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blackfin: soft-i2c: No need to define blackfin specific soft i2c operations

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Use default GPIO operations.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Sonic Zhang 2013-11-18 18:59:18 +08:00
parent 7a58eb9686
commit e5cb60a033
1 changed files with 2 additions and 27 deletions
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29
include/configs/bf533-stamp.h
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@ -80,33 +80,8 @@
/* /*
* Software (bit-bang) I2C driver configuration * Software (bit-bang) I2C driver configuration
*/ */
#define PF_SCL PF3 #define CONFIG_SOFT_I2C_GPIO_SCL GPIO_PF3
#define PF_SDA PF2 #define CONFIG_SOFT_I2C_GPIO_SDA GPIO_PF2
#define I2C_INIT (*pFIO_DIR |= PF_SCL); asm("ssync;")
#define I2C_ACTIVE (*pFIO_DIR |= PF_SDA); \
*pFIO_INEN &= ~PF_SDA; asm("ssync;")
#define I2C_TRISTATE (*pFIO_DIR &= ~PF_SDA); \
*pFIO_INEN |= PF_SDA; asm("ssync;")
#define I2C_READ ((volatile)(*pFIO_FLAG_D & PF_SDA) != 0); \
asm("ssync;")
#define I2C_SDA(bit) if (bit) { \
*pFIO_FLAG_S = PF_SDA; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SDA; \
asm("ssync;"); \
}
#define I2C_SCL(bit) if (bit) { \
*pFIO_FLAG_S = PF_SCL; \
asm("ssync;"); \
} \
else { \
*pFIO_FLAG_C = PF_SCL; \
asm("ssync;"); \
}
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
/* /*
* Flash Settings * Flash Settings