BQ27xxx HDQ support

modulename: bq27xxx_battery_hdq.ko

configname: CONFIG_BATTERY_BQ27XXX_HDQ

Linux Kernel Configuration
└─>Device Drivers
└─>Power supply class support
└─>Dallas's 1-wire support
└─>BQ27xxx HDQ support
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Say Y here to enable support for batteries with BQ27xxx chips
connected over an HDQ bus.

source code:
drivers/power/supply/bq27xxx_battery_hdq.c