diff options
| author | Chanwoo Choi <cw00.choi@samsung.com> | 2012-03-07 17:02:51 +0900 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-03-16 18:41:17 +0100 |
| commit | 02b09703e7a411f80e5ec037b3abf14061a61933 (patch) | |
| tree | e447b02707d4100233167dc1888219e8819888a3 | |
| parent | 618dd15d216915df04fe3baa93123179b1c887c5 (diff) | |
mfd: Add platform data for MAX8997 haptic driver
MAX8997 device does not support haptic function of it.
This patch adds platform data for for MAX8997 haptic driver.
Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| -rw-r--r-- | include/linux/mfd/max8997.h | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h index fff590521e5..9d8006b4a13 100644 --- a/include/linux/mfd/max8997.h +++ b/include/linux/mfd/max8997.h @@ -153,6 +153,55 @@ struct max8997_led_platform_data { u8 brightness[2]; }; +enum max8997_haptic_motor_type { + MAX8997_HAPTIC_ERM, + MAX8997_HAPTIC_LRA, +}; + +enum max8997_haptic_pulse_mode { + MAX8997_EXTERNAL_MODE, + MAX8997_INTERNAL_MODE, +}; + +enum max8997_haptic_pwm_divisor { + MAX8997_PWM_DIVISOR_32, + MAX8997_PWM_DIVISOR_64, + MAX8997_PWM_DIVISOR_128, + MAX8997_PWM_DIVISOR_256, +}; + +/* + * max8997_haptic_platform_data + * @pwm_channel_id: channel number of PWM device + * valid for MAX8997_EXTERNAL_MODE + * @pwm_period: period in nano second for PWM device + * valid for MAX8997_EXTERNAL_MODE + * @type: motor type + * @mode: pulse mode + * MAX8997_EXTERNAL_MODE: external PWM device is used to control motor + * MAX8997_INTERNAL_MODE: internal pulse generator is used to control motor + * @pwm_divisor: divisor for external PWM device + * @internal_mode_pattern: internal mode pattern for internal mode + * [0 - 3]: valid pattern number + * @pattern_cycle: the number of cycles of the waveform + * for the internal mode pattern + * [0 - 15]: available cycles + * @pattern_signal_period: period of the waveform for the internal mode pattern + * [0 - 255]: available period + */ +struct max8997_haptic_platform_data { + int pwm_channel_id; + int pwm_period; + + enum max8997_haptic_motor_type type; + enum max8997_haptic_pulse_mode mode; + enum max8997_haptic_pwm_divisor pwm_divisor; + + int internal_mode_pattern; + int pattern_cycle; + int pattern_signal_period; +}; + struct max8997_platform_data { /* IRQ */ int irq_base; @@ -192,7 +241,9 @@ struct max8997_platform_data { /* ---- MUIC ---- */ struct max8997_muic_platform_data *muic_pdata; - /* HAPTIC: Not implemented */ + /* ---- HAPTIC ---- */ + struct max8997_haptic_platform_data *haptic_pdata; + /* RTC: Not implemented */ /* ---- LED ---- */ struct max8997_led_platform_data *led_pdata; |