| eric miao | 9e60fdc | 2008-02-04 22:28:26 -0800 | [diff] [blame] | 1 | /* platform data for the PCA9539 16-bit I/O expander driver */ |
| 2 | |
| Guennadi Liakhovetski | f3dc363 | 2008-02-06 01:39:03 -0800 | [diff] [blame] | 3 | struct pca953x_platform_data { |
| eric miao | 9e60fdc | 2008-02-04 22:28:26 -0800 | [diff] [blame] | 4 | /* number of the first GPIO */ |
| 5 | unsigned gpio_base; |
| 6 | |
| 7 | /* initial polarity inversion setting */ |
| 8 | uint16_t invert; |
| 9 | |
| 10 | void *context; /* param to setup/teardown */ |
| 11 | |
| 12 | int (*setup)(struct i2c_client *client, |
| 13 | unsigned gpio, unsigned ngpio, |
| 14 | void *context); |
| 15 | int (*teardown)(struct i2c_client *client, |
| 16 | unsigned gpio, unsigned ngpio, |
| 17 | void *context); |
| 18 | }; |