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linux-next/include/linux/mfd/ab4500.h
Srinidhi Kasagar 0c41839e98 mfd: add AB4500 driver 
This adds core driver support for AB4500 mixed signal
multimedia & power management chip. This connects to U8500
on the SSP (pl022) and exports read/write functions for
the device to get access to this chip. This also registers
the client devices and sets the parent.

Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Reviewed-by: Mark Brown <broonie@sirena.org.uk>
Reviewed-by: Jean-Christophe <plagnioj@jcrosoft.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2009-12-13 19:20:38 +01:00

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/*
* Copyright (C) 2009 ST-Ericsson
*
* Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* AB4500 device core funtions, for client access
*/
#ifndef MFD_AB4500_H
#define MFD_AB4500_H
#include <linux/device.h>
/*
* AB4500 bank addresses
*/
#define AB4500_SYS_CTRL1_BLOCK 0x1
#define AB4500_SYS_CTRL2_BLOCK 0x2
#define AB4500_REGU_CTRL1 0x3
#define AB4500_REGU_CTRL2 0x4
#define AB4500_USB 0x5
#define AB4500_TVOUT 0x6
#define AB4500_DBI 0x7
#define AB4500_ECI_AV_ACC 0x8
#define AB4500_RESERVED 0x9
#define AB4500_GPADC 0xA
#define AB4500_CHARGER 0xB
#define AB4500_GAS_GAUGE 0xC
#define AB4500_AUDIO 0xD
#define AB4500_INTERRUPT 0xE
#define AB4500_RTC 0xF
#define AB4500_MISC 0x10
#define AB4500_DEBUG 0x12
#define AB4500_PROD_TEST 0x13
#define AB4500_OTP_EMUL 0x15
/*
* System control 1 register offsets.
* Bank = 0x01
*/
#define AB4500_TURNON_STAT_REG 0x0100
#define AB4500_RESET_STAT_REG 0x0101
#define AB4500_PONKEY1_PRESS_STAT_REG 0x0102
#define AB4500_FSM_STAT1_REG 0x0140
#define AB4500_FSM_STAT2_REG 0x0141
#define AB4500_SYSCLK_REQ_STAT_REG 0x0142
#define AB4500_USB_STAT1_REG 0x0143
#define AB4500_USB_STAT2_REG 0x0144
#define AB4500_STATUS_SPARE1_REG 0x0145
#define AB4500_STATUS_SPARE2_REG 0x0146
#define AB4500_CTRL1_REG 0x0180
#define AB4500_CTRL2_REG 0x0181
/*
* System control 2 register offsets.
* bank = 0x02
*/
#define AB4500_CTRL3_REG 0x0200
#define AB4500_MAIN_WDOG_CTRL_REG 0x0201
#define AB4500_MAIN_WDOG_TIMER_REG 0x0202
#define AB4500_LOW_BAT_REG 0x0203
#define AB4500_BATT_OK_REG 0x0204
#define AB4500_SYSCLK_TIMER_REG 0x0205
#define AB4500_SMPSCLK_CTRL_REG 0x0206
#define AB4500_SMPSCLK_SEL1_REG 0x0207
#define AB4500_SMPSCLK_SEL2_REG 0x0208
#define AB4500_SMPSCLK_SEL3_REG 0x0209
#define AB4500_SYSULPCLK_CONF_REG 0x020A
#define AB4500_SYSULPCLK_CTRL1_REG 0x020B
#define AB4500_SYSCLK_CTRL_REG 0x020C
#define AB4500_SYSCLK_REQ1_VALID_REG 0x020D
#define AB4500_SYSCLK_REQ_VALID_REG 0x020E
#define AB4500_SYSCTRL_SPARE_REG 0x020F
#define AB4500_PAD_CONF_REG 0x0210
/*
* Regu control1 register offsets
* Bank = 0x03
*/
#define AB4500_REGU_SERIAL_CTRL1_REG 0x0300
#define AB4500_REGU_SERIAL_CTRL2_REG 0x0301
#define AB4500_REGU_SERIAL_CTRL3_REG 0x0302
#define AB4500_REGU_REQ_CTRL1_REG 0x0303
#define AB4500_REGU_REQ_CTRL2_REG 0x0304
#define AB4500_REGU_REQ_CTRL3_REG 0x0305
#define AB4500_REGU_REQ_CTRL4_REG 0x0306
#define AB4500_REGU_MISC1_REG 0x0380
#define AB4500_REGU_OTGSUPPLY_CTRL_REG 0x0381
#define AB4500_REGU_VUSB_CTRL_REG 0x0382
#define AB4500_REGU_VAUDIO_SUPPLY_REG 0x0383
#define AB4500_REGU_CTRL1_SPARE_REG 0x0384
/*
* Regu control2 Vmod register offsets
*/
#define AB4500_REGU_VMOD_REGU_REG 0x0440
#define AB4500_REGU_VMOD_SEL1_REG 0x0441
#define AB4500_REGU_VMOD_SEL2_REG 0x0442
#define AB4500_REGU_CTRL_DISCH_REG 0x0443
#define AB4500_REGU_CTRL_DISCH2_REG 0x0444
/*
* USB/ULPI register offsets
* Bank : 0x5
*/
#define AB4500_USB_LINE_STAT_REG 0x0580
#define AB4500_USB_LINE_CTRL1_REG 0x0581
#define AB4500_USB_LINE_CTRL2_REG 0x0582
#define AB4500_USB_LINE_CTRL3_REG 0x0583
#define AB4500_USB_LINE_CTRL4_REG 0x0584
#define AB4500_USB_LINE_CTRL5_REG 0x0585
#define AB4500_USB_OTG_CTRL_REG 0x0587
#define AB4500_USB_OTG_STAT_REG 0x0588
#define AB4500_USB_OTG_STAT_REG 0x0588
#define AB4500_USB_CTRL_SPARE_REG 0x0589
#define AB4500_USB_PHY_CTRL_REG 0x058A
/*
* TVOUT / CTRL register offsets
* Bank : 0x06
*/
#define AB4500_TVOUT_CTRL_REG 0x0680
/*
* DBI register offsets
* Bank : 0x07
*/
#define AB4500_DBI_REG1_REG 0x0700
#define AB4500_DBI_REG2_REG 0x0701
/*
* ECI regsiter offsets
* Bank : 0x08
*/
#define AB4500_ECI_CTRL_REG 0x0800
#define AB4500_ECI_HOOKLEVEL_REG 0x0801
#define AB4500_ECI_DATAOUT_REG 0x0802
#define AB4500_ECI_DATAIN_REG 0x0803
/*
* AV Connector register offsets
* Bank : 0x08
*/
#define AB4500_AV_CONN_REG 0x0840
/*
* Accessory detection register offsets
* Bank : 0x08
*/
#define AB4500_ACC_DET_DB1_REG 0x0880
#define AB4500_ACC_DET_DB2_REG 0x0881
/*
* GPADC register offsets
* Bank : 0x0A
*/
#define AB4500_GPADC_CTRL1_REG 0x0A00
#define AB4500_GPADC_CTRL2_REG 0x0A01
#define AB4500_GPADC_CTRL3_REG 0x0A02
#define AB4500_GPADC_AUTO_TIMER_REG 0x0A03
#define AB4500_GPADC_STAT_REG 0x0A04
#define AB4500_GPADC_MANDATAL_REG 0x0A05
#define AB4500_GPADC_MANDATAH_REG 0x0A06
#define AB4500_GPADC_AUTODATAL_REG 0x0A07
#define AB4500_GPADC_AUTODATAH_REG 0x0A08
#define AB4500_GPADC_MUX_CTRL_REG 0x0A09
/*
* Charger / status register offfsets
* Bank : 0x0B
*/
#define AB4500_CH_STATUS1_REG 0x0B00
#define AB4500_CH_STATUS2_REG 0x0B01
#define AB4500_CH_USBCH_STAT1_REG 0x0B02
#define AB4500_CH_USBCH_STAT2_REG 0x0B03
#define AB4500_CH_FSM_STAT_REG 0x0B04
#define AB4500_CH_STAT_REG 0x0B05
/*
* Charger / control register offfsets
* Bank : 0x0B
*/
#define AB4500_CH_VOLT_LVL_REG 0x0B40
/*
* Charger / main control register offfsets
* Bank : 0x0B
*/
#define AB4500_MCH_CTRL1 0x0B80
#define AB4500_MCH_CTRL2 0x0B81
#define AB4500_MCH_IPT_CURLVL_REG 0x0B82
#define AB4500_CH_WD_REG 0x0B83
/*
* Charger / USB control register offsets
* Bank : 0x0B
*/
#define AB4500_USBCH_CTRL1_REG 0x0BC0
#define AB4500_USBCH_CTRL2_REG 0x0BC1
#define AB4500_USBCH_IPT_CRNTLVL_REG 0x0BC2
/*
* RTC bank register offsets
* Bank : 0xF
*/
#define AB4500_RTC_SOFF_STAT_REG 0x0F00
#define AB4500_RTC_CC_CONF_REG 0x0F01
#define AB4500_RTC_READ_REQ_REG 0x0F02
#define AB4500_RTC_WATCH_TSECMID_REG 0x0F03
#define AB4500_RTC_WATCH_TSECHI_REG 0x0F04
#define AB4500_RTC_WATCH_TMIN_LOW_REG 0x0F05
#define AB4500_RTC_WATCH_TMIN_MID_REG 0x0F06
#define AB4500_RTC_WATCH_TMIN_HI_REG 0x0F07
#define AB4500_RTC_ALRM_MIN_LOW_REG 0x0F08
#define AB4500_RTC_ALRM_MIN_MID_REG 0x0F09
#define AB4500_RTC_ALRM_MIN_HI_REG 0x0F0A
#define AB4500_RTC_STAT_REG 0x0F0B
#define AB4500_RTC_BKUP_CHG_REG 0x0F0C
#define AB4500_RTC_FORCE_BKUP_REG 0x0F0D
#define AB4500_RTC_CALIB_REG 0x0F0E
#define AB4500_RTC_SWITCH_STAT_REG 0x0F0F
/*
* PWM Out generators
* Bank: 0x10
*/
#define AB4500_PWM_OUT_CTRL1_REG 0x1060
#define AB4500_PWM_OUT_CTRL2_REG 0x1061
#define AB4500_PWM_OUT_CTRL3_REG 0x1062
#define AB4500_PWM_OUT_CTRL4_REG 0x1063
#define AB4500_PWM_OUT_CTRL5_REG 0x1064
#define AB4500_PWM_OUT_CTRL6_REG 0x1065
#define AB4500_PWM_OUT_CTRL7_REG 0x1066
#define AB4500_I2C_PAD_CTRL_REG 0x1067
#define AB4500_REV_REG 0x1080
/**
* struct ab4500
* @spi: spi device structure
* @tx_buf: transmit buffer
* @rx_buf: receive buffer
* @lock: sync primitive
*/
struct ab4500 {
struct spi_device *spi;
unsigned long tx_buf[4];
unsigned long rx_buf[4];
struct mutex lock;
};
int ab4500_write(struct ab4500 *ab4500, unsigned char block,
unsigned long addr, unsigned char data);
int ab4500_read(struct ab4500 *ab4500, unsigned char block,
unsigned long addr);
#endif /* MFD_AB4500_H */
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