246 lines
13 KiB
C
246 lines
13 KiB
C
/****************************************************************************
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* include/nuttx/power/bq2429x.h
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* Lower half driver for BQ2429X battery charger
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*
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* Copyright (C) 2017 Neil Hancock. All rights reserved.
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*
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* Copyright (C) 2017 Haltian Ltd. All rights reserved.
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* Author: Juha Niskanen <juha.niskanen@haltian.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_POWER_BQ2429X_H
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#define __DRIVERS_POWER_BQ2429X_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Auxiliary Definitions */
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#define BQ2429X_VOLTCHG_MIN 3504
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#define BQ2429X_VOLTCHG_MAX 4400
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#define BQ2429X_CURRCHG_MIN 512
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#define BQ2429X_CURRCHG_MAX 3008
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/* BQ2429X Register Definitions *********************************************/
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#define BQ2429X_REG00 0x00
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#define BQ2429X_REG01 0x01
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#define BQ2429X_REG02 0x02
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#define BQ2429X_REG03 0x03
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#define BQ2429X_REG04 0x04
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#define BQ2429X_REG05 0x05
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#define BQ2429X_REG06 0x06
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#define BQ2429X_REG07 0x07
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#define BQ2429X_REG08 0x08
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#define BQ2429X_REG09 0x09
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#define BQ2429X_REG0A 0x0a
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/* REG00 Input Source Control Register */
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/* For enabling Device Shutdown for shipping - EN_HIZ=1 until QON pressed */
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#define BQ2429XR1_EN_HIZ (1 << 7) /* 0 Disable (default) 1 Enable HighZ on battery, powerdown */
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/* Dynamic Power Management - Indicated in StatusReg DPM_STAT REG08[3]
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* VINDPM - Input Voltage threshold (a drop below 5V) that triggers DPM
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* INLIM - Input current threshold that triggers DPM
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*/
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#define BQ2429XR0_VINDPM_SHIFT 3 /* VIN DPM Offset 5V? Range*/
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#define BQ2429XR0_VINDPM_MASK (0xf << BQ2429XR0_VINDPM_SHIFT)
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# define BQ2429XR0_VINDPM3_080mV (1 << BQ2429XR0_VINDPM_SHIFT)
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# define BQ2429XR0_VINDPM2_160mV (2 << BQ2429XR0_VINDPM_SHIFT)
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# define BQ2429XR0_VINDPM1_320mV (4 << BQ2429XR0_VINDPM_SHIFT)
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# define BQ2429XR0_VINDPM0_640mV (8 << BQ2429XR0_VINDPM_SHIFT)
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#define BQ2429XR0_INLIM_SHIFT 0 /* Input Current Limit - lower of I2C & ILIM */
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#define BQ2429XR0_INLIM_MASK (0x7 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_0100MA (0x0 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_0150MA (0x1 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_0500MA (0x2 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_0900MA (0x3 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_1000MA (0x4 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_1500MA (0x5 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_2000MA (0x6 << BQ2429XR0_INLIM_SHIFT)
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# define BQ2429XR0_INLIM_3000MA (0x7 << BQ2429XR0_INLIM_SHIFT)
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/* REG01 Power-On Configuration Register */
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#define BQ2429XR1_REG_RESET (1 << 7) /* Write 1 to Reset all registers to default values */
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#define BQ2429XR1_DOG_RESET (1 << 6) /* Write 1 for watchdog timer reset */
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#define BQ2429XR1_OTG_CONFIG (1 << 5) /* =0 Disable (default) =1 Enable See description */
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#define BQ2429XR1_CHG_CONFIG (1 << 4) /* =0 Disable =1 Enable (default) See description */
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#define BQ2429XR1_SYS_MINV_SHIFT 1 /* Min Sys Voltage Limit. Offset 3.0V Range 3-3.7V */
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#define BQ2429XR1_SYS_MINV_MASK (7 << BQ2429XR1_SYS_MINV_SHIFT)
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#define BQ2429XR1_SYS_MINV0_0_1V (1 << BQ2429XR1_SYS_MINV_SHIFT)
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#define BQ2429XR1_SYS_MINV0_0_2V (2 << BQ2429XR1_SYS_MINV_SHIFT)
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#define BQ2429XR1_SYS_MINV0_0_4V (4 << BQ2429XR1_SYS_MINV_SHIFT)
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#define BQ2429XR2_BOOST_LIM (1 << 0) /* 0=1A, 1=1.5A (default) Vout Boost Current Limit */
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/* REG02 Charge Current Control */
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#define BQ2429XR2_ICHG_SHIFT 2
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#define BQ2429XR2_ICHG_MASK (0x3f << BQ2429XR2_ICHG_SHIFT)
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#define BQ2429XR2_BCOLD (1 << 1) /* Boost Mode temperature threshold config for boost disable 0=76% 1=79% */
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#define BQ2429XR2_FORCE_20PCT (1 << 0) /* Charge type 0=Fast (default), 1=Trickle charge with 20% current */
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/* REG03 Pre-charge Termination Control Register */
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#define BQ2429XR3_IPRECHG_SHIFT 4 /* Precharge I Limit. Offset 128mA Range 128-2048 mA */
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#define BQ2429XR3_IPRECHG_MASK (0xf << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0128MA (0x00 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0128MA (0x01 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0256MA (0x02 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0384MA (0x03 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0512MA (0x04 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0768MA (0x05 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_0896MA (0x06 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1024MA (0x07 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1152MA (0x10 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1280MA (0x11 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1408MA (0x12 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1536MA (0x13 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1664MA (0x14 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1792MA (0x15 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_1920MA (0x16 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_IPRECHG_2048MA (0x17 << BQ2429XR3_IPRECHG_SHIFT)
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#define BQ2429XR3_ITERM_SHIFT 0 /* Offset 128mA Range 128-2048 mA (128-1024 mA in BQ24296M )*/
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#define BQ2429XR3_ITERM_MASK (0xf << BQ2429XR3_ITERM_SHIFT)
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#define BQ2429XR3_ITERM0_128MA (1 << BQ2429XR3_ITERM_SHIFT)
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#define BQ2429XR3_ITERM0_256MA (2 << BQ2429XR3_ITERM_SHIFT)
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#define BQ2429XR3_ITERM0_512MA (4 << BQ2429XR3_ITERM_SHIFT)
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#define BQ2429XR3_ITERM0_1024MA (8 << BQ2429XR3_ITERM_SHIFT) /* Reserved in BQ24296M */
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/* REG04 Charge Voltage Control Register */
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#define BQ2429XR4_VREG_SHIFT 2 /* Offset 3.504V Range 3.504-4.400V Default 4.208V */
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#define BQ2429XR4_VREG_MASK (0x3f<< BQ2429XR4_VREG_SHIFT)
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#define BQ2429XR4_BATLOWV (1 << 1) /* 0=2.8V 1=3.0V Pre-charge to fast Charge */
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#define BQ2429XR4_VRECHG (1 << 0) /* 0=100mV 1=300mV */
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/* REG05 Charge Termination Timer Control Register */
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#define BQ2429XR5_EN_TERM (1 << 7) /* 0=Disable 1=Enable(default) terminate of charge */
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#define BQ2429XR5_RESERVED6 (1 << 6)
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#define BQ2429XR5_WATCHDOG_SHIFT 4 /* Watchdog Timer Settings */
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#define BQ2429XR5_WATCHDOG_MASK (3 << BQ2429XR5_WATCHDOG_SHIFT)
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# define BQ2429XR5_WATCHDOG_DIS (0 << BQ2429XR5_WATCHDOG_SHIFT)
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# define BQ2429XR5_WATCHDOG_040SEC (1 << BQ2429XR5_WATCHDOG_SHIFT)
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# define BQ2429XR5_WATCHDOG_080SEC (2 << BQ2429XR5_WATCHDOG_SHIFT)
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# define BQ2429XR5_WATCHDOG_160SEC (3 << BQ2429XR5_WATCHDOG_SHIFT)
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#define BQ2429XR5_EN_TIMER (1 << 3) /* 0=Disable 1=Enable(default) */
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/* Fast Charge Timer Settings */
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#define BQ2429XR5_CHG_TIMER_SHIFT 1
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#define BQ2429XR5_CHG_TIMER_MASK (3 << BQ2429XR5_CHG_TIMER_SHIFT)
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# define BQ2429XR5_CHG_TIMER_05hrs (0 << BQ2429XR5_CHG_TIMER_SHIFT)
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# define BQ2429XR5_CHG_TIMER_08hrs (1 << BQ2429XR5_CHG_TIMER_SHIFT)
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# define BQ2429XR5_CHG_TIMER_12hrs (2 << BQ2429XR5_CHG_TIMER_SHIFT)
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# define BQ2429XR5_CHG_TIMER_20hrs (3 << BQ2429XR5_CHG_TIMER_SHIFT)
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#define BQ2429XR5_RESERVED0 (1 << 0)
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/* REG06 Boost Voltage/Thermal Regulation Control register */
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#define BQ2429XR6_BOOSTV_SHIFT 4 /* Offset 4.55V Range 4.55-5.51A Dev 4.998V(0111) */
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#define BQ2429XR6_BOOSTV_MASK (0xf << BQ2429XR6_BOOSTV_SHIFT)
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# define BQ2429XR6_BOOSTV_064mV (1 << BQ2429XR6_BOOSTV_SHIFT)
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# define BQ2429XR6_BOOSTV_128mV (2 << BQ2429XR6_BOOSTV_SHIFT)
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# define BQ2429XR6_BOOSTV_256mV (4 << BQ2429XR6_BOOSTV_SHIFT)
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# define BQ2429XR6_BOOSTV_512mV (8 << BQ2429XR6_BOOSTV_SHIFT)
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#define BQ2429XR6_BHOT_SHIFT 2 /* Boost Mode temp threshold */
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#define BQ2429XR6_BHOT_MASK (3 << BQ2429XR6_BHOT_SHIFT)
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# define BQ2429XR6_BHOT_55C (0 << BQ2429XR6_BHOT_SHIFT)
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# define BQ2429XR6_BHOT_60C (1 << BQ2429XR6_BHOT_SHIFT)
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# define BQ2429XR6_BHOT_65C (2 << BQ2429XR6_BHOT_SHIFT)
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# define BQ2429XR6_BHOT_DISABLE (3 << BQ2429XR6_BHOT_SHIFT)
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#define BQ2429XR6_TREG_SHIFT 0 /* Thermal Regulation */
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#define BQ2429XR6_TREG_MASK (3 << BQ2429XR6_TREG_SHIFT)
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# define BQ2429XR6_TREG_060C (0 << BQ2429XR6_TREG_SHIFT)
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# define BQ2429XR6_TREG_080C (1 << BQ2429XR6_TREG_SHIFT)
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# define BQ2429XR6_TREG_100C (2 << BQ2429XR6_TREG_SHIFT)
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# define BQ2429XR6_TREG_110C (3 << BQ2429XR6_TREG_SHIFT)
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/* REG07 Misc Operation Control Register */
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#define BQ2429XR7_DPDM_EN (1 << 7) /* 1=Force Detection when VBUS power is present */
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#define BQ2429XR7_TMR2X_EN (1 << 6) /* 1=Safety Timer slowed by 2X during DPM/Thermal regulation */
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#define BQ2429XR7_BATFET_DISABLE (1 << 5) /* 1=BATFET (Q4) turn off */
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#define BQ2429XR7_RESERVED4 (1 << 4)
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#define BQ2429XR7_RESERVED3 (1 << 3)
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#define BQ2429XR7_RESERVED2 (1 << 2)
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#define BQ2429XR7_INT_MASK1 (1 << 1) /* =1 (default) INT on CHRG_FAULT */
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#define BQ2429XR7_INT_MASK0 (1 << 0) /* =1 (default) INT on BAT_FAULT */
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/* REG08 Systems Status Register */
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#define BQ2429XR8_VBUS_STAT_SHIFT 6 /* VBUS Connection Type */
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#define BQ2429XR8_VBUS_STAT_MASK (3 << BQ2429XR8_VBUS_STAT_SHIFT)
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# define BQ2429XR8_VBUS_STAT_UNKNOWN (0 << BQ2429XR8_VBUS_STAT_SHIFT)
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# define BQ2429XR8_VBUS_STAT_USBH (1 << BQ2429XR8_VBUS_STAT_SHIFT)
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# define BQ2429XR8_VBUS_STAT_ADAPTER (2 << BQ2429XR8_VBUS_STAT_SHIFT)
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# define BQ2429XR8_VBUS_STAT_OTG (3 << BQ2429XR8_VBUS_STAT_SHIFT)
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#define BQ2429XR8_CHRG_STAT_SHIFT 4 /* Charging Status */
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#define BQ2429XR8_CHRG_STAT_MASK (3 << BQ2429XR8_CHRG_STAT_SHIFT)
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# define BQ2429XR8_CHRG_STAT_NONE (0 << BQ2429XR8_CHRG_STAT_SHIFT)
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# define BQ2429XR8_CHRG_STAT_PRECHG (1 << BQ2429XR8_CHRG_STAT_SHIFT)
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# define BQ2429XR8_CHRG_STAT_FASTCHG (2 << BQ2429XR8_CHRG_STAT_SHIFT)
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# define BQ2429XR8_CHRG_STAT_DONE (3 << BQ2429XR8_CHRG_STAT_SHIFT)
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#define BQ2429XR8_DPM_STAT (1 << 3) /* 0= NotDPM 1=VINDPM or INDPM */
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#define BQ2429XR8_PG_STAT (1 << 2) /* 0= Not 1=Power Good */
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#define BQ2429XR8_THERM_STAT (1 << 1) /* 0= Normal 1=In Thermal Regulation */
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#define BQ2429XR8_VSYS_STAT (1 << 0) /* 0= Not 1=In VSYSMIN regulation BAT < VSYSMIN */
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/* REG09 New Fault Register */
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#define BQ2429XR9_WATCHDOG_FAULT (1 << 7) /* 1=Watchdog Timer expired */
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#define BQ2429XR9_OTG_FAULT (1 << 6) /* 1=Bus overloaded in OTG, or VBUS OVP or battery low */
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#define BQ2429XR9_CHRG_FAULT_SHIFT 4 /* Charging Status */
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#define BQ2429XR9_CHRG_FAULT_MASK (3 << BQ2429XR9_CHRG_FAULT_SHIFT)
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# define BQ2429XR9_CHRG_FAULT_NORMAL (0 << BQ2429XR9_CHRG_FAULT_SHIFT)
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# define BQ2429XR9_CHRG_FAULT_INPUT (1 << BQ2429XR9_CHRG_FAULT_SHIFT)
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# define BQ2429XR9_CHRG_FAULT_THERMAL (2 << BQ2429XR9_CHRG_FAULT_SHIFT)
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# define BQ2429XR9_CHRG_FAULT_TIMER (3 << BQ2429XR9_CHRG_FAULT_SHIFT)
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#define BQ2429XR9_BAT_FAULT (1 << 3) /* 1=Battery OVP */
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#define BQ2429XR9_RESERVED2 (1 << 2)
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#define BQ2429XR9_NTC_FAULT1_COLD (1 << 1) /* Cold temperature */
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#define BQ2429XR9_NTC_FAULT2_HOT (1 << 0) /* Hot temperature */
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/* REG0A Vendor Part Revision Info */
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#define BQ24296_VENDOR_ID 0x20 /* BQ24296 */
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#define BQ24296M_VENDOR_ID 0x20 /* BQ24296M */
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#define BQ24297_VENDOR_ID 0x60 /* BQ24297 */
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#endif /* __DRIVERS_POWER_BQ2429X_H */
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