xref: /OK3568_Linux_fs/kernel/Documentation/ABI/testing/sysfs-bus-intel_th-devices-pti (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunWhat:		/sys/bus/intel_th/devices/<intel_th_id>-pti/mode
2*4882a593SmuzhiyunDate:		June 2015
3*4882a593SmuzhiyunKernelVersion:	4.3
4*4882a593SmuzhiyunContact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
5*4882a593SmuzhiyunDescription:	(RW) Configure PTI output width. Currently supported values
6*4882a593Smuzhiyun		are 4, 8, 12, 16.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunWhat:		/sys/bus/intel_th/devices/<intel_th_id>-pti/freerunning_clock
9*4882a593SmuzhiyunDate:		June 2015
10*4882a593SmuzhiyunKernelVersion:	4.3
11*4882a593SmuzhiyunContact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
12*4882a593SmuzhiyunDescription:	(RW) 0: PTI trace clock acts as a strobe which only toggles
13*4882a593Smuzhiyun		when there is trace data to send. 1: PTI trace clock is a
14*4882a593Smuzhiyun		free-running clock.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunWhat:		/sys/bus/intel_th/devices/<intel_th_id>-pti/clock_divider
17*4882a593SmuzhiyunDate:		June 2015
18*4882a593SmuzhiyunKernelVersion:	4.3
19*4882a593SmuzhiyunContact:	Alexander Shishkin <alexander.shishkin@linux.intel.com>
20*4882a593SmuzhiyunDescription:	(RW) Configure PTI port clock divider:
21*4882a593Smuzhiyun		 - 0: Intel TH clock rate,
22*4882a593Smuzhiyun		 - 1: 1/2 Intel TH clock rate,
23*4882a593Smuzhiyun		 - 2: 1/4 Intel TH clock rate,
24*4882a593Smuzhiyun		 - 3: 1/8 Intel TH clock rate.
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