include/linux/mfd/rc5t583.h - kernel/msm - Gitiles

 /*
  * Core driver interface to access RICOH_RC5T583 power management chip.
  *
  * Copyright (c) 2011-2012, NVIDIA CORPORATION.  All rights reserved.
  * Author: Laxman dewangan <ldewangan@nvidia.com>
  *
  * Based on code
  *      Copyright (C) 2011 RICOH COMPANY,LTD
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
  * version 2, as published by the Free Software Foundation.
  *
  * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
  *
  */

 #ifndef __LINUX_MFD_RC5T583_H
 #define __LINUX_MFD_RC5T583_H

 #include <linux/mutex.h>
 #include <linux/types.h>
 #include <linux/regmap.h>

 #define RC5T583_MAX_REGS		0xF8

 /* Maximum number of main interrupts */
 #define MAX_MAIN_INTERRUPT		5
 #define RC5T583_MAX_GPEDGE_REG		2
 #define RC5T583_MAX_INTERRUPT_MASK_REGS	9

 /* Interrupt enable register */
 #define RC5T583_INT_EN_SYS1	0x19
 #define RC5T583_INT_EN_SYS2	0x1D
 #define RC5T583_INT_EN_DCDC	0x41
 #define RC5T583_INT_EN_RTC	0xED
 #define RC5T583_INT_EN_ADC1	0x90
 #define RC5T583_INT_EN_ADC2	0x91
 #define RC5T583_INT_EN_ADC3	0x92

 /* Interrupt status registers (monitor regs in Ricoh)*/
 #define RC5T583_INTC_INTPOL	0xAD
 #define RC5T583_INTC_INTEN	0xAE
 #define RC5T583_INTC_INTMON	0xAF

 #define RC5T583_INT_MON_GRP	0xAF
 #define RC5T583_INT_MON_SYS1	0x1B
 #define RC5T583_INT_MON_SYS2	0x1F
 #define RC5T583_INT_MON_DCDC	0x43
 #define RC5T583_INT_MON_RTC	0xEE

 /* Interrupt clearing registers */
 #define RC5T583_INT_IR_SYS1	0x1A
 #define RC5T583_INT_IR_SYS2	0x1E
 #define RC5T583_INT_IR_DCDC	0x42
 #define RC5T583_INT_IR_RTC	0xEE
 #define RC5T583_INT_IR_ADCL	0x94
 #define RC5T583_INT_IR_ADCH	0x95
 #define RC5T583_INT_IR_ADCEND	0x96
 #define RC5T583_INT_IR_GPIOR	0xA9
 #define RC5T583_INT_IR_GPIOF	0xAA

 /* Sleep sequence registers */
 #define RC5T583_SLPSEQ1		0x21
 #define RC5T583_SLPSEQ2		0x22
 #define RC5T583_SLPSEQ3		0x23
 #define RC5T583_SLPSEQ4		0x24
 #define RC5T583_SLPSEQ5		0x25
 #define RC5T583_SLPSEQ6		0x26
 #define RC5T583_SLPSEQ7		0x27
 #define RC5T583_SLPSEQ8		0x28
 #define RC5T583_SLPSEQ9		0x29
 #define RC5T583_SLPSEQ10	0x2A
 #define RC5T583_SLPSEQ11	0x2B

 /* Regulator registers */
 #define RC5T583_REG_DC0CTL	0x30
 #define RC5T583_REG_DC0DAC	0x31
 #define RC5T583_REG_DC0LATCTL	0x32
 #define RC5T583_REG_SR0CTL	0x33

 #define RC5T583_REG_DC1CTL	0x34
 #define RC5T583_REG_DC1DAC	0x35
 #define RC5T583_REG_DC1LATCTL	0x36
 #define RC5T583_REG_SR1CTL	0x37

 #define RC5T583_REG_DC2CTL	0x38
 #define RC5T583_REG_DC2DAC	0x39
 #define RC5T583_REG_DC2LATCTL	0x3A
 #define RC5T583_REG_SR2CTL	0x3B

 #define RC5T583_REG_DC3CTL	0x3C
 #define RC5T583_REG_DC3DAC	0x3D
 #define RC5T583_REG_DC3LATCTL	0x3E
 #define RC5T583_REG_SR3CTL	0x3F


 #define RC5T583_REG_LDOEN1	0x50
 #define RC5T583_REG_LDOEN2	0x51
 #define RC5T583_REG_LDODIS1	0x52
 #define RC5T583_REG_LDODIS2	0x53

 #define RC5T583_REG_LDO0DAC	0x54
 #define RC5T583_REG_LDO1DAC	0x55
 #define RC5T583_REG_LDO2DAC	0x56
 #define RC5T583_REG_LDO3DAC	0x57
 #define RC5T583_REG_LDO4DAC	0x58
 #define RC5T583_REG_LDO5DAC	0x59
 #define RC5T583_REG_LDO6DAC	0x5A
 #define RC5T583_REG_LDO7DAC	0x5B
 #define RC5T583_REG_LDO8DAC	0x5C
 #define RC5T583_REG_LDO9DAC	0x5D

 #define RC5T583_REG_DC0DAC_DS	0x60
 #define RC5T583_REG_DC1DAC_DS	0x61
 #define RC5T583_REG_DC2DAC_DS	0x62
 #define RC5T583_REG_DC3DAC_DS	0x63

 #define RC5T583_REG_LDO0DAC_DS	0x64
 #define RC5T583_REG_LDO1DAC_DS	0x65
 #define RC5T583_REG_LDO2DAC_DS	0x66
 #define RC5T583_REG_LDO3DAC_DS	0x67
 #define RC5T583_REG_LDO4DAC_DS	0x68
 #define RC5T583_REG_LDO5DAC_DS	0x69
 #define RC5T583_REG_LDO6DAC_DS	0x6A
 #define RC5T583_REG_LDO7DAC_DS	0x6B
 #define RC5T583_REG_LDO8DAC_DS	0x6C
 #define RC5T583_REG_LDO9DAC_DS	0x6D

 /* GPIO register base address */
 #define RC5T583_GPIO_IOSEL	0xA0
 #define RC5T583_GPIO_PDEN	0xA1
 #define RC5T583_GPIO_IOOUT	0xA2
 #define RC5T583_GPIO_PGSEL	0xA3
 #define RC5T583_GPIO_GPINV	0xA4
 #define RC5T583_GPIO_GPDEB	0xA5
 #define RC5T583_GPIO_GPEDGE1	0xA6
 #define RC5T583_GPIO_GPEDGE2	0xA7
 #define RC5T583_GPIO_EN_INT	0xA8
 #define RC5T583_GPIO_MON_IOIN	0xAB
 #define RC5T583_GPIO_GPOFUNC	0xAC

 /* RICOH_RC5T583 IRQ definitions */
 enum {
 	RC5T583_IRQ_ONKEY,
 	RC5T583_IRQ_ACOK,
 	RC5T583_IRQ_LIDOPEN,
 	RC5T583_IRQ_PREOT,
 	RC5T583_IRQ_CLKSTP,
 	RC5T583_IRQ_ONKEY_OFF,
 	RC5T583_IRQ_WD,
 	RC5T583_IRQ_EN_PWRREQ1,
 	RC5T583_IRQ_EN_PWRREQ2,
 	RC5T583_IRQ_PRE_VINDET,

 	RC5T583_IRQ_DC0LIM,
 	RC5T583_IRQ_DC1LIM,
 	RC5T583_IRQ_DC2LIM,
 	RC5T583_IRQ_DC3LIM,

 	RC5T583_IRQ_CTC,
 	RC5T583_IRQ_YALE,
 	RC5T583_IRQ_DALE,
 	RC5T583_IRQ_WALE,

 	RC5T583_IRQ_AIN1L,
 	RC5T583_IRQ_AIN2L,
 	RC5T583_IRQ_AIN3L,
 	RC5T583_IRQ_VBATL,
 	RC5T583_IRQ_VIN3L,
 	RC5T583_IRQ_VIN8L,
 	RC5T583_IRQ_AIN1H,
 	RC5T583_IRQ_AIN2H,
 	RC5T583_IRQ_AIN3H,
 	RC5T583_IRQ_VBATH,
 	RC5T583_IRQ_VIN3H,
 	RC5T583_IRQ_VIN8H,
 	RC5T583_IRQ_ADCEND,

 	RC5T583_IRQ_GPIO0,
 	RC5T583_IRQ_GPIO1,
 	RC5T583_IRQ_GPIO2,
 	RC5T583_IRQ_GPIO3,
 	RC5T583_IRQ_GPIO4,
 	RC5T583_IRQ_GPIO5,
 	RC5T583_IRQ_GPIO6,
 	RC5T583_IRQ_GPIO7,

 	/* Should be last entry */
 	RC5T583_MAX_IRQS,
 };

 /* Ricoh583 gpio definitions */
 enum {
 	RC5T583_GPIO0,
 	RC5T583_GPIO1,
 	RC5T583_GPIO2,
 	RC5T583_GPIO3,
 	RC5T583_GPIO4,
 	RC5T583_GPIO5,
 	RC5T583_GPIO6,
 	RC5T583_GPIO7,

 	/* Should be last entry */
 	RC5T583_MAX_GPIO,
 };

 enum {
 	RC5T583_DS_NONE,
 	RC5T583_DS_DC0,
 	RC5T583_DS_DC1,
 	RC5T583_DS_DC2,
 	RC5T583_DS_DC3,
 	RC5T583_DS_LDO0,
 	RC5T583_DS_LDO1,
 	RC5T583_DS_LDO2,
 	RC5T583_DS_LDO3,
 	RC5T583_DS_LDO4,
 	RC5T583_DS_LDO5,
 	RC5T583_DS_LDO6,
 	RC5T583_DS_LDO7,
 	RC5T583_DS_LDO8,
 	RC5T583_DS_LDO9,
 	RC5T583_DS_PSO0,
 	RC5T583_DS_PSO1,
 	RC5T583_DS_PSO2,
 	RC5T583_DS_PSO3,
 	RC5T583_DS_PSO4,
 	RC5T583_DS_PSO5,
 	RC5T583_DS_PSO6,
 	RC5T583_DS_PSO7,

 	/* Should be last entry */
 	RC5T583_DS_MAX,
 };

 /*
  * Ricoh pmic RC5T583 supports sleep through two external controls.
  * The output of gpios and regulator can be enable/disable through
  * this external signals.
  */
 enum {
 	RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
 	RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
 };

 struct rc5t583 {
 	struct device	*dev;
 	struct regmap	*regmap;
 	int		chip_irq;
 	int		irq_base;
 	struct mutex	irq_lock;
 	unsigned long	group_irq_en[MAX_MAIN_INTERRUPT];

 	/* For main interrupt bits in INTC */
 	uint8_t		intc_inten_reg;

 	/* For group interrupt bits and address */
 	uint8_t		irq_en_reg[RC5T583_MAX_INTERRUPT_MASK_REGS];

 	/* For gpio edge */
 	uint8_t		gpedge_reg[RC5T583_MAX_GPEDGE_REG];
 };

 /*
  * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
  * The board specific data is provided through this structure.
  * @irq_base: Irq base number on which this device registers their interrupts.
  * @enable_shutdown: Enable shutdown through the input pin "shutdown".
  */

 struct rc5t583_platform_data {
 	int		irq_base;
 	bool		enable_shutdown;
 };

 static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
 {
 	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 	return regmap_write(rc5t583->regmap, reg, val);
 }

 static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
 {
 	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 	unsigned int ival;
 	int ret;
 	ret = regmap_read(rc5t583->regmap, reg, &ival);
 	if (!ret)
 		*val = (uint8_t)ival;
 	return ret;
 }

 static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
 			unsigned int bit_mask)
 {
 	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
 }

 static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
 			unsigned int bit_mask)
 {
 	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
 }

 static inline int rc5t583_update(struct device *dev, unsigned int reg,
 		unsigned int val, unsigned int mask)
 {
 	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
 	return regmap_update_bits(rc5t583->regmap, reg, mask, val);
 }

 int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
 	int ext_pwr_req, int deepsleep_slot_nr);
 int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
 int rc5t583_irq_exit(struct rc5t583 *rc5t583);

 #endif
	/*
	* Core driver interface to access RICOH_RC5T583 power management chip.
	*
	* Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
	* Author: Laxman dewangan <ldewangan@nvidia.com>
	*
	* Based on code
	* Copyright (C) 2011 RICOH COMPANY,LTD
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms and conditions of the GNU General Public License,
	* version 2, as published by the Free Software Foundation.
	*
	* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
	*
	*/

	#ifndef __LINUX_MFD_RC5T583_H
	#define __LINUX_MFD_RC5T583_H

	#include <linux/mutex.h>
	#include <linux/types.h>
	#include <linux/regmap.h>

	#define RC5T583_MAX_REGS 0xF8

	/* Maximum number of main interrupts */
	#define MAX_MAIN_INTERRUPT 5
	#define RC5T583_MAX_GPEDGE_REG 2
	#define RC5T583_MAX_INTERRUPT_MASK_REGS 9

	/* Interrupt enable register */
	#define RC5T583_INT_EN_SYS1 0x19
	#define RC5T583_INT_EN_SYS2 0x1D
	#define RC5T583_INT_EN_DCDC 0x41
	#define RC5T583_INT_EN_RTC 0xED
	#define RC5T583_INT_EN_ADC1 0x90
	#define RC5T583_INT_EN_ADC2 0x91
	#define RC5T583_INT_EN_ADC3 0x92

	/* Interrupt status registers (monitor regs in Ricoh)*/
	#define RC5T583_INTC_INTPOL 0xAD
	#define RC5T583_INTC_INTEN 0xAE
	#define RC5T583_INTC_INTMON 0xAF

	#define RC5T583_INT_MON_GRP 0xAF
	#define RC5T583_INT_MON_SYS1 0x1B
	#define RC5T583_INT_MON_SYS2 0x1F
	#define RC5T583_INT_MON_DCDC 0x43
	#define RC5T583_INT_MON_RTC 0xEE

	/* Interrupt clearing registers */
	#define RC5T583_INT_IR_SYS1 0x1A
	#define RC5T583_INT_IR_SYS2 0x1E
	#define RC5T583_INT_IR_DCDC 0x42
	#define RC5T583_INT_IR_RTC 0xEE
	#define RC5T583_INT_IR_ADCL 0x94
	#define RC5T583_INT_IR_ADCH 0x95
	#define RC5T583_INT_IR_ADCEND 0x96
	#define RC5T583_INT_IR_GPIOR 0xA9
	#define RC5T583_INT_IR_GPIOF 0xAA

	/* Sleep sequence registers */
	#define RC5T583_SLPSEQ1 0x21
	#define RC5T583_SLPSEQ2 0x22
	#define RC5T583_SLPSEQ3 0x23
	#define RC5T583_SLPSEQ4 0x24
	#define RC5T583_SLPSEQ5 0x25
	#define RC5T583_SLPSEQ6 0x26
	#define RC5T583_SLPSEQ7 0x27
	#define RC5T583_SLPSEQ8 0x28
	#define RC5T583_SLPSEQ9 0x29
	#define RC5T583_SLPSEQ10 0x2A
	#define RC5T583_SLPSEQ11 0x2B

	/* Regulator registers */
	#define RC5T583_REG_DC0CTL 0x30
	#define RC5T583_REG_DC0DAC 0x31
	#define RC5T583_REG_DC0LATCTL 0x32
	#define RC5T583_REG_SR0CTL 0x33

	#define RC5T583_REG_DC1CTL 0x34
	#define RC5T583_REG_DC1DAC 0x35
	#define RC5T583_REG_DC1LATCTL 0x36
	#define RC5T583_REG_SR1CTL 0x37

	#define RC5T583_REG_DC2CTL 0x38
	#define RC5T583_REG_DC2DAC 0x39
	#define RC5T583_REG_DC2LATCTL 0x3A
	#define RC5T583_REG_SR2CTL 0x3B

	#define RC5T583_REG_DC3CTL 0x3C
	#define RC5T583_REG_DC3DAC 0x3D
	#define RC5T583_REG_DC3LATCTL 0x3E
	#define RC5T583_REG_SR3CTL 0x3F


	#define RC5T583_REG_LDOEN1 0x50
	#define RC5T583_REG_LDOEN2 0x51
	#define RC5T583_REG_LDODIS1 0x52
	#define RC5T583_REG_LDODIS2 0x53

	#define RC5T583_REG_LDO0DAC 0x54
	#define RC5T583_REG_LDO1DAC 0x55
	#define RC5T583_REG_LDO2DAC 0x56
	#define RC5T583_REG_LDO3DAC 0x57
	#define RC5T583_REG_LDO4DAC 0x58
	#define RC5T583_REG_LDO5DAC 0x59
	#define RC5T583_REG_LDO6DAC 0x5A
	#define RC5T583_REG_LDO7DAC 0x5B
	#define RC5T583_REG_LDO8DAC 0x5C
	#define RC5T583_REG_LDO9DAC 0x5D

	#define RC5T583_REG_DC0DAC_DS 0x60
	#define RC5T583_REG_DC1DAC_DS 0x61
	#define RC5T583_REG_DC2DAC_DS 0x62
	#define RC5T583_REG_DC3DAC_DS 0x63

	#define RC5T583_REG_LDO0DAC_DS 0x64
	#define RC5T583_REG_LDO1DAC_DS 0x65
	#define RC5T583_REG_LDO2DAC_DS 0x66
	#define RC5T583_REG_LDO3DAC_DS 0x67
	#define RC5T583_REG_LDO4DAC_DS 0x68
	#define RC5T583_REG_LDO5DAC_DS 0x69
	#define RC5T583_REG_LDO6DAC_DS 0x6A
	#define RC5T583_REG_LDO7DAC_DS 0x6B
	#define RC5T583_REG_LDO8DAC_DS 0x6C
	#define RC5T583_REG_LDO9DAC_DS 0x6D

	/* GPIO register base address */
	#define RC5T583_GPIO_IOSEL 0xA0
	#define RC5T583_GPIO_PDEN 0xA1
	#define RC5T583_GPIO_IOOUT 0xA2
	#define RC5T583_GPIO_PGSEL 0xA3
	#define RC5T583_GPIO_GPINV 0xA4
	#define RC5T583_GPIO_GPDEB 0xA5
	#define RC5T583_GPIO_GPEDGE1 0xA6
	#define RC5T583_GPIO_GPEDGE2 0xA7
	#define RC5T583_GPIO_EN_INT 0xA8
	#define RC5T583_GPIO_MON_IOIN 0xAB
	#define RC5T583_GPIO_GPOFUNC 0xAC

	/* RICOH_RC5T583 IRQ definitions */
	enum {
	RC5T583_IRQ_ONKEY,
	RC5T583_IRQ_ACOK,
	RC5T583_IRQ_LIDOPEN,
	RC5T583_IRQ_PREOT,
	RC5T583_IRQ_CLKSTP,
	RC5T583_IRQ_ONKEY_OFF,
	RC5T583_IRQ_WD,
	RC5T583_IRQ_EN_PWRREQ1,
	RC5T583_IRQ_EN_PWRREQ2,
	RC5T583_IRQ_PRE_VINDET,

	RC5T583_IRQ_DC0LIM,
	RC5T583_IRQ_DC1LIM,
	RC5T583_IRQ_DC2LIM,
	RC5T583_IRQ_DC3LIM,

	RC5T583_IRQ_CTC,
	RC5T583_IRQ_YALE,
	RC5T583_IRQ_DALE,
	RC5T583_IRQ_WALE,

	RC5T583_IRQ_AIN1L,
	RC5T583_IRQ_AIN2L,
	RC5T583_IRQ_AIN3L,
	RC5T583_IRQ_VBATL,
	RC5T583_IRQ_VIN3L,
	RC5T583_IRQ_VIN8L,
	RC5T583_IRQ_AIN1H,
	RC5T583_IRQ_AIN2H,
	RC5T583_IRQ_AIN3H,
	RC5T583_IRQ_VBATH,
	RC5T583_IRQ_VIN3H,
	RC5T583_IRQ_VIN8H,
	RC5T583_IRQ_ADCEND,

	RC5T583_IRQ_GPIO0,
	RC5T583_IRQ_GPIO1,
	RC5T583_IRQ_GPIO2,
	RC5T583_IRQ_GPIO3,
	RC5T583_IRQ_GPIO4,
	RC5T583_IRQ_GPIO5,
	RC5T583_IRQ_GPIO6,
	RC5T583_IRQ_GPIO7,

	/* Should be last entry */
	RC5T583_MAX_IRQS,
	};

	/* Ricoh583 gpio definitions */
	enum {
	RC5T583_GPIO0,
	RC5T583_GPIO1,
	RC5T583_GPIO2,
	RC5T583_GPIO3,
	RC5T583_GPIO4,
	RC5T583_GPIO5,
	RC5T583_GPIO6,
	RC5T583_GPIO7,

	/* Should be last entry */
	RC5T583_MAX_GPIO,
	};

	enum {
	RC5T583_DS_NONE,
	RC5T583_DS_DC0,
	RC5T583_DS_DC1,
	RC5T583_DS_DC2,
	RC5T583_DS_DC3,
	RC5T583_DS_LDO0,
	RC5T583_DS_LDO1,
	RC5T583_DS_LDO2,
	RC5T583_DS_LDO3,
	RC5T583_DS_LDO4,
	RC5T583_DS_LDO5,
	RC5T583_DS_LDO6,
	RC5T583_DS_LDO7,
	RC5T583_DS_LDO8,
	RC5T583_DS_LDO9,
	RC5T583_DS_PSO0,
	RC5T583_DS_PSO1,
	RC5T583_DS_PSO2,
	RC5T583_DS_PSO3,
	RC5T583_DS_PSO4,
	RC5T583_DS_PSO5,
	RC5T583_DS_PSO6,
	RC5T583_DS_PSO7,

	/* Should be last entry */
	RC5T583_DS_MAX,
	};

	/*
	* Ricoh pmic RC5T583 supports sleep through two external controls.
	* The output of gpios and regulator can be enable/disable through
	* this external signals.
	*/
	enum {
	RC5T583_EXT_PWRREQ1_CONTROL = 0x1,
	RC5T583_EXT_PWRREQ2_CONTROL = 0x2,
	};

	struct rc5t583 {
	struct device *dev;
	struct regmap *regmap;
	int chip_irq;
	int irq_base;
	struct mutex irq_lock;
	unsigned long group_irq_en[MAX_MAIN_INTERRUPT];

	/* For main interrupt bits in INTC */
	uint8_t intc_inten_reg;

	/* For group interrupt bits and address */
	uint8_t irq_en_reg[RC5T583_MAX_INTERRUPT_MASK_REGS];

	/* For gpio edge */
	uint8_t gpedge_reg[RC5T583_MAX_GPEDGE_REG];
	};

	/*
	* rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
	* The board specific data is provided through this structure.
	* @irq_base: Irq base number on which this device registers their interrupts.
	* @enable_shutdown: Enable shutdown through the input pin "shutdown".
	*/

	struct rc5t583_platform_data {
	int irq_base;
	bool enable_shutdown;
	};

	static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
	{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_write(rc5t583->regmap, reg, val);
	}

	static inline int rc5t583_read(struct device dev, uint8_t reg, uint8_t val)
	{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	unsigned int ival;
	int ret;
	ret = regmap_read(rc5t583->regmap, reg, &ival);
	if (!ret)
	*val = (uint8_t)ival;
	return ret;
	}

	static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
	unsigned int bit_mask)
	{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
	}

	static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
	unsigned int bit_mask)
	{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
	}

	static inline int rc5t583_update(struct device *dev, unsigned int reg,
	unsigned int val, unsigned int mask)
	{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_update_bits(rc5t583->regmap, reg, mask, val);
	}

	int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
	int ext_pwr_req, int deepsleep_slot_nr);
	int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
	int rc5t583_irq_exit(struct rc5t583 *rc5t583);

	#endif