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/*
* include/linux/mfd/tps6591x.c
* Core driver interface for TI TPS6591x PMIC family
*
* Copyright (c) 2011-2013, NVIDIA CORPORATION. All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef __LINUX_MFD_TPS6591X_H
#define __LINUX_MFD_TPS6591X_H
#include <linux/rtc.h>
enum {
TPS6591X_INT_PWRHOLD_F,
TPS6591X_INT_VMBHI,
TPS6591X_INT_PWRON,
TPS6591X_INT_PWRON_LP,
TPS6591X_INT_PWRHOLD_R,
TPS6591X_INT_HOTDIE,
TPS6591X_INT_RTC_ALARM,
TPS6591X_INT_RTC_PERIOD,
TPS6591X_INT_GPIO0,
TPS6591X_INT_GPIO1,
TPS6591X_INT_GPIO2,
TPS6591X_INT_GPIO3,
TPS6591X_INT_GPIO4,
TPS6591X_INT_GPIO5,
TPS6591X_INT_WTCHDG,
TPS6591X_INT_VMBCH2_H,
TPS6591X_INT_VMBCH2_L,
TPS6591X_INT_PWRDN,
/* Last entry */
TPS6591X_INT_NR,
};
/* Gpio definitions */
enum {
TPS6591X_GPIO_GP0 = 0,
TPS6591X_GPIO_GP1 = 1,
TPS6591X_GPIO_GP2 = 2,
TPS6591X_GPIO_GP3 = 3,
TPS6591X_GPIO_GP4 = 4,
TPS6591X_GPIO_GP5 = 5,
TPS6591X_GPIO_GP6 = 6,
TPS6591X_GPIO_GP7 = 7,
TPS6591X_GPIO_GP8 = 8,
/* Last entry */
TPS6591X_GPIO_NR,
};
enum tps6591x_pup_flags {
TPS6591X_PUP_NRESPWRON2P,
TPS6591X_PUP_HDRSTP,
TPS6591X_PUP_PWRHOLDP,
TPS6591X_PUP_SLEEPP,
TPS6591X_PUP_PWRONP,
TPS6591X_PUP_I2CSRP,
TPS6591X_PUP_I2CCTLP,
};
enum tps6591x_pup_val {
TPS6591X_PUP_DIS,
TPS6591X_PUP_EN,
TPS6591X_PUP_DEFAULT,
};
struct tps6591x_subdev_info {
int id;
const char *name;
void *platform_data;
};
struct tps6591x_rtc_platform_data {
int irq;
struct rtc_time time;
};
struct tps6591x_sleep_keepon_data {
/* set 1 to maintain the following on sleep mode */
unsigned therm_keepon:1; /* themal monitoring */
unsigned clkout32k_keepon:1; /* CLK32KOUT */
unsigned vrtc_keepon:1; /* LD0 full load capability */
unsigned i2chs_keepon:1; /* high speed internal clock */
};
struct tps6591x_gpio_init_data {
unsigned sleep_en:1; /* Enable sleep mode */
unsigned pulldn_en:1; /* Enable pull down */
unsigned output_mode_en:1; /* Enable output mode during init */
unsigned output_val:1; /* Output value if it is in output mode */
unsigned init_apply:1; /* Apply init data on configuring gpios*/
};
struct tps6591x_pup_init_data {
unsigned pin_id;
unsigned pup_val;
};
struct tps6591x_platform_data {
int gpio_base;
int irq_base;
int num_subdevs;
struct tps6591x_subdev_info *subdevs;
bool dev_slp_en;
bool dev_slp_delayed; /* Set the SLEEP only before entering suspend */
struct tps6591x_sleep_keepon_data *slp_keepon;
struct tps6591x_gpio_init_data *gpio_init_data;
int num_gpioinit_data;
bool use_power_off;
struct tps6591x_pup_init_data *pup_data;
int num_pins;
};
/*
* NOTE: the functions below are not intended for use outside
* of the TPS6591X sub-device drivers
*/
extern int tps6591x_write(struct device *dev, int reg, uint8_t val);
extern int tps6591x_writes(struct device *dev, int reg, int len, uint8_t *val);
extern int tps6591x_read(struct device *dev, int reg, uint8_t *val);
extern int tps6591x_reads(struct device *dev, int reg, int len, uint8_t *val);
extern int tps6591x_set_bits(struct device *dev, int reg, uint8_t bit_mask);
extern int tps6591x_clr_bits(struct device *dev, int reg, uint8_t bit_mask);
extern int tps6591x_update(struct device *dev, int reg, uint8_t val,
uint8_t mask);
#endif /*__LINUX_MFD_TPS6591X_H */
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