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| author | Łukasz Majewski <l.majewski@samsung.com> | 2012-09-04 23:15:21 +0000 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2012-09-17 09:40:18 +0200 |
| commit | fd8dca83ed4b9d960d3b9a0450da12bb32f512f8 (patch) | |
| tree | e67244717ffaa827ee336f8fc4b5e713984e5226 | |
| parent | 7ca8f73a0ad9176e6e45190a3490bbeb3d80e018 (diff) | |
| download | u-boot-imx-fd8dca83ed4b9d960d3b9a0450da12bb32f512f8.zip u-boot-imx-fd8dca83ed4b9d960d3b9a0450da12bb32f512f8.tar.gz u-boot-imx-fd8dca83ed4b9d960d3b9a0450da12bb32f512f8.tar.bz2 | |
i2c:soft:multi: Enable soft I2C multibus at Trats development board
This commit enables multibus handling at Samsung's Trats development board.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Acked-by: Heiko Schocher <hs@denx.de>
| -rw-r--r-- | board/samsung/trats/trats.c | 15 | ||||
| -rw-r--r-- | include/configs/trats.h | 24 |
2 files changed, 32 insertions, 7 deletions
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c index 4f9cb5a..e11a892 100644 --- a/board/samsung/trats/trats.c +++ b/board/samsung/trats/trats.c @@ -75,6 +75,21 @@ int board_init(void) return 0; } +void i2c_init_board(void) +{ + struct exynos4_gpio_part1 *gpio1 = + (struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); + struct exynos4_gpio_part2 *gpio2 = + (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); + + /* I2C_5 -> PMIC */ + s5p_gpio_direction_output(&gpio1->b, 7, 1); + s5p_gpio_direction_output(&gpio1->b, 6, 1); + /* I2C_9 -> FG */ + s5p_gpio_direction_output(&gpio2->y4, 0, 1); + s5p_gpio_direction_output(&gpio2->y4, 1, 1); +} + int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) + diff --git a/include/configs/trats.h b/include/configs/trats.h index f8da9c01..66ef377 100644 --- a/include/configs/trats.h +++ b/include/configs/trats.h @@ -211,18 +211,28 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE) #define CONFIG_SYS_CACHELINE_SIZE 32 -#include <asm/arch/gpio.h> -/* - * I2C Settings - */ -#define CONFIG_SOFT_I2C_GPIO_SCL exynos4_gpio_part1_get_nr(b, 7) -#define CONFIG_SOFT_I2C_GPIO_SDA exynos4_gpio_part1_get_nr(b, 6) #define CONFIG_SOFT_I2C #define CONFIG_SOFT_I2C_READ_REPEATED_START +#define CONFIG_SYS_I2C_INIT_BOARD #define CONFIG_SYS_I2C_SPEED 50000 #define CONFIG_I2C_MULTI_BUS -#define CONFIG_SYS_MAX_I2C_BUS 7 +#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_PMIC #define CONFIG_PMIC_I2C |