25 lines
554 B
C
25 lines
554 B
C
|
|
/* FIXME driver should be able to handle all four slaves that
|
|
* can be hooked up to each chipselect, as well as IRQs...
|
|
*/
|
|
|
|
struct mcp23s08_platform_data {
|
|
/* four slaves can share one SPI chipselect */
|
|
u8 slave;
|
|
|
|
/* number assigned to the first GPIO */
|
|
unsigned base;
|
|
|
|
/* pins with pullups */
|
|
u8 pullups;
|
|
|
|
void *context; /* param to setup/teardown */
|
|
|
|
int (*setup)(struct spi_device *spi,
|
|
int gpio, unsigned ngpio,
|
|
void *context);
|
|
int (*teardown)(struct spi_device *spi,
|
|
int gpio, unsigned ngpio,
|
|
void *context);
|
|
};
|