713f25cec6
With the commit 7579025130 (regulator:
Factor out voltage set operation into a separate function) fixed voltage
regulator setup will fail if there are voltage constraints defined. This
made MMC unusable on this board. Fix by just deleting those redundant
constraints.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Reviewed-by: Jarkko Nikula <jhnikula@gmail.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
185 lines
4.3 KiB
C
185 lines
4.3 KiB
C
/*
|
|
* Board support file for Nokia RM-680.
|
|
*
|
|
* Copyright (C) 2010 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/io.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/init.h>
|
|
#include <linux/i2c/twl.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/regulator/fixed.h>
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <plat/i2c.h>
|
|
#include <plat/mmc.h>
|
|
#include <plat/usb.h>
|
|
#include <plat/gpmc.h>
|
|
#include <plat/common.h>
|
|
#include <plat/onenand.h>
|
|
|
|
#include "mux.h"
|
|
#include "hsmmc.h"
|
|
#include "sdram-nokia.h"
|
|
|
|
static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
|
|
REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1"),
|
|
};
|
|
|
|
/* Fixed regulator for internal eMMC */
|
|
static struct regulator_init_data rm680_vemmc = {
|
|
.constraints = {
|
|
.name = "rm680_vemmc",
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS
|
|
| REGULATOR_CHANGE_MODE,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers),
|
|
.consumer_supplies = rm680_vemmc_consumers,
|
|
};
|
|
|
|
static struct fixed_voltage_config rm680_vemmc_config = {
|
|
.supply_name = "VEMMC",
|
|
.microvolts = 2900000,
|
|
.gpio = 157,
|
|
.startup_delay = 150,
|
|
.enable_high = 1,
|
|
.init_data = &rm680_vemmc,
|
|
};
|
|
|
|
static struct platform_device rm680_vemmc_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.dev = {
|
|
.platform_data = &rm680_vemmc_config,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *rm680_peripherals_devices[] __initdata = {
|
|
&rm680_vemmc_device,
|
|
};
|
|
|
|
/* TWL */
|
|
static struct twl4030_gpio_platform_data rm680_gpio_data = {
|
|
.gpio_base = OMAP_MAX_GPIO_LINES,
|
|
.irq_base = TWL4030_GPIO_IRQ_BASE,
|
|
.irq_end = TWL4030_GPIO_IRQ_END,
|
|
.pullups = BIT(0),
|
|
.pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15),
|
|
};
|
|
|
|
static struct twl4030_usb_data rm680_usb_data = {
|
|
.usb_mode = T2_USB_MODE_ULPI,
|
|
};
|
|
|
|
static struct twl4030_platform_data rm680_twl_data = {
|
|
.irq_base = TWL4030_IRQ_BASE,
|
|
.irq_end = TWL4030_IRQ_END,
|
|
.gpio = &rm680_gpio_data,
|
|
.usb = &rm680_usb_data,
|
|
/* add rest of the children here */
|
|
};
|
|
|
|
static struct i2c_board_info __initdata rm680_twl_i2c_board_info[] = {
|
|
{
|
|
I2C_BOARD_INFO("twl5031", 0x48),
|
|
.flags = I2C_CLIENT_WAKE,
|
|
.irq = INT_34XX_SYS_NIRQ,
|
|
.platform_data = &rm680_twl_data,
|
|
},
|
|
};
|
|
|
|
static void __init rm680_i2c_init(void)
|
|
{
|
|
omap_register_i2c_bus(1, 2900, rm680_twl_i2c_board_info,
|
|
ARRAY_SIZE(rm680_twl_i2c_board_info));
|
|
omap_register_i2c_bus(2, 400, NULL, 0);
|
|
omap_register_i2c_bus(3, 400, NULL, 0);
|
|
}
|
|
|
|
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
|
|
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
|
|
static struct omap_onenand_platform_data board_onenand_data[] = {
|
|
{
|
|
.gpio_irq = 65,
|
|
.flags = ONENAND_SYNC_READWRITE,
|
|
}
|
|
};
|
|
#endif
|
|
|
|
/* eMMC */
|
|
static struct omap2_hsmmc_info mmc[] __initdata = {
|
|
{
|
|
.name = "internal",
|
|
.mmc = 2,
|
|
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
|
|
.gpio_cd = -EINVAL,
|
|
.gpio_wp = -EINVAL,
|
|
},
|
|
{ /* Terminator */ }
|
|
};
|
|
|
|
static void __init rm680_peripherals_init(void)
|
|
{
|
|
platform_add_devices(rm680_peripherals_devices,
|
|
ARRAY_SIZE(rm680_peripherals_devices));
|
|
rm680_i2c_init();
|
|
gpmc_onenand_init(board_onenand_data);
|
|
omap2_hsmmc_init(mmc);
|
|
}
|
|
|
|
static void __init rm680_init_irq(void)
|
|
{
|
|
struct omap_sdrc_params *sdrc_params;
|
|
|
|
omap2_init_common_infrastructure();
|
|
sdrc_params = nokia_get_sdram_timings();
|
|
omap2_init_common_devices(sdrc_params, sdrc_params);
|
|
omap_init_irq();
|
|
}
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
};
|
|
#endif
|
|
|
|
static struct omap_musb_board_data rm680_musb_data = {
|
|
.interface_type = MUSB_INTERFACE_ULPI,
|
|
.mode = MUSB_PERIPHERAL,
|
|
.power = 100,
|
|
};
|
|
|
|
static void __init rm680_init(void)
|
|
{
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
|
omap_serial_init();
|
|
usb_musb_init(&rm680_musb_data);
|
|
rm680_peripherals_init();
|
|
}
|
|
|
|
static void __init rm680_map_io(void)
|
|
{
|
|
omap2_set_globals_3xxx();
|
|
omap34xx_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
|
|
.boot_params = 0x80000100,
|
|
.map_io = rm680_map_io,
|
|
.reserve = omap_reserve,
|
|
.init_irq = rm680_init_irq,
|
|
.init_machine = rm680_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|