blob: 078160e66e74fc98a3fe1a2c5ae4357306416415 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* Copyright 2018 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* TI bq25710 battery charger driver.
*/
#ifndef __CROS_EC_BQ25710_H
#define __CROS_EC_BQ25710_H
/* SMBUS Interface */
#define BQ25710_SMBUS_ADDR1_FLAGS 0x09
#define BQ25710_BC12_MIN_VOLTAGE_MV 1408
/* Registers */
#define BQ25710_REG_CHARGE_OPTION_0 0x12
#define BQ25710_REG_CHARGE_CURRENT 0x14
#define BQ25710_REG_MAX_CHARGE_VOLTAGE 0x15
#define BQ25710_REG_CHARGER_STATUS 0x20
#define BQ25710_REG_PROCHOT_STATUS 0x21
#define BQ25710_REG_IIN_DPM 0x22
#define BQ25710_REG_ADC_VBUS_PSYS 0x23
#define BQ25710_REG_ADC_IBAT 0x24
#define BQ25710_REG_ADC_CMPIN_IIN 0x25
#define BQ25710_REG_ADC_VSYS_VBAT 0x26
#define BQ25710_REG_CHARGE_OPTION_1 0x30
#define BQ25710_REG_CHARGE_OPTION_2 0x31
#define BQ25710_REG_CHARGE_OPTION_3 0x32
#define BQ25710_REG_PROCHOT_OPTION_0 0x33
#define BQ25710_REG_PROCHOT_OPTION_1 0x34
#define BQ25710_REG_ADC_OPTION 0x35
#define BQ25720_REG_CHARGE_OPTION_4 0x36
#define BQ25720_REG_VMIN_ACTIVE_PROTECTION 0x37
#define BQ25710_REG_OTG_VOLTAGE 0x3B
#define BQ25710_REG_OTG_CURRENT 0x3C
#define BQ25710_REG_INPUT_VOLTAGE 0x3D
#define BQ25710_REG_MIN_SYSTEM_VOLTAGE 0x3E
#define BQ25710_REG_IIN_HOST 0x3F
#define BQ25710_REG_MANUFACTURER_ID 0xFE
#define BQ25710_REG_DEVICE_ADDRESS 0xFF
/* ADC conversion time ins ms */
#if defined(CONFIG_CHARGER_BQ25720)
#define BQ25710_ADC_OPTION_ADC_CONV_MS 25
#elif defined(CONFIG_CHARGER_BQ25710)
#define BQ25710_ADC_OPTION_ADC_CONV_MS 10
#else
#error Only the BQ25720 and BQ25710 are supported by bq25710 driver.
#endif
/* ADCVBUS/PSYS Register */
#if defined(CONFIG_CHARGER_BQ25720)
#define BQ25720_ADC_VBUS_STEP_MV 96
#elif defined(CONFIG_CHARGER_BQ25710)
#define BQ25710_ADC_VBUS_STEP_MV 64
#define BQ25710_ADC_VBUS_BASE_MV 3200
#else
#error Only the BQ25720 and BQ25710 are supported by bq25710 driver.
#endif
/* Min System Voltage Register */
#define BQ25710_MIN_SYSTEM_VOLTAGE_STEP_MV 256
#define BQ25720_VSYS_MIN_VOLTAGE_STEP_MV 100
extern const struct charger_drv bq25710_drv;
/**
* Set VSYS_MIN
*
* @param chgnum: Index into charger chips
* @param mv: min system voltage in mV
* @return EC_SUCCESS or error
*/
int bq25710_set_min_system_voltage(int chgnum, int mv);
#endif /* __CROS_EC_BQ25710_H */
|
