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/*
* linux/arch/arm/mach-omap2/board-omap3touchbook.c
*
* Copyright (C) 2009 Always Innovating
*
* Modified from mach-omap2/board-omap3beagleboard.c
*
* Initial code: Grégoire Gentil, Tim Yamin
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/mmc/host.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <asm/system_info.h>
#include "common.h"
#include "gpmc.h"
#include <linux/platform_data/mtd-nand-omap2.h>
#include <plat/usb.h>
#include "mux.h"
#include "hsmmc.h"
#include "board-flash.h"
#include "common-board-devices.h"
#include <asm/setup.h>
#define OMAP3_AC_GPIO 136
#define OMAP3_TS_GPIO 162
#define TB_BL_PWM_TIMER 9
#define TB_KILL_POWER_GPIO 168
#define NAND_CS 0
static unsigned long touchbook_revision;
static struct mtd_partition omap3touchbook_nand_partitions[] = {
/* All the partition sizes are listed in terms of NAND block size */
{
.name = "X-Loader",
.offset = 0,
.size = 4 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "U-Boot",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
.size = 15 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "U-Boot Env",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
.size = 1 * NAND_BLOCK_SIZE,
},
{
.name = "Kernel",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
.size = 32 * NAND_BLOCK_SIZE,
},
{
.name = "File System",
.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
.size = MTDPART_SIZ_FULL,
},
};
#include "sdram-micron-mt46h32m32lf-6.h"
static struct omap2_hsmmc_info mmc[] = {
{
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
.gpio_wp = 29,
.deferred = true,
},
{} /* Terminator */
};
static struct regulator_consumer_supply touchbook_vmmc1_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
static struct regulator_consumer_supply touchbook_vsim_supply[] = {
REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};
static struct gpio_led gpio_leds[];
static int touchbook_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
mmc[0].gpio_cd = gpio + 0;
omap_hsmmc_late_init(mmc);
/* REVISIT: need ehci-omap hooks for external VBUS
* power switch and overcurrent detect
*/
gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
"nEN_USB_PWR");
/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
return 0;
}
static struct twl4030_gpio_platform_data touchbook_gpio_data = {
.use_leds = true,
.pullups = BIT(1),
.pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
| BIT(15) | BIT(16) | BIT(17),
.setup = touchbook_twl_gpio_setup,
};
static struct regulator_consumer_supply touchbook_vdac_supply[] = {
{
.supply = "vdac",
},
};
static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
{
.supply = "vdvi",
},
};
/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data touchbook_vmmc1 = {
.constraints = {
.min_uV = 1850000,
.max_uV = 3150000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply),
.consumer_supplies = touchbook_vmmc1_supply,
};
/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data touchbook_vsim = {
.constraints = {
.min_uV = 1800000,
.max_uV = 3000000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply),
.consumer_supplies = touchbook_vsim_supply,
};
static struct twl4030_platform_data touchbook_twldata = {
/* platform_data for children goes here */
.gpio = &touchbook_gpio_data,
.vmmc1 = &touchbook_vmmc1,
.vsim = &touchbook_vsim,
};
static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("bq27200", 0x55),
},
};
static int __init omap3_touchbook_i2c_init(void)
{
/* Standard TouchBook bus */
omap3_pmic_get_config(&touchbook_twldata,
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
touchbook_twldata.vdac->num_consumer_supplies =
ARRAY_SIZE(touchbook_vdac_supply);
touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply;
touchbook_twldata.vpll2->constraints.name = "VDVI";
touchbook_twldata.vpll2->num_consumer_supplies =
ARRAY_SIZE(touchbook_vdvi_supply);
touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply;
omap3_pmic_init("twl4030", &touchbook_twldata);
/* Additional TouchBook bus */
omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
ARRAY_SIZE(touchBook_i2c_boardinfo));
return 0;
}
static struct ads7846_platform_data ads7846_pdata = {
.x_min = 100,
.y_min = 265,
.x_max = 3950,
.y_max = 3750,
.x_plate_ohms = 40,
.pressure_max = 255,
.debounce_max = 10,
.debounce_tol = 5,
.debounce_rep = 1,
.gpio_pendown = OMAP3_TS_GPIO,
.keep_vref_on = 1,
};
static struct gpio_led gpio_leds[] = {
{
.name = "touchbook::usr0",
.default_trigger = "heartbeat",
.gpio = 150,
},
{
.name = "touchbook::usr1",
.default_trigger = "mmc0",
.gpio = 149,
},
{
.name = "touchbook::pmu_stat",
.gpio = -EINVAL, /* gets replaced */
.active_low = true,
},
};
static struct gpio_led_platform_data gpio_led_info = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct platform_device leds_gpio = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &gpio_led_info,
},
};
static struct gpio_keys_button gpio_buttons[] = {
{
.code = BTN_EXTRA,
.gpio = 7,
.desc = "user",
.wakeup = 1,
},
{
.code = KEY_POWER,
.gpio = 183,
.desc = "power",
.wakeup = 1,
},
};
static struct gpio_keys_platform_data gpio_key_info = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
static struct platform_device keys_gpio = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &gpio_key_info,
},
};
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static struct platform_device *omap3_touchbook_devices[] __initdata =<
|