41 lines
829 B
C
41 lines
829 B
C
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#ifndef _I2C_GPIO_H
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#define _I2C_GPIO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct i2c_gpio_platform_data {
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int devid;
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unsigned int sda_pin;
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unsigned int scl_pin;
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int udelay;
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int timeout;
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unsigned int sda_is_open_drain:1;
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unsigned int scl_is_open_drain:1;
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unsigned int scl_is_output_only:1;
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};
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struct i2c_algo_bit_data {
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void *data; /* private data for lowlevel routines */
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void (*setsda) (void *data, int state);
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void (*setscl) (void *data, int state);
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int (*getsda) (void *data);
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int (*getscl) (void *data);
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/* local settings */
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int udelay; /* half clock cycle time in us,
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minimum 2 us for fast-mode I2C,
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minimum 5 us for standard-mode I2C and SMBus,
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maximum 50 us for SMBus */
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int timeout; /* in jiffies */
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};
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void i2c_gpio_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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