mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
60013b94d9
This adds a driver for the STw481x PMICs found in the Nomadik family of platforms. This one uses pure device tree probing. Print some of the OTP registers on boot and register a regulator MFD child. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
|
|
* 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
|