|
&keys_gpio,
|
|
|
|
};
|
|
|
|
|
2011-03-01 22:38:16 +08:00
|
|
|
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
|
2009-12-12 08:16:34 +08:00
|
|
|
|
2011-03-01 22:38:16 +08:00
|
|
|
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
|
|
|
|
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
|
|
|
|
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
|
2009-12-12 08:16:34 +08:00
|
|
|
|
|
|
|
.phy_reset = true,
|
|
|
|
.reset_gpio_port[0] = -EINVAL,
|
|
|
|
.reset_gpio_port[1] = 147,
|
|
|
|
.reset_gpio_port[2] = -EINVAL
|
|
|
|
};
|
|
|
|
|
|
|
|
static void omap3_touchbook_poweroff(void)
|
|
|
|
{
|
2011-05-03 23:22:09 +08:00
|
|
|
int pwr_off = TB_KILL_POWER_GPIO;
|
2009-12-12 08:16:34 +08:00
|
|
|
|
2011-05-03 23:22:09 +08:00
|
|
|
if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
|
2009-12-12 08:16:34 +08:00
|
|
|
printk(KERN_ERR "Unable to get kill power GPIO\n");
|
|
|
|
}
|
|
|
|
|
2010-03-10 06:59:48 +08:00
|
|
|
static int __init early_touchbook_revision(char *p)
|
2009-12-12 08:16:34 +08:00
|
|
|
{
|
2010-03-10 06:59:48 +08:00
|
|
|
if (!p)
|
|
|
|
return 0;
|
2009-12-12 08:16:34 +08:00
|
|
|
|
2010-03-10 06:59:48 +08:00
|
|
|
return strict_strtoul(p, 10, &touchbook_revision);
|
2009-12-12 08:16:34 +08:00
|
|
|
}
|
2010-03-10 06:59:48 +08:00
|
|
|
early_param("tbr", early_touchbook_revision);
|
2009-12-12 08:16:34 +08:00
|
|
|
|
|
|
|
static void __init omap3_touchbook_init(void)
|
|
|
|
{
|
2011-02-25 02:02:49 +08:00
|
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
2011-02-25 06:36:03 +08:00
|
|
|
omap_board_config = omap3_touchbook_config;
|
|
|
|
omap_board_config_size = ARRAY_SIZE(omap3_touchbook_config);
|
|
|
|
|
2009-12-12 08:16:34 +08:00
|
|
|
pm_power_off = omap3_touchbook_poweroff;
|
|
|
|
|
|
|
|
omap3_touchbook_i2c_init();
|
|
|
|
platform_add_devices(omap3_touchbook_devices,
|
|
|
|
ARRAY_SIZE(omap3_touchbook_devices));
|
|
|
|
omap_serial_init();
|
|
|
|
|
|
|
|
omap_mux_init_gpio(170, OMAP_PIN_INPUT);
|
|
|
|
/* REVISIT leave DVI powered down until it's needed ... */
|
2011-05-03 23:22:09 +08:00
|
|
|
gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
|
2009-12-12 08:16:34 +08:00
|
|
|
|
|
|
|
/* Touchscreen and accelerometer */
|
2011-04-25 06:09:05 +08:00
|
|
|
omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
|
2011-04-27 16:56:12 +08:00
|
|
|
usb_musb_init(NULL);
|
2011-03-01 22:38:19 +08:00
|
|
|
usbhs_init(&usbhs_bdata);
|
2011-04-25 06:09:07 +08:00
|
|
|
omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
|
|
|
|
ARRAY_SIZE(omap3touchbook_nand_partitions));
|
2009-12-12 08:16:34 +08:00
|
|
|
|
|
|
|
/* Ensure SDRC pins are mux'd for self-refresh */
|
|
|
|
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
|
|
|
|
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
|
|
|
|
}
|
|
|
|
|
|
|
|
MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
|
|
|
|
/* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
|
|
|
|
.boot_params = 0x80000100,
|
2010-05-23 17:18:16 +08:00
|
|
|
.reserve = omap_reserve,
|
2011-02-15 07:40:20 +08:00
|
|
|
.map_io = omap3_map_io,
|
|
|
|
.init_early = omap3_touchbook_init_early,
|
2009-12-12 08:16:34 +08:00
|
|
|
.init_irq = omap3_touchbook_init_irq,
|
|
|
|
.init_machine = omap3_touchbook_init,
|
|
|
|
.timer = &omap_timer,
|
|
|
|
MACHINE_END
|