diff options
Diffstat (limited to 'include/linux/i2c')
| -rw-r--r-- | include/linux/i2c/pca9539.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/i2c/pca9539.h b/include/linux/i2c/pca9539.h new file mode 100644 index 000000000000..611d84ab7a30 --- /dev/null +++ b/include/linux/i2c/pca9539.h @@ -0,0 +1,18 @@ +/* platform data for the PCA9539 16-bit I/O expander driver */ + +struct pca9539_platform_data { + /* number of the first GPIO */ + unsigned gpio_base; + + /* initial polarity inversion setting */ + uint16_t invert; + + 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); +}; |