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kernel/linux-imx6_3.14.28/include/linux/mfd/max77686.h 2.69 KB
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  /*
   * max77686.h - Driver for the Maxim 77686
   *
   *  Copyright (C) 2012 Samsung Electrnoics
   *  Chiwoong Byun <woong.byun@samsung.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   *
   * This driver is based on max8997.h
   *
   * MAX77686 has PMIC, RTC devices.
   * The devices share the same I2C bus and included in
   * this mfd driver.
   */
  
  #ifndef __LINUX_MFD_MAX77686_H
  #define __LINUX_MFD_MAX77686_H
  
  #include <linux/regulator/consumer.h>
  
  /* MAX77686 regulator IDs */
  enum max77686_regulators {
  	MAX77686_LDO1 = 0,
  	MAX77686_LDO2,
  	MAX77686_LDO3,
  	MAX77686_LDO4,
  	MAX77686_LDO5,
  	MAX77686_LDO6,
  	MAX77686_LDO7,
  	MAX77686_LDO8,
  	MAX77686_LDO9,
  	MAX77686_LDO10,
  	MAX77686_LDO11,
  	MAX77686_LDO12,
  	MAX77686_LDO13,
  	MAX77686_LDO14,
  	MAX77686_LDO15,
  	MAX77686_LDO16,
  	MAX77686_LDO17,
  	MAX77686_LDO18,
  	MAX77686_LDO19,
  	MAX77686_LDO20,
  	MAX77686_LDO21,
  	MAX77686_LDO22,
  	MAX77686_LDO23,
  	MAX77686_LDO24,
  	MAX77686_LDO25,
  	MAX77686_LDO26,
  	MAX77686_BUCK1,
  	MAX77686_BUCK2,
  	MAX77686_BUCK3,
  	MAX77686_BUCK4,
  	MAX77686_BUCK5,
  	MAX77686_BUCK6,
  	MAX77686_BUCK7,
  	MAX77686_BUCK8,
  	MAX77686_BUCK9,
  
  	MAX77686_REG_MAX,
  };
  
  struct max77686_regulator_data {
  	int id;
  	struct regulator_init_data *initdata;
  	struct device_node *of_node;
  };
  
  enum max77686_opmode {
  	MAX77686_OPMODE_NORMAL,
  	MAX77686_OPMODE_LP,
  	MAX77686_OPMODE_STANDBY,
  };
  
  struct max77686_opmode_data {
  	int id;
  	int mode;
  };
  
  struct max77686_platform_data {
  	/* IRQ */
  	int irq_gpio;
  	int ono;
  	int wakeup;
  
  	/* ---- PMIC ---- */
  	struct max77686_regulator_data *regulators;
  	int num_regulators;
  
  	struct max77686_opmode_data *opmode_data;
  
  	/*
  	 * GPIO-DVS feature is not enabled with the current version of
  	 * MAX77686 driver. Buck2/3/4_voltages[0] is used as the default
  	 * voltage at probe. DVS/SELB gpios are set as OUTPUT-LOW.
  	 */
  	int buck234_gpio_dvs[3]; /* GPIO of [0]DVS1, [1]DVS2, [2]DVS3 */
  	int buck234_gpio_selb[3]; /* [0]SELB2, [1]SELB3, [2]SELB4 */
  	unsigned int buck2_voltage[8]; /* buckx_voltage in uV */
  	unsigned int buck3_voltage[8];
  	unsigned int buck4_voltage[8];
  };
  
  #endif /* __LINUX_MFD_MAX77686_H */