- 根目录:
- arch
- arm
- mach-exynos
- mach-smdk4x12.c
/*
* linux/arch/arm/mach-exynos4/mach-smdk4x12.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* 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/gpio.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/mfd/max8997.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/machine.h>
#include <linux/serial_core.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <plat/backlight.h>
#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/gpio-cfg.h>
#include <plat/iic.h>
#include <plat/keypad.h>
#include <plat/regs-serial.h>
#include <plat/sdhci.h>
#include <mach/map.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDK4X12_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN)
#define SMDK4X12_ULCON_DEFAULT S3C2410_LCON_CS8
#define SMDK4X12_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S5PV210_UFCON_TXTRIG4 | \
S5PV210_UFCON_RXTRIG4)
static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = SMDK4X12_UCON_DEFAULT,
.ulcon = SMDK4X12_ULCON_DEFAULT,
.ufcon = SMDK4X12_UFCON_DEFAULT,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = SMDK4X12_UCON_DEFAULT,
.ulcon = SMDK4X12_ULCON_DEFAULT,
.ufcon = SMDK4X12_UFCON_DEFAULT,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = SMDK4X12_UCON_DEFAULT,
.ulcon = SMDK4X12_ULCON_DEFAULT,
.ufcon = SMDK4X12_UFCON_DEFAULT,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = SMDK4X12_UCON_DEFAULT,
.ulcon = SMDK4X12_ULCON_DEFAULT,
.ufcon = SMDK4X12_UFCON_DEFAULT,
},
};
static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_INTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
#endif
};
static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_INTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct regulator_consumer_supply max8997_buck1 =
REGULATOR_SUPPLY("vdd_arm", NULL);
static struct regulator_consumer_supply max8997_buck2 =
REGULATOR_SUPPLY("vdd_int", NULL);
static struct regulator_consumer_supply max8997_buck3 =
REGULATOR_SUPPLY("vdd_g3d", NULL);
static struct regulator_init_data max8997_buck1_data = {
.constraints = {
.name = "VDD_ARM_SMDK4X12",
.min_uV = 925000,
.max_uV = 1350000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
.state_mem = {
.disabled = 1,
},
},
.num_consumer_supplies = 1,
.consumer_supplies = &max8997_buck1,
};
static struct regulator_init_data max8997_buck2_data = {
.constraints = {
.name = "VDD_INT_SMDK4X12",
.min_uV = 950000,
.max_uV = 1150000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
.state_mem = {
.disabled = 1,
},
},
.num_consumer_supplies = 1,
.consumer_supplies = &max8997_buck2,
};
static struct regulator_init_data max8997_buck3_data = {
.constraints = {
.name = "VDD_G3D_SMDK4X12",
.min_uV = 950000,
.max_uV = 1150000,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
REGULATOR_CHANGE_STATUS,
.state_mem = {
.disabled = 1,
},
},
.num_consumer_supplies = 1,
.consumer_supplies = &max8997_buck3,
};
static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
{ MAX8997_BUCK1, &max8997_buck1_data },
{ MAX8997_BUCK2, &max8997_buck2_data },
{ MAX8997_BUCK3, &max8997_buck3_data },
};
static struct max8997_platform_data smdk4x12_max8997_pdata = {
.num_regulators = ARRAY_SIZE(smdk4x12_max8997_regulators),
.regulators = smdk4x12_max8997_regulators,
.buck1_voltage[0] = 1100000, /* 1.1V */
.buck1_voltage[1] = 1100000, /* 1.1V */
.buck1_voltage[2] = 1100000, /* 1.1V */
.buck1_voltage[3] = 1100000, /* 1.1V */
.buck1_voltage[4] = 1100000, /* 1.1V */
.buck1_voltage[5] = 1100000, /* 1.1V */
.buck1_voltage[6] = 1000000, /* 1.0V */
.buck1_voltage[7] = 950000, /* 0.95V */
.buck2_voltage[0] = 1100000, /* 1.1V */
.buck2_voltage[1] = 1000000, /* 1.0V */
.buck2_voltage[2] = 950000, /* 0.95V */
.buck2_voltage[3] = 900000, /* 0.9V */
.buck2_voltage[4] = 1100000, /* 1.1V */
.buck2_voltage[5] = 1000000, /* 1.0V */
.buck2_voltage[6] = 950000, /* 0.95V */
.buck2_voltage[7] = 900000, /* 0.9V */
.buck5_voltage[0] = 1100000, /* 1.1V */
.buck5_voltage[1] = 1100000, /* 1.1V */
.buck5_voltage[2] = 1100000, /* 1.1V */
.buck5_voltage[3] = 1100000, /* 1.1V */
.buck5_voltage[4] = 1100000, /* 1.1V */
.buck5_voltage[5] = 1100000, /* 1.1V */
.buck5_voltage[6] = 1100000, /* 1.1V */
.buck5_voltage[7] = 1100000, /* 1.1V */
};
static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
{
I2C_BOARD_INFO("max8997", 0x66),
.platform_data = &smdk4x12_max8997_pdata,
}
};
static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
{ I2C_BOARD_INFO("wm8994", 0x1a), }
};
static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
/* nothing here yet */
};
static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
/* nothing here yet */
};
static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
.no = EXYNOS4_GPD0(1),
.func = S3C_GPIO_SFN(2),
};
static struct platform_pwm_backlight_data smdk4x12_bl_data = {
.pwm_id = 1,
.pwm_period_ns = 1000,
};
static uint32_t smdk4x12_keymap[] __initdata = {
/* KEY(row, col, keycode) */
KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),
KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)
};
static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
.keymap = smdk4x12_keymap,
.keymap_size = ARRAY_SIZE(smdk4x12_keymap),
};
static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
.keymap_data = &smdk4x12_keymap_data,
.rows = 2,
.cols = 5,
};
static struct platform_device *smdk4x12_devices[] __initdata = {
&s3c_device_hsmmc2,
&s3c_device_hsmmc3,
&s3c_device_i2c0,
&s3c_device_i2c1,
&s3c_device_i2c3,
&s3c_device_i2c7,
&s3c_device_rtc,
&s3c_device_wdt,
&samsung_device_keypad,
};
static void __init smdk4x12_map_io(void)
{
clk_xusbxti.rate = 24000000;
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(clk_xusbxti.rate);
s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
}
static void __init smdk4x12_machine_init(void)
{
s3c_i2c0_set_platdata(NULL);
i2c_register_board_info(0, smdk4x12_i2c_devs0,
ARRAY_SIZE(smdk4x12_i2c_devs0));
s3c_i2c1_set_platdata(NULL);
i2c_register_board_info(1, smdk4x12_i2c_devs1,
ARRAY_SIZE(smdk4x12_i2c_devs1));
s3c_i2c3_set_platdata(NULL);
i2c_register_board_info(3, smdk4x12_i2c_devs3,
ARRAY_SIZE(smdk4x12_i2c_devs3));
s3c_i2c7_set_platdata(NULL);
i2c_register_board_info(7, smdk4x12_i2c_devs7,
ARRAY_SIZE(smdk4x12_i2c_devs7));
samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
samsung_keypad_set_platdata(&smdk4x12_keypad_data);
s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
}
MACHINE_START(SMDK4212, "SMDK4212")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
.atag_offset = 0x100,
.init_irq = exynos4_init_irq,
.map_io = smdk4x12_map_io,
.handle_irq = gic_handle_irq,
.init_machine = smdk4x12_machine_init,
.timer = &exynos4_timer,
.restart = exynos4_restart,
MACHINE_END
MACHINE_START(SMDK4412, "SMDK4412")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
/* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
.atag_offset = 0x100,
.init_irq = exynos4_init_irq,
.map_io = smdk4x12_map_io,
.handle_irq = gic_handle_irq,
.init_machine = smdk4x12_machine_init,
.timer = &exynos4_timer,
.restart = exynos4_restart,
MACHINE_END