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kernel/linux-imx6_3.14.28/include/linux/mfd/stw481x.h 1.56 KB
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  /*
   * Copyright (C) 2011 ST-Ericsson SA
   * Written on behalf of Linaro for ST-Ericsson
   *
   * Author: Linus Walleij <linus.walleij@linaro.org>
   *
   * License terms: GNU General Public License (GPL) version 2
   */
  #ifndef MFD_STW481X_H
  #define MFD_STW481X_H
  
  #include <linux/i2c.h>
  #include <linux/regulator/machine.h>
  #include <linux/regmap.h>
  #include <linux/bitops.h>
  
  /* These registers are accessed from more than one driver */
  #define STW_CONF1			0x11U
  #define STW_CONF1_PDN_VMMC		0x01U
  #define STW_CONF1_VMMC_MASK		0x0eU
  #define STW_CONF1_VMMC_1_8V		0x02U
  #define STW_CONF1_VMMC_2_85V		0x04U
  #define STW_CONF1_VMMC_3V		0x06U
  #define STW_CONF1_VMMC_1_85V		0x08U
  #define STW_CONF1_VMMC_2_6V		0x0aU
  #define STW_CONF1_VMMC_2_7V		0x0cU
  #define STW_CONF1_VMMC_3_3V		0x0eU
  #define STW_CONF1_MMC_LS_STATUS		0x10U
  #define STW_PCTL_REG_LO			0x1eU
  #define STW_PCTL_REG_HI			0x1fU
  #define STW_CONF1_V_MONITORING		0x20U
  #define STW_CONF1_IT_WARN		0x40U
  #define STW_CONF1_PDN_VAUX		0x80U
  #define STW_CONF2			0x20U
  #define STW_CONF2_MASK_TWARN		0x01U
  #define STW_CONF2_VMMC_EXT		0x02U
  #define STW_CONF2_MASK_IT_WAKE_UP	0x04U
  #define STW_CONF2_GPO1			0x08U
  #define STW_CONF2_GPO2			0x10U
  #define STW_VCORE_SLEEP			0x21U
  
  /**
   * struct stw481x - state holder for the Stw481x drivers
   * @mutex: mutex to serialize I2C accesses
   * @i2c_client: corresponding I2C client
   * @regulator: regulator device for regulator children
   * @map: regmap handle to access device registers
   */
  struct stw481x {
  	struct mutex		lock;
  	struct i2c_client	*client;
  	struct regulator_dev	*vmmc_regulator;
  	struct regmap		*map;
  };
  
  #endif