| #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 */ |
| uint16_t 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); |
| char **names; |
| }; |
| |
| #endif /* _LINUX_PCA953X_H */ |