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-rw-r--r--include/linux/spi/mcp23s08.h24
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
6struct 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};