root/include/linux/mfd/stw481x.h

/*
 * 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