xref: /linux/Documentation/ABI/testing/debugfs-moxtet (revision 002a9c2f99c77677635d2ab2e906fc6ba3f7ab67)
12091b417SMarek BehúnWhat:		/sys/kernel/debug/moxtet/input
22091b417SMarek BehúnDate:		March 2019
32091b417SMarek BehúnKernelVersion:	5.3
42091b417SMarek BehúnContact:	Marek Behún <marek.behun@nic.cz>
52091b417SMarek BehúnDescription:	(R) Read input from the shift registers, in hexadecimal.
62091b417SMarek Behún		Returns N+1 bytes, where N is the number of Moxtet connected
72091b417SMarek Behún		modules. The first byte is from the CPU board itself.
8*002a9c2fSMauro Carvalho Chehab
9*002a9c2fSMauro Carvalho Chehab		Example::
10*002a9c2fSMauro Carvalho Chehab
11*002a9c2fSMauro Carvalho Chehab			101214
12*002a9c2fSMauro Carvalho Chehab
13*002a9c2fSMauro Carvalho Chehab		==  =======================================
14*002a9c2fSMauro Carvalho Chehab		10  CPU board with SD card
15*002a9c2fSMauro Carvalho Chehab		12  2 = PCIe module, 1 = IRQ not active
16*002a9c2fSMauro Carvalho Chehab		14  4 = Peridot module, 1 = IRQ not active
17*002a9c2fSMauro Carvalho Chehab		==  =======================================
182091b417SMarek Behún
192091b417SMarek BehúnWhat:		/sys/kernel/debug/moxtet/output
202091b417SMarek BehúnDate:		March 2019
212091b417SMarek BehúnKernelVersion:	5.3
222091b417SMarek BehúnContact:	Marek Behún <marek.behun@nic.cz>
232091b417SMarek BehúnDescription:	(RW) Read last written value to the shift registers, in
242091b417SMarek Behún		hexadecimal, or write values to the shift registers, also
252091b417SMarek Behún		in hexadecimal.
26*002a9c2fSMauro Carvalho Chehab
27*002a9c2fSMauro Carvalho Chehab		Example::
28*002a9c2fSMauro Carvalho Chehab
29*002a9c2fSMauro Carvalho Chehab		    0102
30*002a9c2fSMauro Carvalho Chehab
31*002a9c2fSMauro Carvalho Chehab		==  ================================================
32*002a9c2fSMauro Carvalho Chehab		01  01 was last written, or is to be written, to the
332091b417SMarek Behún		    first module's shift register
34*002a9c2fSMauro Carvalho Chehab		02  the same for second module
35*002a9c2fSMauro Carvalho Chehab		==  ================================================
36