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Commit 02b09703 authored by Chanwoo Choi's avatar Chanwoo Choi Committed by Samuel Ortiz
Browse files

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: default avatarDonggeun Kim <dg77.kim@samsung.com>
Signed-off-by: default avatarMyungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 618dd15d

include/linux/mfd/max8997.h

+52 −1
Original line number Diff line number Diff line
@@ -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;