xref: /linux/Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth (revision cbac924200b838cfb8d8b1415113d788089dc50b)
1What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/masters/*
2Date:		June 2015
3KernelVersion:	4.3
4Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
5Description:	(RW) Configure output ports for STP masters. Writing -1
6		disables a master; any
7
8What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_port
9Date:		June 2015
10KernelVersion:	4.3
11Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
12Description:	(RO) Output port type:
13
14		 ==  =========================
15		  0  not present,
16		  1  MSU (Memory Storage Unit)
17		  2  CTP (Common Trace Port)
18		  4  PTI (MIPI PTI).
19		 ==  =========================
20
21What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_drop
22Date:		June 2015
23KernelVersion:	4.3
24Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
25Description:	(RW) Data retention policy setting: keep (0) or drop (1)
26		incoming data while output port is in reset.
27
28What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_null
29Date:		June 2015
30KernelVersion:	4.3
31Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
32Description:	(RW) STP NULL packet generation: enabled (1) or disabled (0).
33
34What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_flush
35Date:		June 2015
36KernelVersion:	4.3
37Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
38Description:	(RW) Force flush data from byte packing buffer for the output
39		port.
40
41What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_reset
42Date:		June 2015
43KernelVersion:	4.3
44Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
45Description:	(RO) Output port is in reset (1).
46
47What:		/sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_smcfreq
48Date:		June 2015
49KernelVersion:	4.3
50Contact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
51Description:	(RW) STP sync packet frequency for the port. Specifies the
52		number of clocks between mainenance packets.
53