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/*
* Copyright 2004-2012 Freescale Semiconductor, Inc. All Rights Reserved.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/*
* NOTICE: Currently, it only supports i.mx6q usb charger detect
*/
#ifndef __IMXUSB_CHARGER_H
#define __IMXUSB_CHARGER_H
#define HW_ANADIG_REG_3P0 (0x00000120)
#define HW_ANADIG_REG_3P0_SET (0x00000124)
#define HW_ANADIG_REG_3P0_CLR (0x00000128)
#define HW_ANADIG_REG_3P0_TOG (0x0000012c)
#define BM_ANADIG_REG_3P0_ENABLE_ILIMIT 0x00000004
#define BM_ANADIG_REG_3P0_ENABLE_LINREG 0x00000001
#define HW_ANADIG_USB1_VBUS_DETECT (0x000001a0)
#define HW_ANADIG_USB1_VBUS_DETECT_SET (0x000001a4)
#define HW_ANADIG_USB1_VBUS_DETECT_CLR (0x000001a8)
#define HW_ANADIG_USB1_VBUS_DETECT_TOG (0x000001ac)
#define BM_ANADIG_USB1_VBUS_DETECT_EN_CHARGER_RESISTOR 0x80000000
#define BP_ANADIG_USB1_VBUS_DETECT_RSVD2 28
#define BM_ANADIG_USB1_VBUS_DETECT_RSVD2 0x70000000
#define BF_ANADIG_USB1_VBUS_DETECT_RSVD2(v) \
(((v) << 28) & BM_ANADIG_USB1_VBUS_DETECT_RSVD2)
#define BM_ANADIG_USB1_VBUS_DETECT_CHARGE_VBUS 0x08000000
#define BM_ANADIG_USB1_VBUS_DETECT_DISCHARGE_VBUS 0x04000000
#define BP_ANADIG_USB1_VBUS_DETECT_RSVD1 21
#define BM_ANADIG_USB1_VBUS_DETECT_RSVD1 0x03E00000
#define BF_ANADIG_USB1_VBUS_DETECT_RSVD1(v) \
(((v) << 21) & BM_ANADIG_USB1_VBUS_DETECT_RSVD1)
#define BM_ANADIG_USB1_VBUS_DETECT_VBUSVALID_PWRUP_CMPS 0x00100000
#define BM_ANADIG_USB1_VBUS_DETECT_VBUSVALID_5VDETECT 0x00080000
#define BM_ANADIG_USB1_VBUS_DETECT_VBUSVALID_TO_B 0x00040000
#define BP_ANADIG_USB1_VBUS_DETECT_RSVD0 8
#define BM_ANADIG_USB1_VBUS_DETECT_RSVD0 0x0003FF00
#define BF_ANADIG_USB1_VBUS_DETECT_RSVD0(v) \
(((v) << 8) & BM_ANADIG_USB1_VBUS_DETECT_RSVD0)
#define BM_ANADIG_USB1_VBUS_DETECT_VBUSVALID_OVERRIDE 0x00000080
#define BM_ANADIG_USB1_VBUS_DETECT_AVALID_OVERRIDE 0x00000040
#define BM_ANADIG_USB1_VBUS_DETECT_BVALID_OVERRIDE 0x00000020
#define BM_ANADIG_USB1_VBUS_DETECT_SESSEND_OVERRIDE 0x00000010
#define BM_ANADIG_USB1_VBUS_DETECT_VBUS_OVERRIDE_EN 0x00000008
#define BP_ANADIG_USB1_VBUS_DETECT_VBUSVALID_THRESH 0
#define BM_ANADIG_USB1_VBUS_DETECT_VBUSVALID_THRESH 0x00000007
#define BF_ANADIG_USB1_VBUS_DETECT_VBUSVALID_THRESH(v) \
(((v) << 0) & BM_ANADIG_USB1_VBUS_DETECT_VBUSVALID_THRESH)
#define HW_ANADIG_USB1_CHRG_DETECT (0x000001b0)
#define HW_ANADIG_USB1_CHRG_DETECT_SET (0x000001b4)
#define HW_ANADIG_USB1_CHRG_DETECT_CLR (0x000001b8)
#define HW_ANADIG_USB1_CHRG_DETECT_TOG (0x000001bc)
#define BP_ANADIG_USB1_CHRG_DETECT_RSVD2 24
#define BM_ANADIG_USB1_CHRG_DETECT_RSVD2 0xFF000000
#define BF_ANADIG_USB1_CHRG_DETECT_RSVD2(v) \
(((v) << 24) & BM_ANADIG_USB1_CHRG_DETECT_RSVD2)
#define BM_ANADIG_USB1_CHRG_DETECT_BGR_BIAS 0x00800000
#define BP_ANADIG_USB1_CHRG_DETECT_RSVD1 21
#define BM_ANADIG_USB1_CHRG_DETECT_RSVD1 0x00600000
#define BF_ANADIG_USB1_CHRG_DETECT_RSVD1(v) \
(((v) << 21) & BM_ANADIG_USB1_CHRG_DETECT_RSVD1)
#define BM_ANADIG_USB1_CHRG_DETECT_EN_B 0x00100000
#define BM_ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B 0x00080000
#define BM_ANADIG_USB1_CHRG_DETECT_CHK_CONTACT 0x00040000
#define BP_ANADIG_USB1_CHRG_DETECT_RSVD0 1
#define BM_ANADIG_USB1_CHRG_DETECT_RSVD0 0x0003FFFE
#define BF_ANADIG_USB1_CHRG_DETECT_RSVD0(v) \
(((v) << 1) & BM_ANADIG_USB1_CHRG_DETECT_RSVD0)
#define BM_ANADIG_USB1_CHRG_DETECT_FORCE_DETECT 0x00000001
#define HW_ANADIG_USB1_VBUS_DET_STAT (0x000001c0)
#define HW_ANADIG_USB1_VBUS_DET_STAT_SET (0x000001c4)
#define HW_ANADIG_USB1_VBUS_DET_STAT_CLR (0x000001c8)
#define HW_ANADIG_USB1_VBUS_DET_STAT_TOG (0x000001cc)
#define BP_ANADIG_USB1_VBUS_DET_STAT_RSVD0 4
#define BM_ANADIG_USB1_VBUS_DET_STAT_RSVD0 0xFFFFFFF0
#define BF_ANADIG_USB1_VBUS_DET_STAT_RSVD0(v) \
(((v) << 4) & BM_ANADIG_USB1_VBUS_DET_STAT_RSVD0)
#define BM_ANADIG_USB1_VBUS_DET_STAT_VBUS_VALID 0x00000008
#define BM_ANADIG_USB1_VBUS_DET_STAT_AVALID 0x00000004
#define BM_ANADIG_USB1_VBUS_DET_STAT_BVALID 0x00000002
#define BM_ANADIG_USB1_VBUS_DET_STAT_SESSEND 0x00000001
#define HW_ANADIG_USB1_CHRG_DET_STAT (0x000001d0)
#define HW_ANADIG_USB1_CHRG_DET_STAT_SET (0x000001d4)
#define HW_ANADIG_USB1_CHRG_DET_STAT_CLR (0x000001d8)
#define HW_ANADIG_USB1_CHRG_DET_STAT_TOG (0x000001dc)
#define BP_ANADIG_USB1_CHRG_DET_STAT_RSVD0 4
#define BM_ANADIG_USB1_CHRG_DET_STAT_RSVD0 0xFFFFFFF0
#define BF_ANADIG_USB1_CHRG_DET_STAT_RSVD0(v) \
(((v) << 4) & BM_ANADIG_USB1_CHRG_DET_STAT_RSVD0)
#define BM_ANADIG_USB1_CHRG_DET_STAT_DP_STATE 0x00000008
#define BM_ANADIG_USB1_CHRG_DET_STAT_DM_STATE 0x00000004
#define BM_ANADIG_USB1_CHRG_DET_STAT_CHRG_DETECTED 0x00000002
#define BM_ANADIG_USB1_CHRG_DET_STAT_PLUG_CONTACT 0x00000001
#define HW_ANADIG_USB1_LOOPBACK (0x000001e0)
#define HW_ANADIG_USB1_LOOPBACK_SET (0x000001e4)
#define HW_ANADIG_USB1_LOOPBACK_CLR (0x000001e8)
#define HW_ANADIG_USB1_LOOPBACK_TOG (0x000001ec)
#define BP_ANADIG_USB1_LOOPBACK_RSVD0 9
#define BM_ANADIG_USB1_LOOPBACK_RSVD0 0xFFFFFE00
#define BF_ANADIG_USB1_LOOPBACK_RSVD0(v) \
(((v) << 9) & BM_ANADIG_USB1_LOOPBACK_RSVD0)
#define BM_ANADIG_USB1_LOOPBACK_UTMO_DIG_TST1 0x00000100
#define BM_ANADIG_USB1_LOOPBACK_UTMO_DIG_TST0 0x00000080
#define BM_ANADIG_USB1_LOOPBACK_TSTI_TX_HIZ 0x00000040
#define BM_ANADIG_USB1_LOOPBACK_TSTI_TX_EN 0x00000020
#define BM_ANADIG_USB1_LOOPBACK_TSTI_TX_LS_MODE 0x00000010
#define BM_ANADIG_USB1_LOOPBACK_TSTI_TX_HS_MODE 0x00000008
#define BM_ANADIG_USB1_LOOPBACK_UTMI_DIG_TST1 0x00000004
#define BM_ANADIG_USB1_LOOPBACK_UTMI_DIG_TST0 0x00000002
#define BM_ANADIG_USB1_LOOPBACK_UTMI_TESTSTART 0x00000001
#define HW_ANADIG_USB1_MISC (0x000001f0)
#define HW_ANADIG_USB1_MISC_SET (0x000001f4)
#define HW_ANADIG_USB1_MISC_CLR (0x000001f8)
#define HW_ANADIG_USB1_MISC_TOG (0x000001fc)
#define BM_ANADIG_USB1_MISC_RSVD1 0x80000000
#define BM_ANADIG_USB1_MISC_EN_CLK_UTMI 0x40000000
#define BM_ANADIG_USB1_MISC_RX_VPIN_FS 0x20000000
#define BM_ANADIG_USB1_MISC_RX_VMIN_FS 0x10000000
#define BM_ANADIG_USB1_MISC_RX_RXD_FS 0x08000000
#define BM_ANADIG_USB1_MISC_RX_SQUELCH 0x04000000
#define BM_ANADIG_USB1_MISC_RX_DISCON_DET 0x02000000
#define BM_ANADIG_USB1_MISC_RX_HS_DATA 0x01000000
#define BP_ANADIG_USB1_MISC_RSVD0 2
#define BM_ANADIG_USB1_MISC_RSVD0 0x00FFFFFC
#define BF_ANADIG_USB1_MISC_RSVD0(v) \
(((v) << 2) & BM_ANADIG_USB1_MISC_RSVD0)
#define BM_ANADIG_USB1_MISC_EN_DEGLITCH 0x00000002
#define BM_ANADIG_USB1_MISC_HS_USE_EXTERNAL_R 0x00000001
#include <linux/power_supply.h>
enum battery_charging_spec {
BATTERY_CHARGING_SPEC_NONE = 0,
BATTERY_CHARGING_SPEC_UNKNOWN,
BATTERY_CHARGING_SPEC_1_0,
BATTERY_CHARGING_SPEC_1_1,
BATTERY_CHARGING_SPEC_1_2,
};
struct usb_charger {
void __iomem *charger_base_addr; /* Get from MSL if exists */
struct device *dev; /* udc supplies */
/* charger detect can be enabled/disabled by kernel config */
bool enable;
struct power_supply psy;
struct work_struct work;
struct mutex lock;
/* Compliant with Battery Charging Specification version (if any) */
enum battery_charging_spec bc;
/* properties */
unsigned present:1;
unsigned online:1;
unsigned max_current;
/* pull up/down dp during the charger detect, udc supplies */
void (*dp_pullup)(bool);
int (*connect)(struct usb_charger *charger);
int (*disconnect)(struct usb_charger *charger);
int (*set_power)(struct usb_charger *charger, unsigned mA);
int (*detect)(struct usb_charger *charger);
};
static char *usb_charger_supplied_to[] = {
"imx_usb_charger",
};
static enum power_supply_property power_props[] = {
POWER_SUPPLY_PROP_PRESENT, /* Charger detected */
POWER_SUPPLY_PROP_ONLINE, /* VBUS online */
POWER_SUPPLY_PROP_CURRENT_MAX, /* Maximum current in mA */
};
#endif /* __IMXUSB_CHARGER_H */
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