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authorJohannes Berg <johannes.berg@intel.com>2014-11-18 09:32:36 +0100
committerJohannes Berg <johannes.berg@intel.com>2014-11-18 09:32:44 +0100
commit760a52e80fdf018a9f83a499427923e18e3bd582 (patch)
treeb37743abb28d9109ce6278b8a896712e713bb25a /include/linux/spi/mcp23s08.h
parent0395442ad25853f50d515f4dc00e3475b0df920d (diff)
parent47b6308b643302e642ca2a5cb6470926f7e1c428 (diff)
downloadlwn-760a52e80fdf018a9f83a499427923e18e3bd582.tar.gz
lwn-760a52e80fdf018a9f83a499427923e18e3bd582.zip
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
This brings in some mwifiex changes that further patches will need to work on top to not cause merge conflicts. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/linux/spi/mcp23s08.h')
-rw-r--r--include/linux/spi/mcp23s08.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h
index 2d676d5aaa89..aa07d7b32568 100644
--- a/include/linux/spi/mcp23s08.h
+++ b/include/linux/spi/mcp23s08.h
@@ -22,4 +22,22 @@ struct mcp23s08_platform_data {
* base to base+15 (or base+31 for s17 variant).
*/
unsigned base;
+ /* Marks the device as a interrupt controller.
+ * NOTE: The interrupt functionality is only supported for i2c
+ * versions of the chips. The spi chips can also do the interrupts,
+ * but this is not supported by the linux driver yet.
+ */
+ bool irq_controller;
+
+ /* Sets the mirror flag in the IOCON register. Devices
+ * with two interrupt outputs (these are the devices ending with 17 and
+ * those that have 16 IOs) have two IO banks: IO 0-7 form bank 1 and
+ * IO 8-15 are bank 2. These chips have two different interrupt outputs:
+ * One for bank 1 and another for bank 2. If irq-mirror is set, both
+ * interrupts are generated regardless of the bank that an input change
+ * occurred on. If it is not set, the interrupt are only generated for
+ * the bank they belong to.
+ * On devices with only one interrupt output this property is useless.
+ */
+ bool mirror;
};