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