diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/spi/mcp23s08.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h new file mode 100644 index 000000000000..835ddf47d45c --- /dev/null +++ b/include/linux/spi/mcp23s08.h | |||
@@ -0,0 +1,24 @@ | |||
1 | |||
2 | /* FIXME driver should be able to handle all four slaves that | ||
3 | * can be hooked up to each chipselect, as well as IRQs... | ||
4 | */ | ||
5 | |||
6 | struct mcp23s08_platform_data { | ||
7 | /* four slaves can share one SPI chipselect */ | ||
8 | u8 slave; | ||
9 | |||
10 | /* number assigned to the first GPIO */ | ||
11 | unsigned base; | ||
12 | |||
13 | /* pins with pullups */ | ||
14 | u8 pullups; | ||
15 | |||
16 | void *context; /* param to setup/teardown */ | ||
17 | |||
18 | int (*setup)(struct spi_device *spi, | ||
19 | int gpio, unsigned ngpio, | ||
20 | void *context); | ||
21 | int (*teardown)(struct spi_device *spi, | ||
22 | int gpio, unsigned ngpio, | ||
23 | void *context); | ||
24 | }; | ||