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Input: add haptic driver on max77693

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This driver to supports the haptic controller on MAX77693 Multifunction
device with PMIC, CHARGER, LED, MUIC, HAPTIC.

This driver supports external pwm and LRA (Linear Resonant Actuator) motor.
User can control the haptic device via force feedback framework.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Jaewon Kim
2014-09-11 23:15:01 -07:00
committed by Dmitry Torokhov
parent adff5962fd
commit a3b3ca753c
4 changed files with 378 additions and 0 deletions
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include/linux/mfd/max77693-private.h
+9
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@@ -251,6 +251,15 @@ enum max77693_haptic_reg {
MAX77693_HAPTIC_REG_END,
};
/* max77693-pmic LSCNFG configuraton register */
#define MAX77693_PMIC_LOW_SYS_MASK 0x80
#define MAX77693_PMIC_LOW_SYS_SHIFT 7
/* max77693-haptic configuration register */
#define MAX77693_CONFIG2_MODE 7
#define MAX77693_CONFIG2_MEN 6
#define MAX77693_CONFIG2_HTYP 5
enum max77693_irq_source {
LED_INT = 0,
TOPSYS_INT,