Driver for the Maxim DS1WM, a 1-wire bus master ASIC core

Cc: Matt Reimer <mreimer@vpop.net>

[akpm@linux-foundation.org: kconfig update]
Signed-off-by: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/ds1wm.h b/include/linux/ds1wm.h
new file mode 100644
index 000000000000..31f6e3c427fb
--- /dev/null
+++ b/include/linux/ds1wm.h
@@ -0,0 +1,11 @@
+/* platform data for the DS1WM driver */
+
+struct ds1wm_platform_data {
+        int bus_shift;      /* number of shifts needed to calculate the
+                             * offset between DS1WM registers;
+                             * e.g. on h5xxx and h2200 this is 2
+                             * (registers aligned to 4-byte boundaries),
+                             * while on hx4700 this is 1 */
+        void (*enable)(struct platform_device *pdev);
+        void (*disable)(struct platform_device *pdev);
+};