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/*
* linux/arch/arm/mach-omap2/board-rx51-flash.c
*
* Copyright (C) 2008-2009 Nokia
*
* 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/input.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/i2c/twl4030.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <mach/mcspi.h>
#include <mach/mux.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/dma.h>
#include <mach/gpmc.h>
#include <mach/keypad.h>
#include <mach/onenand.h>
#include <mach/gpmc-smc91x.h>
#include "mmc-twl4030.h"
#define SYSTEM_REV_B_USES_VAUX3 0x1699
#define SYSTEM_REV_S_USES_VAUX3 0x8
static int rx51_keymap[] = {
KEY(0, 0, KEY_Q),
KEY(0, 1, KEY_W),
KEY(0, 2, KEY_E),
KEY(0, 3, KEY_R),
KEY(0, 4, KEY_T),
KEY(0, 5, KEY_Y),
KEY(0, 6, KEY_U),
KEY(0, 7, KEY_I),
KEY(1, 0, KEY_O),
KEY(1, 1, KEY_D),
KEY(1, 2, KEY_DOT),
KEY(1, 3, KEY_V),
KEY(1, 4, KEY_DOWN),
KEY(2, 0, KEY_P),
KEY(2, 1, KEY_F),
KEY(2, 2, KEY_UP),
KEY(2, 3, KEY_B),
KEY(2, 4, KEY_RIGHT),
KEY(3, 0, KEY_COMMA),
KEY(3, 1, KEY_G),
KEY(3, 2, KEY_ENTER),
KEY(3, 3, KEY_N),
KEY(4, 0, KEY_BACKSPACE),
KEY(4, 1, KEY_H),
KEY(4, 3, KEY_M),
KEY(4, 4, KEY_LEFTCTRL),
KEY(5, 1, KEY_J),
KEY(5, 2, KEY_Z),
KEY(5, 3, KEY_SPACE),
KEY(5, 4, KEY_LEFTSHIFT),
KEY(6, 0, KEY_A),
KEY(6, 1, KEY_K),
KEY(6, 2, KEY_X),
KEY(6, 3, KEY_SPACE),
KEY(6, 4, KEY_FN),
KEY(7, 0, KEY_S),
KEY(7, 1, KEY_L),
KEY(7, 2, KEY_C),
KEY(7, 3, KEY_LEFT),
KEY(0xff, 0, KEY_F6),
KEY(0xff, 1, KEY_F7),
KEY(0xff, 2, KEY_F8),
KEY(0xff, 4, KEY_F9),
KEY(0xff, 5, KEY_F10),
};
static struct twl4030_keypad_data rx51_kp_data = {
.rows = 8,
.cols = 8,
.keymap = rx51_keymap,
.keymapsize = ARRAY_SIZE(rx51_keymap),
.rep = 1,
};
static struct twl4030_madc_platform_data rx51_madc_data = {
.irq_line = 1,
};
static struct twl4030_hsmmc_info mmc[] = {
{
.name = "external",
.mmc = 1,
.wires = 4,
.cover_only = true,
.gpio_cd = 160,
.gpio_wp = -EINVAL,
},
{
.name = "internal",
.mmc = 2,
.wires = 8,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
};
static struct regulator_consumer_supply rx51_vmmc1_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply rx51_vmmc2_supply = {
.supply = "vmmc",
};
static struct regulator_consumer_supply rx51_vsim_supply = {
.supply = "vmmc_aux",
};
static struct regulator_init_data rx51_vaux1 = {
.constraints = {
.name = "V28",
.min_uV = 2800000,
.max_uV = 2800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vaux2 = {
.constraints = {
.name = "VCSI",
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
/* VAUX3 - adds more power to VIO_18 rail */
static struct regulator_init_data rx51_vaux3_cam = {
.constraints = {
.name = "VCAM_DIG_18",
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_vaux3_mmc = {
.constraints = {
.name = "VMMC2_30",
.min_uV = 2800000,
.max_uV = 3000000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vmmc2_supply,
};
static struct regulator_init_data rx51_vaux4 = {
.constraints = {
.name = "VCAM_ANA_28",
.min_uV = 2800000,
.max_uV = 2800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static struct regulator_init_data rx51_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 = 1,
.consumer_supplies = &rx51_vmmc1_supply,
};
static struct regulator_init_data rx51_vmmc2 = {
.constraints = {
.name = "VMMC2_30",
.min_uV = 1850000,
.max_uV = 3150000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vmmc2_supply,
};
static struct regulator_init_data rx51_vsim = {
.constraints = {
.name = "VMMC2_IO_18",
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
.consumer_supplies = &rx51_vsim_supply,
};
static struct regulator_init_data rx51_vdac = {
.constraints = {
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
};
static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
{
/* FIXME this gpio setup is just a placeholder for now */
gpio_request(gpio + 6, "backlight_pwm");
gpio_direction_output(gpio + 6, 0);
gpio_request(gpio + 7, "speaker_en");
gpio_direction_output(gpio + 7, 1);
/* set up MMC adapters, linking their regulators to them */
twl4030_mmc_init(mmc);
rx51_vmmc1_supply.dev = mmc[0].dev;
rx51_vmmc2_supply.dev = mmc[1].dev;
rx51_vsim_supply.dev = mmc[1].dev;
return 0;
}
static struct twl4030_gpio_platform_data rx51_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3)
| BIT(4) | BIT(5)
| BIT(8) | BIT(9) | BIT(10) | BIT(11)
| BIT(12) | BIT(13) | BIT(14) | BIT(15)
| BIT(16) | BIT(17) ,
.setup = rx51_twlgpio_setup,
};
static struct twl4030_platform_data rx51_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &rx51_gpio_data,
.keypad = &rx51_kp_data,
.madc = &rx51_madc_data,
.vaux1 = &rx51_vaux1,
.vaux2 = &rx51_vaux2,
.vaux4 = &rx51_vaux4,
.vmmc1 = &rx51_vmmc1,
.vsim = &rx51_vsim,
.vdac = &rx51_vdac,
};
static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
{
I2C_BOARD_INFO("twl5030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &rx51_twldata,
},
};
static int __init rx51_i2c_init(void)
{
if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
system_rev >= SYSTEM_REV_B_USES_VAUX3)
rx51_twldata.vaux3 = &rx51_vaux3_mmc;
else {
rx51_twldata.vaux3 = &rx51_vaux3_cam;
rx51_twldata.vmmc2 = &rx51_vmmc2;
}
omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
omap_register_i2c_bus(2, 100, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
static struct mtd_partition onenand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = 0x20000,
.mask_flags = MTD_WRITEABLE, /* Force read-only */
},
{
.name = "config",
.offset = MTDPART_OFS_APPEND,
.size = 0x60000,
},
{
.name = "log",
.offset = MTDPART_OFS_APPEND,
.size = 0x40000,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 0x200000,
},
{
.name = "initfs",
.offset = MTDPART_OFS_APPEND,
.size = 0x200000,
},
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct omap_onenand_platform_data board_onenand_data = {
.cs = 0,
.gpio_irq = 65,
.parts = onenand_partitions,
.nr_parts = ARRAY_SIZE(onenand_partitions),
.flags = ONENAND_SYNC_READWRITE,
};
static void __init board_onenand_init(void)
{
gpmc_onenand_init(&board_onenand_data);
}
#else
static inline void board_onenand_init(void)
{
}
#endif
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
static struct omap_smc91x_platform_data board_smc91x_data = {
.cs = 1,
.gpio_irq = 54,
.gpio_pwrdwn = 86,
.gpio_reset = 164,
.flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
};
static void __init board_smc91x_init(void)
{
omap_cfg_reg(U8_34XX_GPIO54_DOWN);
omap_cfg_reg(G25_34XX_GPIO86_OUT);
omap_cfg_reg(H19_34XX_GPIO164_OUT);
gpmc_smc91x_init(&board_smc91x_data);
}
#else
static inline void board_smc91x_init(void)
{
}
#endif
void __init rx51_peripherals_init(void)
{
rx51_i2c_init();
board_onenand_init();
board_smc91x_init();
}