1/* 2 * Copyright (C) 2011 ST-Ericsson SA 3 * Written on behalf of Linaro for ST-Ericsson 4 * 5 * Author: Linus Walleij <linus.walleij@linaro.org> 6 * 7 * License terms: GNU General Public License (GPL) version 2 8 */ 9#ifndef MFD_STW481X_H 10#define MFD_STW481X_H 11 12#include <linux/i2c.h> 13#include <linux/regulator/machine.h> 14#include <linux/regmap.h> 15#include <linux/bitops.h> 16 17/* These registers are accessed from more than one driver */ 18#define STW_CONF1 0x11U 19#define STW_CONF1_PDN_VMMC 0x01U 20#define STW_CONF1_VMMC_MASK 0x0eU 21#define STW_CONF1_VMMC_1_8V 0x02U 22#define STW_CONF1_VMMC_2_85V 0x04U 23#define STW_CONF1_VMMC_3V 0x06U 24#define STW_CONF1_VMMC_1_85V 0x08U 25#define STW_CONF1_VMMC_2_6V 0x0aU 26#define STW_CONF1_VMMC_2_7V 0x0cU 27#define STW_CONF1_VMMC_3_3V 0x0eU 28#define STW_CONF1_MMC_LS_STATUS 0x10U 29#define STW_PCTL_REG_LO 0x1eU 30#define STW_PCTL_REG_HI 0x1fU 31#define STW_CONF1_V_MONITORING 0x20U 32#define STW_CONF1_IT_WARN 0x40U 33#define STW_CONF1_PDN_VAUX 0x80U 34#define STW_CONF2 0x20U 35#define STW_CONF2_MASK_TWARN 0x01U 36#define STW_CONF2_VMMC_EXT 0x02U 37#define STW_CONF2_MASK_IT_WAKE_UP 0x04U 38#define STW_CONF2_GPO1 0x08U 39#define STW_CONF2_GPO2 0x10U 40#define STW_VCORE_SLEEP 0x21U 41 42/** 43 * struct stw481x - state holder for the Stw481x drivers 44 * @mutex: mutex to serialize I2C accesses 45 * @i2c_client: corresponding I2C client 46 * @regulator: regulator device for regulator children 47 * @map: regmap handle to access device registers 48 */ 49struct stw481x { 50 struct mutex lock; 51 struct i2c_client *client; 52 struct regulator_dev *vmmc_regulator; 53 struct regmap *map; 54}; 55 56#endif 57