driver:i2c:s3c24x0: adapt driver to new i2c

This patch adapts the s3c24x0 driver to the new i2c framework.
Config file is modified for all the boards that use the driver.

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Minkyu Kang <mk7.kang@samsung.com>
CC: Heiko Schocher <hs@denx.de>
CC: Inderpal Singh <inderpal.singh@linaro.org>
CC: David Müller <d.mueller@elsoft.ch>
CC: Chander Kashyap <k.chander@samsung.com>
CC: Lukasz Majewski <l.majewski@samsung.com>
Tested-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
This commit is contained in:
Piotr Wilczek 2013-11-20 10:43:49 +01:00 committed by Heiko Schocher
parent f44483b57c
commit 2d8f1e2769
10 changed files with 169 additions and 120 deletions

View file

@ -150,8 +150,6 @@ int power_init_board(void)
set_ps_hold_ctrl();
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
if (pmic_init(I2C_PMIC))
return -1;

View file

@ -57,15 +57,18 @@ int board_init(void)
void i2c_init_board(void)
{
struct exynos4_gpio_part1 *gpio1 =
(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
int err;
struct exynos4_gpio_part2 *gpio2 =
(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
/* I2C_5 -> PMIC -> Adapter 0 */
s5p_gpio_direction_output(&gpio1->b, 7, 1);
s5p_gpio_direction_output(&gpio1->b, 6, 1);
/* I2C_9 -> FG -> Adapter 1 */
/* I2C_5 -> PMIC */
err = exynos_pinmux_config(PERIPH_ID_I2C5, PINMUX_FLAG_NONE);
if (err) {
debug("I2C%d not configured\n", (I2C_5));
return;
}
/* I2C_8 -> FG */
s5p_gpio_direction_output(&gpio2->y4, 0, 1);
s5p_gpio_direction_output(&gpio2->y4, 1, 1);
}
@ -290,10 +293,10 @@ int power_init_board(void)
* The FUEL_GAUGE is marked as I2C9 on the schematic, but connected
* to logical I2C adapter 1
*/
ret = pmic_init(I2C_0);
ret = pmic_init(I2C_5);
ret |= pmic_init_max8997();
ret |= power_fg_init(I2C_1);
ret |= power_muic_init(I2C_0);
ret |= power_fg_init(I2C_8);
ret |= power_muic_init(I2C_5);
ret |= power_bat_init(0);
if (ret)
return ret;

View file

@ -115,12 +115,17 @@ static void board_external_gpio_init(void)
#ifdef CONFIG_SYS_I2C_INIT_BOARD
static void board_init_i2c(void)
{
int err;
gpio1 = (struct exynos4x12_gpio_part1 *)EXYNOS4X12_GPIO_PART1_BASE;
gpio2 = (struct exynos4x12_gpio_part2 *)EXYNOS4X12_GPIO_PART2_BASE;
/* I2C_7 */
s5p_gpio_direction_output(&gpio1->d0, 2, 1);
s5p_gpio_direction_output(&gpio1->d0, 3, 1);
err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE);
if (err) {
debug("I2C%d not configured\n", (I2C_7));
return;
}
/* I2C_8 */
s5p_gpio_direction_output(&gpio1->f1, 4, 1);
@ -132,6 +137,24 @@ static void board_init_i2c(void)
}
#endif
#ifdef CONFIG_SYS_I2C_SOFT
int get_soft_i2c_scl_pin(void)
{
if (I2C_ADAP_HWNR)
return exynos4x12_gpio_part2_get_nr(m2, 1); /* I2C9 */
else
return exynos4x12_gpio_part1_get_nr(f1, 4); /* I2C8 */
}
int get_soft_i2c_sda_pin(void)
{
if (I2C_ADAP_HWNR)
return exynos4x12_gpio_part2_get_nr(m2, 0); /* I2C9 */
else
return exynos4x12_gpio_part1_get_nr(f1, 5); /* I2C8 */
}
#endif
int board_early_init_f(void)
{
check_hw_revision();
@ -167,11 +190,11 @@ int power_init_board(void)
#ifdef CONFIG_SYS_I2C_INIT_BOARD
board_init_i2c();
#endif
pmic_init(I2C_0); /* I2C adapter 0 - bus name I2C_5 */
pmic_init(I2C_7); /* I2C adapter 7 - bus name s3c24x0_7 */
pmic_init_max77686();
pmic_init_max77693(I2C_2); /* I2C adapter 2 - bus name I2C_10 */
power_muic_init(I2C_2); /* I2C adapter 2 - bus name I2C_10 */
power_fg_init(I2C_1); /* I2C adapter 1 - bus name I2C_9 */
pmic_init_max77693(I2C_9); /* I2C adapter 9 - bus name soft1 */
power_muic_init(I2C_9); /* I2C adapter 9 - bus name soft1 */
power_fg_init(I2C_8); /* I2C adapter 8 - bus name soft0 */
power_bat_init(0);
p_chrg = pmic_get("MAX77693_PMIC");

View file

@ -12,7 +12,6 @@ obj-$(CONFIG_I2C_MVTWSI) += mvtwsi.o
obj-$(CONFIG_I2C_MV) += mv_i2c.o
obj-$(CONFIG_I2C_MXS) += mxs_i2c.o
obj-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o
obj-$(CONFIG_DRIVER_S3C24X0_I2C) += s3c24x0_i2c.o
obj-$(CONFIG_TSI108_I2C) += tsi108_i2c.o
obj-$(CONFIG_U8500_I2C) += u8500_i2c.o
obj-$(CONFIG_SH_SH7734_I2C) += sh_sh7734_i2c.o
@ -24,6 +23,7 @@ obj-$(CONFIG_SYS_I2C_OMAP24XX) += omap24xx_i2c.o
obj-$(CONFIG_SYS_I2C_OMAP34XX) += omap24xx_i2c.o
obj-$(CONFIG_SYS_I2C_PPC4XX) += ppc4xx_i2c.o
obj-$(CONFIG_SYS_I2C_RCAR) += rcar_i2c.o
obj-$(CONFIG_SYS_I2C_S3C24X0) += s3c24x0_i2c.o
obj-$(CONFIG_SYS_I2C_SH) += sh_i2c.o
obj-$(CONFIG_SYS_I2C_SOFT) += soft_i2c.o
obj-$(CONFIG_SYS_I2C_TEGRA) += tegra_i2c.o

View file

@ -23,8 +23,6 @@
#include <i2c.h>
#include "s3c24x0_i2c.h"
#ifdef CONFIG_HARD_I2C
#define I2C_WRITE 0
#define I2C_READ 1
@ -127,7 +125,6 @@
* For SPL boot some boards need i2c before SDRAM is initialised so force
* variables to live in SRAM
*/
static unsigned int g_current_bus __attribute__((section(".data")));
static struct s3c24x0_i2c_bus i2c_bus[CONFIG_MAX_I2C_NUM]
__attribute__((section(".data")));
@ -254,17 +251,17 @@ static void ReadWriteByte(struct s3c24x0_i2c *i2c)
writel(readl(&i2c->iiccon) & ~I2CCON_IRPND, &i2c->iiccon);
}
static struct s3c24x0_i2c *get_base_i2c(void)
static struct s3c24x0_i2c *get_base_i2c(int bus)
{
#ifdef CONFIG_EXYNOS4
struct s3c24x0_i2c *i2c = (struct s3c24x0_i2c *)(samsung_get_base_i2c()
+ (EXYNOS4_I2C_SPACING
* g_current_bus));
* bus));
return i2c;
#elif defined CONFIG_EXYNOS5
struct s3c24x0_i2c *i2c = (struct s3c24x0_i2c *)(samsung_get_base_i2c()
+ (EXYNOS5_I2C_SPACING
* g_current_bus));
* bus));
return i2c;
#else
return s3c24x0_get_base_i2c();
@ -298,7 +295,6 @@ static void i2c_ch_init(struct s3c24x0_i2c *i2c, int speed, int slaveadd)
writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->iicstat);
}
#ifdef CONFIG_I2C_MULTI_BUS
static int hsi2c_get_clk_details(struct s3c24x0_i2c_bus *i2c_bus)
{
struct exynos5_hsi2c *hsregs = i2c_bus->hsregs;
@ -330,7 +326,6 @@ static int hsi2c_get_clk_details(struct s3c24x0_i2c_bus *i2c_bus)
}
return -1;
}
#endif
static void hsi2c_ch_init(struct s3c24x0_i2c_bus *i2c_bus)
{
@ -401,49 +396,18 @@ static void exynos5_i2c_reset(struct s3c24x0_i2c_bus *i2c_bus)
hsi2c_ch_init(i2c_bus);
}
/*
* MULTI BUS I2C support
*/
#ifdef CONFIG_I2C_MULTI_BUS
int i2c_set_bus_num(unsigned int bus)
{
struct s3c24x0_i2c_bus *i2c_bus;
i2c_bus = get_bus(bus);
if (!i2c_bus)
return -1;
g_current_bus = bus;
if (i2c_bus->is_highspeed) {
if (hsi2c_get_clk_details(i2c_bus))
return -1;
hsi2c_ch_init(i2c_bus);
} else {
i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency,
CONFIG_SYS_I2C_SLAVE);
}
return 0;
}
unsigned int i2c_get_bus_num(void)
{
return g_current_bus;
}
#endif
void i2c_init(int speed, int slaveadd)
static void s3c24x0_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)
{
struct s3c24x0_i2c *i2c;
struct s3c24x0_i2c_bus *bus;
#if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5)
struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
#endif
ulong start_time = get_timer(0);
/* By default i2c channel 0 is the current bus */
g_current_bus = 0;
i2c = get_base_i2c();
i2c = get_base_i2c(adap->hwadapnr);
/*
* In case the previous transfer is still going, wait to give it a
@ -505,6 +469,10 @@ void i2c_init(int speed, int slaveadd)
}
#endif /* #if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) */
i2c_ch_init(i2c, speed, slaveadd);
bus = &i2c_bus[adap->hwadapnr];
bus->active = true;
bus->regs = i2c;
}
/*
@ -728,6 +696,29 @@ static int hsi2c_read(struct exynos5_hsi2c *i2c,
return rv;
}
static unsigned int s3c24x0_i2c_set_bus_speed(struct i2c_adapter *adap,
unsigned int speed)
{
struct s3c24x0_i2c_bus *i2c_bus;
i2c_bus = get_bus(adap->hwadapnr);
if (!i2c_bus)
return -1;
i2c_bus->clock_frequency = speed;
if (i2c_bus->is_highspeed) {
if (hsi2c_get_clk_details(i2c_bus))
return -1;
hsi2c_ch_init(i2c_bus);
} else {
i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency,
CONFIG_SYS_I2C_S3C24X0_SLAVE);
}
return 0;
}
/*
* cmd_type is 0 for write, 1 for read.
*
@ -840,13 +831,13 @@ bailout:
return result;
}
int i2c_probe(uchar chip)
static int s3c24x0_i2c_probe(struct i2c_adapter *adap, uchar chip)
{
struct s3c24x0_i2c_bus *i2c_bus;
uchar buf[1];
int ret;
i2c_bus = get_bus(g_current_bus);
i2c_bus = get_bus(adap->hwadapnr);
if (!i2c_bus)
return -1;
buf[0] = 0;
@ -864,11 +855,11 @@ int i2c_probe(uchar chip)
I2C_READ, chip << 1, 0, 0, buf, 1);
}
return ret != I2C_OK;
}
int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
static int s3c24x0_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr,
int alen, uchar *buffer, int len)
{
struct s3c24x0_i2c_bus *i2c_bus;
uchar xaddr[4];
@ -902,7 +893,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
chip |= ((addr >> (alen * 8)) &
CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
#endif
i2c_bus = get_bus(g_current_bus);
i2c_bus = get_bus(adap->hwadapnr);
if (!i2c_bus)
return -1;
@ -922,7 +913,8 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
return 0;
}
int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
static int s3c24x0_i2c_write(struct i2c_adapter *adap, uchar chip, uint addr,
int alen, uchar *buffer, int len)
{
struct s3c24x0_i2c_bus *i2c_bus;
uchar xaddr[4];
@ -955,7 +947,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
chip |= ((addr >> (alen * 8)) &
CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
#endif
i2c_bus = get_bus(g_current_bus);
i2c_bus = get_bus(adap->hwadapnr);
if (!i2c_bus)
return -1;
@ -1001,8 +993,8 @@ static void process_nodes(const void *blob, int node_list[], int count,
bus->id = pinmux_decode_periph_id(blob, node);
bus->clock_frequency = fdtdec_get_int(blob, node,
"clock-frequency",
CONFIG_SYS_I2C_SPEED);
"clock-frequency",
CONFIG_SYS_I2C_S3C24X0_SPEED);
bus->node = node;
bus->bus_num = i;
exynos_pinmux_config(bus->id, 0);
@ -1044,7 +1036,6 @@ int i2c_get_bus_num_fdt(int node)
return -1;
}
#ifdef CONFIG_I2C_MULTI_BUS
int i2c_reset_port_fdt(const void *blob, int node)
{
struct s3c24x0_i2c_bus *i2c_bus;
@ -1068,12 +1059,61 @@ int i2c_reset_port_fdt(const void *blob, int node)
hsi2c_ch_init(i2c_bus);
} else {
i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency,
CONFIG_SYS_I2C_SLAVE);
CONFIG_SYS_I2C_S3C24X0_SLAVE);
}
return 0;
}
#endif
#endif
#endif /* CONFIG_HARD_I2C */
/*
* Register s3c24x0 i2c adapters
*/
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_0, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
0)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_1, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
1)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_2, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
2)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_3, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
3)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_4, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
4)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_5, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
5)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_6, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
6)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_7, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
7)

View file

@ -73,12 +73,12 @@
* the MPL VCMA9 is equipped with an ATMEL 24C256 EEPROM at
* address 0x50 with 16bit addressing
*/
#define CONFIG_HARD_I2C /* I2C with hardware support */
#define CONFIG_SYS_I2C_SPEED 100000 /* I2C speed */
#define CONFIG_SYS_I2C_SLAVE 0x7F /* I2C slave addr */
#define CONFIG_SYS_I2C
/* we use the built-in I2C controller */
#define CONFIG_DRIVER_S3C24X0_I2C
#define CONFIG_SYS_I2C_S3C24X0
#define CONFIG_SYS_I2C_S3C24X0_SPEED 100000 /* I2C speed */
#define CONFIG_SYS_I2C_S3C24X0_SLAVE 0x7F /* I2C slave addr */
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2

View file

@ -214,13 +214,12 @@
/* I2C */
#define CONFIG_SYS_I2C_INIT_BOARD
#define CONFIG_HARD_I2C
#define CONFIG_SYS_I2C
#define CONFIG_CMD_I2C
#define CONFIG_SYS_I2C_SPEED 100000 /* 100 Kbps */
#define CONFIG_DRIVER_S3C24X0_I2C
#define CONFIG_I2C_MULTI_BUS
#define CONFIG_SYS_I2C_S3C24X0_SPEED 100000 /* 100 Kbps */
#define CONFIG_SYS_I2C_S3C24X0
#define CONFIG_MAX_I2C_NUM 8
#define CONFIG_SYS_I2C_SLAVE 0x0
#define CONFIG_SYS_I2C_S3C24X0_SLAVE 0x0
#define CONFIG_I2C_EDID
/* PMIC */

View file

@ -249,13 +249,13 @@
/* I2C */
#define CONFIG_SYS_I2C_INIT_BOARD
#define CONFIG_HARD_I2C
#define CONFIG_SYS_I2C
#define CONFIG_CMD_I2C
#define CONFIG_SYS_I2C_SPEED 100000 /* 100 Kbps */
#define CONFIG_DRIVER_S3C24X0_I2C
#define CONFIG_SYS_I2C_S3C24X0_SPEED 100000 /* 100 Kbps */
#define CONFIG_SYS_I2C_S3C24X0
#define CONFIG_I2C_MULTI_BUS
#define CONFIG_MAX_I2C_NUM 8
#define CONFIG_SYS_I2C_SLAVE 0x0
#define CONFIG_SYS_I2C_S3C24X0_SLAVE 0x0
#define CONFIG_I2C_EDID
/* PMIC */

View file

@ -16,6 +16,7 @@
*/
#define CONFIG_SAMSUNG /* in a SAMSUNG core */
#define CONFIG_S5P /* which is in a S5P Family */
#define CONFIG_EXYNOS4 /* which is in a EXYNOS4XXX */
#define CONFIG_EXYNOS4210 /* which is in a EXYNOS4210 */
#define CONFIG_TRATS /* working with TRATS */
#define CONFIG_TIZEN /* TIZEN lib */
@ -268,31 +269,21 @@
#define CONFIG_SYS_CACHELINE_SIZE 32
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_S3C24X0
#define CONFIG_SYS_I2C_S3C24X0_SPEED 100000
#define CONFIG_SYS_I2C_S3C24X0_SLAVE 0xFE
#define CONFIG_MAX_I2C_NUM 8
#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
#define CONFIG_SYS_I2C_SOFT_SPEED 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
#define I2C_SOFT_DECLARATIONS2
#define CONFIG_SYS_I2C_SOFT_SPEED_2 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE_2 0x7F
#define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
#define CONFIG_SOFT_I2C_READ_REPEATED_START
#define CONFIG_SYS_I2C_INIT_BOARD
#define CONFIG_I2C_MULTI_BUS
#define CONFIG_SOFT_I2C_MULTI_BUS
#define CONFIG_SYS_MAX_I2C_BUS 15
#include <asm/arch/gpio.h>
/* I2C PMIC */
#define CONFIG_SOFT_I2C_I2C5_SCL exynos4_gpio_part1_get_nr(b, 7)
#define CONFIG_SOFT_I2C_I2C5_SDA exynos4_gpio_part1_get_nr(b, 6)
/* I2C FG */
#define CONFIG_SOFT_I2C_I2C9_SCL exynos4_gpio_part2_get_nr(y4, 1)
#define CONFIG_SOFT_I2C_I2C9_SDA exynos4_gpio_part2_get_nr(y4, 0)
#define CONFIG_SOFT_I2C_GPIO_SCL get_multi_scl_pin()
#define CONFIG_SOFT_I2C_GPIO_SDA get_multi_sda_pin()
#define I2C_INIT multi_i2c_init()
#define CONFIG_SOFT_I2C_GPIO_SCL exynos4_gpio_part2_get_nr(y4, 1)
#define CONFIG_SOFT_I2C_GPIO_SDA exynos4_gpio_part2_get_nr(y4, 0)
#define CONFIG_POWER
#define CONFIG_POWER_I2C

View file

@ -260,30 +260,25 @@
#include <asm/arch/gpio.h>
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
#define CONFIG_SYS_I2C_S3C24X0
#define CONFIG_SYS_I2C_S3C24X0_SPEED 100000
#define CONFIG_SYS_I2C_S3C24X0_SLAVE 0
#define CONFIG_MAX_I2C_NUM 8
#define CONFIG_SYS_I2C_SOFT
#define CONFIG_SYS_I2C_SOFT_SPEED 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE 0x00
#define I2C_SOFT_DECLARATIONS2
#define CONFIG_SYS_I2C_SOFT_SPEED_2 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE_2 0x00
#define I2C_SOFT_DECLARATIONS3
#define CONFIG_SYS_I2C_SOFT_SPEED_3 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE_3 0x00
#define CONFIG_SOFT_I2C_READ_REPEATED_START
#define CONFIG_SYS_I2C_INIT_BOARD
#define CONFIG_I2C_MULTI_BUS
#define CONFIG_SOFT_I2C_MULTI_BUS
#define CONFIG_SYS_MAX_I2C_BUS 15
#define CONFIG_SOFT_I2C_I2C5_SCL exynos4x12_gpio_part1_get_nr(d0, 3)
#define CONFIG_SOFT_I2C_I2C5_SDA exynos4x12_gpio_part1_get_nr(d0, 2)
#define CONFIG_SOFT_I2C_I2C9_SCL exynos4x12_gpio_part1_get_nr(f1, 4)
#define CONFIG_SOFT_I2C_I2C9_SDA exynos4x12_gpio_part1_get_nr(f1, 5)
#define CONFIG_SOFT_I2C_I2C10_SCL exynos4x12_gpio_part2_get_nr(m2, 1)
#define CONFIG_SOFT_I2C_I2C10_SDA exynos4x12_gpio_part2_get_nr(m2, 0)
#define CONFIG_SOFT_I2C_GPIO_SCL get_multi_scl_pin()
#define CONFIG_SOFT_I2C_GPIO_SDA get_multi_sda_pin()
#define I2C_INIT multi_i2c_init()
#ifndef __ASSEMBLY__
int get_soft_i2c_scl_pin(void);
int get_soft_i2c_sda_pin(void);
#endif
#define CONFIG_SOFT_I2C_GPIO_SCL get_soft_i2c_scl_pin()
#define CONFIG_SOFT_I2C_GPIO_SDA get_soft_i2c_sda_pin()
/* POWER */
#define CONFIG_POWER