diff options
| author | Eric Miao <[email protected]> | 2008-07-25 01:46:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2008-07-25 10:53:30 -0700 |
| commit | bbcd6d543de335bf81e96477f46a60a8bf51039c (patch) | |
| tree | 86d592bfa308407ce357184ff9494e7d36939c6b /include/linux | |
| parent | 7444a72effa632fcd8edc566f880d96fe213c73b (diff) | |
gpio: max732x driver
This adds a driver supporting a family of I2C port expanders from Maxim,
which includes the MAX7319 and MAX7320-7327 chips.
[[email protected]: minor fixes]
Signed-off-by: Jack Ren <[email protected]>
Signed-off-by: Eric Miao <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/i2c/max732x.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/i2c/max732x.h b/include/linux/i2c/max732x.h new file mode 100644 index 000000000000..e10336631c62 --- /dev/null +++ b/include/linux/i2c/max732x.h @@ -0,0 +1,19 @@ +#ifndef __LINUX_I2C_MAX732X_H +#define __LINUX_I2C_MAX732X_H + +/* platform data for the MAX732x 8/16-bit I/O expander driver */ + +struct max732x_platform_data { + /* number of the first GPIO */ + unsigned gpio_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); +}; +#endif /* __LINUX_I2C_MAX732X_H */ |