#ifndef _LINUX_PCA953X_H | |
#define _LINUX_PCA953X_H | |
#include <linux/types.h> | |
#include <linux/i2c.h> | |
/* platform data for the PCA9539 16-bit I/O expander driver */ | |
struct pca953x_platform_data { | |
/* number of the first GPIO */ | |
unsigned gpio_base; | |
/* initial polarity inversion setting */ | |
u32 invert; | |
/* interrupt base */ | |
int irq_base; | |
void *context; /* param to setup/teardown */ | |
int (*setup)(struct i2c_client *client, | |
unsigned gpio, unsigned ngpio, | |
void *context); | |
int (*teardown)(struct i2c_client *client, | |
unsigned gpio, unsigned ngpio, | |
void *context); | |
const char *const *names; | |
}; | |
#endif /* _LINUX_PCA953X_H */ |