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/* Copyright 2018 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* TI bq25703 battery charger driver.
*/
#ifndef __CROS_EC_BQ25703_H
#define __CROS_EC_BQ25703_H
/* I2C Interface */
#define BQ25703_I2C_ADDR1 0xD6
/*
* BC1.2 minimum voltage threshold for BQ25703.
* BC1.2 charging port output voltage range is 4.75V to 5.25V,
* BQ25703 Input Voltage Accuracy is -2% to +2% (-95mV to +95mV)
* 4750mV - 95mV => 4655mV - 3200 (offset reg 0x0A) => 1455mv
* 1455mv & 0x1FC0 = 1408 (data for register 0x0A)
*/
#define BQ25703_BC12_MIN_VOLTAGE_MV 1408
/* Registers */
/* ChargeOption0 Register */
#define BQ25703_REG_CHARGE_OPTION_0 0x00
#define BQ25703_CHARGE_OPTION_0_LOW_POWER_MODE BIT(15)
#define BQ25703_CHARGE_OPTION_0_EN_LEARN BIT(5)
#define BQ25703_CHARGE_OPTION_0_CHRG_INHIBIT BIT(0)
#define BQ25703_REG_CHARGE_CURRENT 0x02
#define BQ25703_REG_MAX_CHARGE_VOLTAGE 0x04
#define BQ25703_REG_CHARGE_OPTION_1 0x30
/* ChargeOption2 Register */
#define BQ25703_REG_CHARGE_OPTION_2 0x32
#define BQ25703_CHARGE_OPTION_2_EN_EXTILIM BIT(7)
/* ChargeOption3 Register */
#define BQ25703_REG_CHARGE_OPTION_3 0x34
#define BQ25703_CHARGE_OPTION_3_EN_ICO_MODE BIT(11)
#define BQ25703_REG_PROCHOT_OPTION_0 0x36
#define BQ25703_REG_PROCHOT_OPTION_1 0x38
/* ADCOption Register */
#define BQ25703_REG_ADC_OPTION 0x3A
#define BQ25703_ADC_OPTION_ADC_START BIT(14)
#define BQ25703_ADC_OPTION_EN_ADC_IIN BIT(4)
/* ChargeStatus Register */
#define BQ25703_REG_CHARGER_STATUS 0x20
#define BQ25703_CHARGE_STATUS_ICO_DONE BIT(14)
#define BQ25703_REG_PROCHOT_STATUS 0x22
#define BQ25703_REG_IIN_DPM 0x25
#define BQ25703_REG_ADC_PSYS 0x26
#define BQ25703_REG_ADC_VBUS 0x27
#define BQ25703_REG_ADC_IBAT 0x28
#define BQ25703_REG_ADC_CMPIN 0x2A
/* ADCIIN Register */
#define BQ25703_REG_ADC_IIN 0x2B
#define BQ25703_ADC_IIN_STEP_MA 50
#define BQ25703_REG_ADC_VSYS_VBAT 0x2C
#define BQ25703_REG_OTG_VOLTAGE 0x06
#define BQ25703_REG_OTG_CURRENT 0x08
#define BQ25703_REG_INPUT_VOLTAGE 0x0A
#define BQ25703_REG_MIN_SYSTEM_VOLTAGE 0x0C
#define BQ25703_REG_IIN_HOST 0x0F
#define BQ25703_REG_MANUFACTURER_ID 0x2E
#define BQ25703_REG_DEVICE_ADDRESS 0x2F
#endif /* __CROS_EC_BQ25703_H */
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