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Diffstat (limited to 'include/linux/mfd/ds1wm.h')
-rw-r--r--include/linux/mfd/ds1wm.h29
1 files changed, 22 insertions, 7 deletions
diff --git a/include/linux/mfd/ds1wm.h b/include/linux/mfd/ds1wm.h
index 38a372a0e285..2227c6a75d84 100644
--- a/include/linux/mfd/ds1wm.h
+++ b/include/linux/mfd/ds1wm.h
@@ -1,13 +1,28 @@
-/* MFD cell driver data for the DS1WM driver */
+/* MFD cell driver data for the DS1WM driver
+ *
+ * to be defined in the MFD device that is
+ * using this driver for one of his sub devices
+ */
struct ds1wm_driver_data {
int active_high;
int clock_rate;
- /* in milliseconds, the amount of time to */
- /* sleep following a reset pulse. Zero */
- /* should work if your bus devices recover*/
- /* time respects the 1-wire spec since the*/
- /* ds1wm implements the precise timings of*/
- /* a reset pulse/presence detect sequence.*/
+ /* in milliseconds, the amount of time to
+ * sleep following a reset pulse. Zero
+ * should work if your bus devices recover
+ * time respects the 1-wire spec since the
+ * ds1wm implements the precise timings of
+ * a reset pulse/presence detect sequence.
+ */
unsigned int reset_recover_delay;
+
+ /* Say 1 here for big endian Hardware
+ * (only relevant with bus-shift > 0
+ */
+ bool is_hw_big_endian;
+
+ /* left shift of register number to get register address offsett.
+ * Only 0,1,2 allowed for 8,16 or 32 bit bus width respectively
+ */
+ unsigned int bus_shift;
};