1What: /sys/kernel/debug/moxtet/input 2Date: March 2019 3KernelVersion: 5.3 4Contact: Marek Behún <kabel@kernel.org> 5Description: (Read) Read input from the shift registers, in hexadecimal. 6 Returns N+1 bytes, where N is the number of Moxtet connected 7 modules. The first byte is from the CPU board itself. 8 9 Example:: 10 11 101214 12 13 == ======================================= 14 10 CPU board with SD card 15 12 2 = PCIe module, 1 = IRQ not active 16 14 4 = Peridot module, 1 = IRQ not active 17 == ======================================= 18 19What: /sys/kernel/debug/moxtet/output 20Date: March 2019 21KernelVersion: 5.3 22Contact: Marek Behún <kabel@kernel.org> 23Description: (RW) Read last written value to the shift registers, in 24 hexadecimal, or write values to the shift registers, also 25 in hexadecimal. 26 27 Example:: 28 29 0102 30 31 == ================================================ 32 01 01 was last written, or is to be written, to the 33 first module's shift register 34 02 the same for second module 35 == ================================================ 36