diff options
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/pca953x.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/platform_data/pca953x.h b/include/linux/platform_data/pca953x.h new file mode 100644 index 000000000000..3c98dd4f901f --- /dev/null +++ b/include/linux/platform_data/pca953x.h | |||
| @@ -0,0 +1,30 @@ | |||
| 1 | #ifndef _LINUX_PCA953X_H | ||
| 2 | #define _LINUX_PCA953X_H | ||
| 3 | |||
| 4 | #include <linux/types.h> | ||
| 5 | #include <linux/i2c.h> | ||
| 6 | |||
| 7 | /* platform data for the PCA9539 16-bit I/O expander driver */ | ||
| 8 | |||
| 9 | struct pca953x_platform_data { | ||
| 10 | /* number of the first GPIO */ | ||
| 11 | unsigned gpio_base; | ||
| 12 | |||
| 13 | /* initial polarity inversion setting */ | ||
| 14 | u32 invert; | ||
| 15 | |||
| 16 | /* interrupt base */ | ||
| 17 | int irq_base; | ||
| 18 | |||
| 19 | void *context; /* param to setup/teardown */ | ||
| 20 | |||
| 21 | int (*setup)(struct i2c_client *client, | ||
| 22 | unsigned gpio, unsigned ngpio, | ||
| 23 | void *context); | ||
| 24 | int (*teardown)(struct i2c_client *client, | ||
| 25 | unsigned gpio, unsigned ngpio, | ||
| 26 | void *context); | ||
| 27 | const char *const *names; | ||
| 28 | }; | ||
| 29 | |||
| 30 | #endif /* _LINUX_PCA953X_H */ | ||
