1What: /sys/bus/platform/devices/[..]/fsi-master-gpio/external_mode 2Date: Feb 2018 3KernelVersion: 4.17 4Contact: jk@ozlabs.org 5Description: 6 Controls access arbitration for GPIO-based FSI master. A 7 value of 0 (the default) sets normal mode, where the 8 driver performs FSI bus transactions, 1 sets external mode, 9 where the FSI bus is driven externally (for example, by 10 a debug device). 11