The !gpiokd.clientlist command displays all registered GPIO controllers.
Flags that specify which information is displayed. This parameter is a bitwise OR of one or more of the following flags.
For each controller, displays detailed information including all of its banks.
If bit 0 (0x1) is set and this flag (0x2) is set, displays the Enable and Mask registers for each bank.
If bit 0 (0x1) is set and this flag (0x4) is set, the display includes unconfigured pins.
Build date: 1/27/2014