Input: add regulator haptic driver

This change adds support for haptic driver controlled by voltage of a
regulator. Userspace can control the device via Force Feedback interface
from input framework.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/include/linux/platform_data/regulator-haptic.h b/include/linux/platform_data/regulator-haptic.h
new file mode 100644
index 000000000000..5658e58e0738
--- /dev/null
+++ b/include/linux/platform_data/regulator-haptic.h
@@ -0,0 +1,29 @@
+/*
+ * Regulator Haptic Platform Data
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim <jaewon02.kim@samsung.com>
+ * Author: Hyunhee Kim <hyunhee.kim@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _REGULATOR_HAPTIC_H
+#define _REGULATOR_HAPTIC_H
+
+/*
+ * struct regulator_haptic_data - Platform device data
+ *
+ * @max_volt: maximum voltage value supplied to the haptic motor.
+ *              <The unit of the voltage is a micro>
+ * @min_volt: minimum voltage value supplied to the haptic motor.
+ *              <The unit of the voltage is a micro>
+ */
+struct regulator_haptic_data {
+        unsigned int max_volt;
+        unsigned int min_volt;
+};
+
+#endif /* _REGULATOR_HAPTIC_H */