include/linux/mfd/wm831x/core.h - linux-mtk - Git at Google


            
            /*

            
             * include/linux/mfd/wm831x/core.h -- Core interface for WM831x

            
             *

            
             * Copyright 2009 Wolfson Microelectronics PLC.

            
             *

            
             * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>

            
             *

            
             *  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.

            
             *

            
             */


            #ifndef __MFD_WM831X_CORE_H__

            
            #define __MFD_WM831X_CORE_H__


            #include <linux/interrupt.h>

            
            #include <linux/workqueue.h>


            /*

            
             * Register values.

            
             */

            
            #define WM831X_RESET_ID                         0x00

            
            #define WM831X_REVISION                         0x01

            
            #define WM831X_PARENT_ID                        0x4000

            
            #define WM831X_SYSVDD_CONTROL                   0x4001

            
            #define WM831X_THERMAL_MONITORING               0x4002

            
            #define WM831X_POWER_STATE                      0x4003

            
            #define WM831X_WATCHDOG                         0x4004

            
            #define WM831X_ON_PIN_CONTROL                   0x4005

            
            #define WM831X_RESET_CONTROL                    0x4006

            
            #define WM831X_CONTROL_INTERFACE                0x4007

            
            #define WM831X_SECURITY_KEY                     0x4008

            
            #define WM831X_SOFTWARE_SCRATCH                 0x4009

            
            #define WM831X_OTP_CONTROL                      0x400A

            
            #define WM831X_GPIO_LEVEL                       0x400C

            
            #define WM831X_SYSTEM_STATUS                    0x400D

            
            #define WM831X_ON_SOURCE                        0x400E

            
            #define WM831X_OFF_SOURCE                       0x400F

            
            #define WM831X_SYSTEM_INTERRUPTS                0x4010

            
            #define WM831X_INTERRUPT_STATUS_1               0x4011

            
            #define WM831X_INTERRUPT_STATUS_2               0x4012

            
            #define WM831X_INTERRUPT_STATUS_3               0x4013

            
            #define WM831X_INTERRUPT_STATUS_4               0x4014

            
            #define WM831X_INTERRUPT_STATUS_5               0x4015

            
            #define WM831X_IRQ_CONFIG                       0x4017

            
            #define WM831X_SYSTEM_INTERRUPTS_MASK           0x4018

            
            #define WM831X_INTERRUPT_STATUS_1_MASK          0x4019

            
            #define WM831X_INTERRUPT_STATUS_2_MASK          0x401A

            
            #define WM831X_INTERRUPT_STATUS_3_MASK          0x401B

            
            #define WM831X_INTERRUPT_STATUS_4_MASK          0x401C

            
            #define WM831X_INTERRUPT_STATUS_5_MASK          0x401D

            
            #define WM831X_RTC_WRITE_COUNTER                0x4020

            
            #define WM831X_RTC_TIME_1                       0x4021

            
            #define WM831X_RTC_TIME_2                       0x4022

            
            #define WM831X_RTC_ALARM_1                      0x4023

            
            #define WM831X_RTC_ALARM_2                      0x4024

            
            #define WM831X_RTC_CONTROL                      0x4025

            
            #define WM831X_RTC_TRIM                         0x4026

            
            #define WM831X_TOUCH_CONTROL_1                  0x4028

            
            #define WM831X_TOUCH_CONTROL_2                  0x4029

            
            #define WM831X_TOUCH_DATA_X                     0x402A

            
            #define WM831X_TOUCH_DATA_Y                     0x402B

            
            #define WM831X_TOUCH_DATA_Z                     0x402C

            
            #define WM831X_AUXADC_DATA                      0x402D

            
            #define WM831X_AUXADC_CONTROL                   0x402E

            
            #define WM831X_AUXADC_SOURCE                    0x402F

            
            #define WM831X_COMPARATOR_CONTROL               0x4030

            
            #define WM831X_COMPARATOR_1                     0x4031

            
            #define WM831X_COMPARATOR_2                     0x4032

            
            #define WM831X_COMPARATOR_3                     0x4033

            
            #define WM831X_COMPARATOR_4                     0x4034

            
            #define WM831X_GPIO1_CONTROL                    0x4038

            
            #define WM831X_GPIO2_CONTROL                    0x4039

            
            #define WM831X_GPIO3_CONTROL                    0x403A

            
            #define WM831X_GPIO4_CONTROL                    0x403B

            
            #define WM831X_GPIO5_CONTROL                    0x403C

            
            #define WM831X_GPIO6_CONTROL                    0x403D

            
            #define WM831X_GPIO7_CONTROL                    0x403E

            
            #define WM831X_GPIO8_CONTROL                    0x403F

            
            #define WM831X_GPIO9_CONTROL                    0x4040

            
            #define WM831X_GPIO10_CONTROL                   0x4041

            
            #define WM831X_GPIO11_CONTROL                   0x4042

            
            #define WM831X_GPIO12_CONTROL                   0x4043

            
            #define WM831X_GPIO13_CONTROL                   0x4044

            
            #define WM831X_GPIO14_CONTROL                   0x4045

            
            #define WM831X_GPIO15_CONTROL                   0x4046

            
            #define WM831X_GPIO16_CONTROL                   0x4047

            
            #define WM831X_CHARGER_CONTROL_1                0x4048

            
            #define WM831X_CHARGER_CONTROL_2                0x4049

            
            #define WM831X_CHARGER_STATUS                   0x404A

            
            #define WM831X_BACKUP_CHARGER_CONTROL           0x404B

            
            #define WM831X_STATUS_LED_1                     0x404C

            
            #define WM831X_STATUS_LED_2                     0x404D

            
            #define WM831X_CURRENT_SINK_1                   0x404E

            
            #define WM831X_CURRENT_SINK_2                   0x404F

            
            #define WM831X_DCDC_ENABLE                      0x4050

            
            #define WM831X_LDO_ENABLE                       0x4051

            
            #define WM831X_DCDC_STATUS                      0x4052

            
            #define WM831X_LDO_STATUS                       0x4053

            
            #define WM831X_DCDC_UV_STATUS                   0x4054

            
            #define WM831X_LDO_UV_STATUS                    0x4055

            
            #define WM831X_DC1_CONTROL_1                    0x4056

            
            #define WM831X_DC1_CONTROL_2                    0x4057

            
            #define WM831X_DC1_ON_CONFIG                    0x4058

            
            #define WM831X_DC1_SLEEP_CONTROL                0x4059

            
            #define WM831X_DC1_DVS_CONTROL                  0x405A

            
            #define WM831X_DC2_CONTROL_1                    0x405B

            
            #define WM831X_DC2_CONTROL_2                    0x405C

            
            #define WM831X_DC2_ON_CONFIG                    0x405D

            
            #define WM831X_DC2_SLEEP_CONTROL                0x405E

            
            #define WM831X_DC2_DVS_CONTROL                  0x405F

            
            #define WM831X_DC3_CONTROL_1                    0x4060

            
            #define WM831X_DC3_CONTROL_2                    0x4061

            
            #define WM831X_DC3_ON_CONFIG                    0x4062

            
            #define WM831X_DC3_SLEEP_CONTROL                0x4063

            
            #define WM831X_DC4_CONTROL                      0x4064

            
            #define WM831X_DC4_SLEEP_CONTROL                0x4065

            
            #define WM831X_EPE1_CONTROL                     0x4066

            
            #define WM831X_EPE2_CONTROL                     0x4067

            
            #define WM831X_LDO1_CONTROL                     0x4068

            
            #define WM831X_LDO1_ON_CONTROL                  0x4069

            
            #define WM831X_LDO1_SLEEP_CONTROL               0x406A

            
            #define WM831X_LDO2_CONTROL                     0x406B

            
            #define WM831X_LDO2_ON_CONTROL                  0x406C

            
            #define WM831X_LDO2_SLEEP_CONTROL               0x406D

            
            #define WM831X_LDO3_CONTROL                     0x406E

            
            #define WM831X_LDO3_ON_CONTROL                  0x406F

            
            #define WM831X_LDO3_SLEEP_CONTROL               0x4070

            
            #define WM831X_LDO4_CONTROL                     0x4071

            
            #define WM831X_LDO4_ON_CONTROL                  0x4072

            
            #define WM831X_LDO4_SLEEP_CONTROL               0x4073

            
            #define WM831X_LDO5_CONTROL                     0x4074

            
            #define WM831X_LDO5_ON_CONTROL                  0x4075

            
            #define WM831X_LDO5_SLEEP_CONTROL               0x4076

            
            #define WM831X_LDO6_CONTROL                     0x4077

            
            #define WM831X_LDO6_ON_CONTROL                  0x4078

            
            #define WM831X_LDO6_SLEEP_CONTROL               0x4079

            
            #define WM831X_LDO7_CONTROL                     0x407A

            
            #define WM831X_LDO7_ON_CONTROL                  0x407B

            
            #define WM831X_LDO7_SLEEP_CONTROL               0x407C

            
            #define WM831X_LDO8_CONTROL                     0x407D

            
            #define WM831X_LDO8_ON_CONTROL                  0x407E

            
            #define WM831X_LDO8_SLEEP_CONTROL               0x407F

            
            #define WM831X_LDO9_CONTROL                     0x4080

            
            #define WM831X_LDO9_ON_CONTROL                  0x4081

            
            #define WM831X_LDO9_SLEEP_CONTROL               0x4082

            
            #define WM831X_LDO10_CONTROL                    0x4083

            
            #define WM831X_LDO10_ON_CONTROL                 0x4084

            
            #define WM831X_LDO10_SLEEP_CONTROL              0x4085

            
            #define WM831X_LDO11_ON_CONTROL                 0x4087

            
            #define WM831X_LDO11_SLEEP_CONTROL              0x4088

            
            #define WM831X_POWER_GOOD_SOURCE_1              0x408E

            
            #define WM831X_POWER_GOOD_SOURCE_2              0x408F

            
            #define WM831X_CLOCK_CONTROL_1                  0x4090

            
            #define WM831X_CLOCK_CONTROL_2                  0x4091

            
            #define WM831X_FLL_CONTROL_1                    0x4092

            
            #define WM831X_FLL_CONTROL_2                    0x4093

            
            #define WM831X_FLL_CONTROL_3                    0x4094

            
            #define WM831X_FLL_CONTROL_4                    0x4095

            
            #define WM831X_FLL_CONTROL_5                    0x4096

            
            #define WM831X_UNIQUE_ID_1                      0x7800

            
            #define WM831X_UNIQUE_ID_2                      0x7801

            
            #define WM831X_UNIQUE_ID_3                      0x7802

            
            #define WM831X_UNIQUE_ID_4                      0x7803

            
            #define WM831X_UNIQUE_ID_5                      0x7804

            
            #define WM831X_UNIQUE_ID_6                      0x7805

            
            #define WM831X_UNIQUE_ID_7                      0x7806

            
            #define WM831X_UNIQUE_ID_8                      0x7807

            
            #define WM831X_FACTORY_OTP_ID                   0x7808

            
            #define WM831X_FACTORY_OTP_1                    0x7809

            
            #define WM831X_FACTORY_OTP_2                    0x780A

            
            #define WM831X_FACTORY_OTP_3                    0x780B

            
            #define WM831X_FACTORY_OTP_4                    0x780C

            
            #define WM831X_FACTORY_OTP_5                    0x780D

            
            #define WM831X_CUSTOMER_OTP_ID                  0x7810

            
            #define WM831X_DC1_OTP_CONTROL                  0x7811

            
            #define WM831X_DC2_OTP_CONTROL                  0x7812

            
            #define WM831X_DC3_OTP_CONTROL                  0x7813

            
            #define WM831X_LDO1_2_OTP_CONTROL               0x7814

            
            #define WM831X_LDO3_4_OTP_CONTROL               0x7815

            
            #define WM831X_LDO5_6_OTP_CONTROL               0x7816

            
            #define WM831X_LDO7_8_OTP_CONTROL               0x7817

            
            #define WM831X_LDO9_10_OTP_CONTROL              0x7818

            
            #define WM831X_LDO11_EPE_CONTROL                0x7819

            
            #define WM831X_GPIO1_OTP_CONTROL                0x781A

            
            #define WM831X_GPIO2_OTP_CONTROL                0x781B

            
            #define WM831X_GPIO3_OTP_CONTROL                0x781C

            
            #define WM831X_GPIO4_OTP_CONTROL                0x781D

            
            #define WM831X_GPIO5_OTP_CONTROL                0x781E

            
            #define WM831X_GPIO6_OTP_CONTROL                0x781F

            
            #define WM831X_DBE_CHECK_DATA                   0x7827


            /*

            
             * R0 (0x00) - Reset ID

            
             */

            
            #define WM831X_CHIP_ID_MASK                     0xFFFF  /* CHIP_ID - [15:0] */

            
            #define WM831X_CHIP_ID_SHIFT                         0  /* CHIP_ID - [15:0] */

            
            #define WM831X_CHIP_ID_WIDTH                        16  /* CHIP_ID - [15:0] */


            /*

            
             * R1 (0x01) - Revision

            
             */

            
            #define WM831X_PARENT_REV_MASK                  0xFF00  /* PARENT_REV - [15:8] */

            
            #define WM831X_PARENT_REV_SHIFT                      8  /* PARENT_REV - [15:8] */

            
            #define WM831X_PARENT_REV_WIDTH                      8  /* PARENT_REV - [15:8] */

            
            #define WM831X_CHILD_REV_MASK                   0x00FF  /* CHILD_REV - [7:0] */

            
            #define WM831X_CHILD_REV_SHIFT                       0  /* CHILD_REV - [7:0] */

            
            #define WM831X_CHILD_REV_WIDTH                       8  /* CHILD_REV - [7:0] */


            /*

            
             * R16384 (0x4000) - Parent ID

            
             */

            
            #define WM831X_PARENT_ID_MASK                   0xFFFF  /* PARENT_ID - [15:0] */

            
            #define WM831X_PARENT_ID_SHIFT                       0  /* PARENT_ID - [15:0] */

            
            #define WM831X_PARENT_ID_WIDTH                      16  /* PARENT_ID - [15:0] */


            /*

            
             * R16389 (0x4005) - ON Pin Control

            
             */

            
            #define WM831X_ON_PIN_SECACT_MASK               0x0300  /* ON_PIN_SECACT - [9:8] */

            
            #define WM831X_ON_PIN_SECACT_SHIFT                   8  /* ON_PIN_SECACT - [9:8] */

            
            #define WM831X_ON_PIN_SECACT_WIDTH                   2  /* ON_PIN_SECACT - [9:8] */

            
            #define WM831X_ON_PIN_PRIMACT_MASK              0x0030  /* ON_PIN_PRIMACT - [5:4] */

            
            #define WM831X_ON_PIN_PRIMACT_SHIFT                  4  /* ON_PIN_PRIMACT - [5:4] */

            
            #define WM831X_ON_PIN_PRIMACT_WIDTH                  2  /* ON_PIN_PRIMACT - [5:4] */

            
            #define WM831X_ON_PIN_STS                       0x0008  /* ON_PIN_STS */

            
            #define WM831X_ON_PIN_STS_MASK                  0x0008  /* ON_PIN_STS */

            
            #define WM831X_ON_PIN_STS_SHIFT                      3  /* ON_PIN_STS */

            
            #define WM831X_ON_PIN_STS_WIDTH                      1  /* ON_PIN_STS */

            
            #define WM831X_ON_PIN_TO_MASK                   0x0003  /* ON_PIN_TO - [1:0] */

            
            #define WM831X_ON_PIN_TO_SHIFT                       0  /* ON_PIN_TO - [1:0] */

            
            #define WM831X_ON_PIN_TO_WIDTH                       2  /* ON_PIN_TO - [1:0] */


            struct regulator_dev;


            struct wm831x {

            
            	struct mutex io_lock;


            	struct device *dev;

            
            	int (*read_dev)(struct wm831x *wm831x, unsigned short reg,

            
            			int bytes, void *dest);

            
            	int (*write_dev)(struct wm831x *wm831x, unsigned short reg,

            
            			 int bytes, void *src);


            	void *control_data;


            	int irq;  /* Our chip IRQ */

            
            	struct mutex irq_lock;

            
            	struct workqueue_struct *irq_wq;

            
            	struct work_struct irq_work;

            
            	unsigned int irq_base;

            
            	int irq_masks[5];


            	struct mutex auxadc_lock;


            	/* The WM831x has a security key blocking access to certain

            
            	 * registers.  The mutex is taken by the accessors for locking

            
            	 * and unlocking the security key, locked is used to fail

            
            	 * writes if the lock is held.

            
            	 */

            
            	struct mutex key_lock;

            
            	unsigned int locked:1;

            
            };


            /* Device I/O API */

            
            int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);

            
            int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,

            
            		 unsigned short val);

            
            void wm831x_reg_lock(struct wm831x *wm831x);

            
            int wm831x_reg_unlock(struct wm831x *wm831x);

            
            int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,

            
            		    unsigned short mask, unsigned short val);

            
            int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,

            
            		     int count, u16 *buf);


            int wm831x_irq_init(struct wm831x *wm831x, int irq);

            
            void wm831x_irq_exit(struct wm831x *wm831x);


            int __must_check wm831x_request_irq(struct wm831x *wm831x,

            
            				    unsigned int irq, irq_handler_t handler,

            
            				    unsigned long flags, const char *name,

            
            				    void *dev);

            
            void wm831x_free_irq(struct wm831x *wm831x, unsigned int, void *);

            
            void wm831x_disable_irq(struct wm831x *wm831x, int irq);

            
            void wm831x_enable_irq(struct wm831x *wm831x, int irq);


            #endif
	/*
	* include/linux/mfd/wm831x/core.h -- Core interface for WM831x
	*
	* Copyright 2009 Wolfson Microelectronics PLC.
	*
	* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
	*
	* 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.
	*
	*/

	#ifndef __MFD_WM831X_CORE_H__
	#define __MFD_WM831X_CORE_H__

	#include <linux/interrupt.h>
	#include <linux/workqueue.h>

	/*
	* Register values.
	*/
	#define WM831X_RESET_ID 0x00
	#define WM831X_REVISION 0x01
	#define WM831X_PARENT_ID 0x4000
	#define WM831X_SYSVDD_CONTROL 0x4001
	#define WM831X_THERMAL_MONITORING 0x4002
	#define WM831X_POWER_STATE 0x4003
	#define WM831X_WATCHDOG 0x4004
	#define WM831X_ON_PIN_CONTROL 0x4005
	#define WM831X_RESET_CONTROL 0x4006
	#define WM831X_CONTROL_INTERFACE 0x4007
	#define WM831X_SECURITY_KEY 0x4008
	#define WM831X_SOFTWARE_SCRATCH 0x4009
	#define WM831X_OTP_CONTROL 0x400A
	#define WM831X_GPIO_LEVEL 0x400C
	#define WM831X_SYSTEM_STATUS 0x400D
	#define WM831X_ON_SOURCE 0x400E
	#define WM831X_OFF_SOURCE 0x400F
	#define WM831X_SYSTEM_INTERRUPTS 0x4010
	#define WM831X_INTERRUPT_STATUS_1 0x4011
	#define WM831X_INTERRUPT_STATUS_2 0x4012
	#define WM831X_INTERRUPT_STATUS_3 0x4013
	#define WM831X_INTERRUPT_STATUS_4 0x4014
	#define WM831X_INTERRUPT_STATUS_5 0x4015
	#define WM831X_IRQ_CONFIG 0x4017
	#define WM831X_SYSTEM_INTERRUPTS_MASK 0x4018
	#define WM831X_INTERRUPT_STATUS_1_MASK 0x4019
	#define WM831X_INTERRUPT_STATUS_2_MASK 0x401A
	#define WM831X_INTERRUPT_STATUS_3_MASK 0x401B
	#define WM831X_INTERRUPT_STATUS_4_MASK 0x401C
	#define WM831X_INTERRUPT_STATUS_5_MASK 0x401D
	#define WM831X_RTC_WRITE_COUNTER 0x4020
	#define WM831X_RTC_TIME_1 0x4021
	#define WM831X_RTC_TIME_2 0x4022
	#define WM831X_RTC_ALARM_1 0x4023
	#define WM831X_RTC_ALARM_2 0x4024
	#define WM831X_RTC_CONTROL 0x4025
	#define WM831X_RTC_TRIM 0x4026
	#define WM831X_TOUCH_CONTROL_1 0x4028
	#define WM831X_TOUCH_CONTROL_2 0x4029
	#define WM831X_TOUCH_DATA_X 0x402A
	#define WM831X_TOUCH_DATA_Y 0x402B
	#define WM831X_TOUCH_DATA_Z 0x402C
	#define WM831X_AUXADC_DATA 0x402D
	#define WM831X_AUXADC_CONTROL 0x402E
	#define WM831X_AUXADC_SOURCE 0x402F
	#define WM831X_COMPARATOR_CONTROL 0x4030
	#define WM831X_COMPARATOR_1 0x4031
	#define WM831X_COMPARATOR_2 0x4032
	#define WM831X_COMPARATOR_3 0x4033
	#define WM831X_COMPARATOR_4 0x4034
	#define WM831X_GPIO1_CONTROL 0x4038
	#define WM831X_GPIO2_CONTROL 0x4039
	#define WM831X_GPIO3_CONTROL 0x403A
	#define WM831X_GPIO4_CONTROL 0x403B
	#define WM831X_GPIO5_CONTROL 0x403C
	#define WM831X_GPIO6_CONTROL 0x403D
	#define WM831X_GPIO7_CONTROL 0x403E
	#define WM831X_GPIO8_CONTROL 0x403F
	#define WM831X_GPIO9_CONTROL 0x4040
	#define WM831X_GPIO10_CONTROL 0x4041
	#define WM831X_GPIO11_CONTROL 0x4042
	#define WM831X_GPIO12_CONTROL 0x4043
	#define WM831X_GPIO13_CONTROL 0x4044
	#define WM831X_GPIO14_CONTROL 0x4045
	#define WM831X_GPIO15_CONTROL 0x4046
	#define WM831X_GPIO16_CONTROL 0x4047
	#define WM831X_CHARGER_CONTROL_1 0x4048
	#define WM831X_CHARGER_CONTROL_2 0x4049
	#define WM831X_CHARGER_STATUS 0x404A
	#define WM831X_BACKUP_CHARGER_CONTROL 0x404B
	#define WM831X_STATUS_LED_1 0x404C
	#define WM831X_STATUS_LED_2 0x404D
	#define WM831X_CURRENT_SINK_1 0x404E
	#define WM831X_CURRENT_SINK_2 0x404F
	#define WM831X_DCDC_ENABLE 0x4050
	#define WM831X_LDO_ENABLE 0x4051
	#define WM831X_DCDC_STATUS 0x4052
	#define WM831X_LDO_STATUS 0x4053
	#define WM831X_DCDC_UV_STATUS 0x4054
	#define WM831X_LDO_UV_STATUS 0x4055
	#define WM831X_DC1_CONTROL_1 0x4056
	#define WM831X_DC1_CONTROL_2 0x4057
	#define WM831X_DC1_ON_CONFIG 0x4058
	#define WM831X_DC1_SLEEP_CONTROL 0x4059
	#define WM831X_DC1_DVS_CONTROL 0x405A
	#define WM831X_DC2_CONTROL_1 0x405B
	#define WM831X_DC2_CONTROL_2 0x405C
	#define WM831X_DC2_ON_CONFIG 0x405D
	#define WM831X_DC2_SLEEP_CONTROL 0x405E
	#define WM831X_DC2_DVS_CONTROL 0x405F
	#define WM831X_DC3_CONTROL_1 0x4060
	#define WM831X_DC3_CONTROL_2 0x4061
	#define WM831X_DC3_ON_CONFIG 0x4062
	#define WM831X_DC3_SLEEP_CONTROL 0x4063
	#define WM831X_DC4_CONTROL 0x4064
	#define WM831X_DC4_SLEEP_CONTROL 0x4065
	#define WM831X_EPE1_CONTROL 0x4066
	#define WM831X_EPE2_CONTROL 0x4067
	#define WM831X_LDO1_CONTROL 0x4068
	#define WM831X_LDO1_ON_CONTROL 0x4069
	#define WM831X_LDO1_SLEEP_CONTROL 0x406A
	#define WM831X_LDO2_CONTROL 0x406B
	#define WM831X_LDO2_ON_CONTROL 0x406C
	#define WM831X_LDO2_SLEEP_CONTROL 0x406D
	#define WM831X_LDO3_CONTROL 0x406E
	#define WM831X_LDO3_ON_CONTROL 0x406F
	#define WM831X_LDO3_SLEEP_CONTROL 0x4070
	#define WM831X_LDO4_CONTROL 0x4071
	#define WM831X_LDO4_ON_CONTROL 0x4072
	#define WM831X_LDO4_SLEEP_CONTROL 0x4073
	#define WM831X_LDO5_CONTROL 0x4074
	#define WM831X_LDO5_ON_CONTROL 0x4075
	#define WM831X_LDO5_SLEEP_CONTROL 0x4076
	#define WM831X_LDO6_CONTROL 0x4077
	#define WM831X_LDO6_ON_CONTROL 0x4078
	#define WM831X_LDO6_SLEEP_CONTROL 0x4079
	#define WM831X_LDO7_CONTROL 0x407A
	#define WM831X_LDO7_ON_CONTROL 0x407B
	#define WM831X_LDO7_SLEEP_CONTROL 0x407C
	#define WM831X_LDO8_CONTROL 0x407D
	#define WM831X_LDO8_ON_CONTROL 0x407E
	#define WM831X_LDO8_SLEEP_CONTROL 0x407F
	#define WM831X_LDO9_CONTROL 0x4080
	#define WM831X_LDO9_ON_CONTROL 0x4081
	#define WM831X_LDO9_SLEEP_CONTROL 0x4082
	#define WM831X_LDO10_CONTROL 0x4083
	#define WM831X_LDO10_ON_CONTROL 0x4084
	#define WM831X_LDO10_SLEEP_CONTROL 0x4085
	#define WM831X_LDO11_ON_CONTROL 0x4087
	#define WM831X_LDO11_SLEEP_CONTROL 0x4088
	#define WM831X_POWER_GOOD_SOURCE_1 0x408E
	#define WM831X_POWER_GOOD_SOURCE_2 0x408F
	#define WM831X_CLOCK_CONTROL_1 0x4090
	#define WM831X_CLOCK_CONTROL_2 0x4091
	#define WM831X_FLL_CONTROL_1 0x4092
	#define WM831X_FLL_CONTROL_2 0x4093
	#define WM831X_FLL_CONTROL_3 0x4094
	#define WM831X_FLL_CONTROL_4 0x4095
	#define WM831X_FLL_CONTROL_5 0x4096
	#define WM831X_UNIQUE_ID_1 0x7800
	#define WM831X_UNIQUE_ID_2 0x7801
	#define WM831X_UNIQUE_ID_3 0x7802
	#define WM831X_UNIQUE_ID_4 0x7803
	#define WM831X_UNIQUE_ID_5 0x7804
	#define WM831X_UNIQUE_ID_6 0x7805
	#define WM831X_UNIQUE_ID_7 0x7806
	#define WM831X_UNIQUE_ID_8 0x7807
	#define WM831X_FACTORY_OTP_ID 0x7808
	#define WM831X_FACTORY_OTP_1 0x7809
	#define WM831X_FACTORY_OTP_2 0x780A
	#define WM831X_FACTORY_OTP_3 0x780B
	#define WM831X_FACTORY_OTP_4 0x780C
	#define WM831X_FACTORY_OTP_5 0x780D
	#define WM831X_CUSTOMER_OTP_ID 0x7810
	#define WM831X_DC1_OTP_CONTROL 0x7811
	#define WM831X_DC2_OTP_CONTROL 0x7812
	#define WM831X_DC3_OTP_CONTROL 0x7813
	#define WM831X_LDO1_2_OTP_CONTROL 0x7814
	#define WM831X_LDO3_4_OTP_CONTROL 0x7815
	#define WM831X_LDO5_6_OTP_CONTROL 0x7816
	#define WM831X_LDO7_8_OTP_CONTROL 0x7817
	#define WM831X_LDO9_10_OTP_CONTROL 0x7818
	#define WM831X_LDO11_EPE_CONTROL 0x7819
	#define WM831X_GPIO1_OTP_CONTROL 0x781A
	#define WM831X_GPIO2_OTP_CONTROL 0x781B
	#define WM831X_GPIO3_OTP_CONTROL 0x781C
	#define WM831X_GPIO4_OTP_CONTROL 0x781D
	#define WM831X_GPIO5_OTP_CONTROL 0x781E
	#define WM831X_GPIO6_OTP_CONTROL 0x781F
	#define WM831X_DBE_CHECK_DATA 0x7827

	/*
	* R0 (0x00) - Reset ID
	*/
	#define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */
	#define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */
	#define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */

	/*
	* R1 (0x01) - Revision
	*/
	#define WM831X_PARENT_REV_MASK 0xFF00 /* PARENT_REV - [15:8] */
	#define WM831X_PARENT_REV_SHIFT 8 /* PARENT_REV - [15:8] */
	#define WM831X_PARENT_REV_WIDTH 8 /* PARENT_REV - [15:8] */
	#define WM831X_CHILD_REV_MASK 0x00FF /* CHILD_REV - [7:0] */
	#define WM831X_CHILD_REV_SHIFT 0 /* CHILD_REV - [7:0] */
	#define WM831X_CHILD_REV_WIDTH 8 /* CHILD_REV - [7:0] */

	/*
	* R16384 (0x4000) - Parent ID
	*/
	#define WM831X_PARENT_ID_MASK 0xFFFF /* PARENT_ID - [15:0] */
	#define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */
	#define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */

	/*
	* R16389 (0x4005) - ON Pin Control
	*/
	#define WM831X_ON_PIN_SECACT_MASK 0x0300 /* ON_PIN_SECACT - [9:8] */
	#define WM831X_ON_PIN_SECACT_SHIFT 8 /* ON_PIN_SECACT - [9:8] */
	#define WM831X_ON_PIN_SECACT_WIDTH 2 /* ON_PIN_SECACT - [9:8] */
	#define WM831X_ON_PIN_PRIMACT_MASK 0x0030 /* ON_PIN_PRIMACT - [5:4] */
	#define WM831X_ON_PIN_PRIMACT_SHIFT 4 /* ON_PIN_PRIMACT - [5:4] */
	#define WM831X_ON_PIN_PRIMACT_WIDTH 2 /* ON_PIN_PRIMACT - [5:4] */
	#define WM831X_ON_PIN_STS 0x0008 /* ON_PIN_STS */
	#define WM831X_ON_PIN_STS_MASK 0x0008 /* ON_PIN_STS */
	#define WM831X_ON_PIN_STS_SHIFT 3 /* ON_PIN_STS */
	#define WM831X_ON_PIN_STS_WIDTH 1 /* ON_PIN_STS */
	#define WM831X_ON_PIN_TO_MASK 0x0003 /* ON_PIN_TO - [1:0] */
	#define WM831X_ON_PIN_TO_SHIFT 0 /* ON_PIN_TO - [1:0] */
	#define WM831X_ON_PIN_TO_WIDTH 2 /* ON_PIN_TO - [1:0] */

	struct regulator_dev;

	struct wm831x {
	struct mutex io_lock;

	struct device *dev;
	int (read_dev)(struct wm831x wm831x, unsigned short reg,
	int bytes, void *dest);
	int (write_dev)(struct wm831x wm831x, unsigned short reg,
	int bytes, void *src);

	void *control_data;

	int irq; /* Our chip IRQ */
	struct mutex irq_lock;
	struct workqueue_struct *irq_wq;
	struct work_struct irq_work;
	unsigned int irq_base;
	int irq_masks[5];

	struct mutex auxadc_lock;

	/* The WM831x has a security key blocking access to certain
	* registers. The mutex is taken by the accessors for locking
	* and unlocking the security key, locked is used to fail
	* writes if the lock is held.
	*/
	struct mutex key_lock;
	unsigned int locked:1;
	};

	/* Device I/O API */
	int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);
	int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
	unsigned short val);
	void wm831x_reg_lock(struct wm831x *wm831x);
	int wm831x_reg_unlock(struct wm831x *wm831x);
	int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
	unsigned short mask, unsigned short val);
	int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
	int count, u16 *buf);

	int wm831x_irq_init(struct wm831x *wm831x, int irq);
	void wm831x_irq_exit(struct wm831x *wm831x);

	int __must_check wm831x_request_irq(struct wm831x *wm831x,
	unsigned int irq, irq_handler_t handler,
	unsigned long flags, const char *name,
	void *dev);
	void wm831x_free_irq(struct wm831x wm831x, unsigned int, void );
	void wm831x_disable_irq(struct wm831x *wm831x, int irq);
	void wm831x_enable_irq(struct wm831x *wm831x, int irq);

	#endif