B53 SRAB connected switch driver

modulename: b53_srab.ko

configname: CONFIG_B53_SRAB_DRIVER

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Distributed Switch Architecture drivers
└─>Broadcom BCM53xx managed switch support
└─>B53 SRAB connected switch driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Select to enable support for memory-mapped Switch Register Access
Bridge Registers (SRAB) like it is found on the BCM53010

source code: