xref: /linux/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1What:		/sys/bus/coresight/devices/<cti-name>/enable
2Date:		March 2020
3KernelVersion	5.7
4Contact:	Mike Leach or Mathieu Poirier
5Description:	(RW) Enable/Disable the CTI hardware.
6
7What:		/sys/bus/coresight/devices/<cti-name>/powered
8Date:		March 2020
9KernelVersion	5.7
10Contact:	Mike Leach or Mathieu Poirier
11Description:	(Read) Indicate if the CTI hardware is powered.
12
13What:		/sys/bus/coresight/devices/<cti-name>/ctmid
14Date:		March 2020
15KernelVersion	5.7
16Contact:	Mike Leach or Mathieu Poirier
17Description:	(Read) Display the associated CTM ID
18
19What:		/sys/bus/coresight/devices/<cti-name>/nr_trigger_cons
20Date:		March 2020
21KernelVersion	5.7
22Contact:	Mike Leach or Mathieu Poirier
23Description:	(Read) Number of devices connected to triggers on this CTI
24
25What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/name
26Date:		March 2020
27KernelVersion	5.7
28Contact:	Mike Leach or Mathieu Poirier
29Description:	(Read) Name of connected device <N>
30
31What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/in_signals
32Date:		March 2020
33KernelVersion	5.7
34Contact:	Mike Leach or Mathieu Poirier
35Description:	(Read) Input trigger signals from connected device <N>
36
37What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/in_types
38Date:		March 2020
39KernelVersion	5.7
40Contact:	Mike Leach or Mathieu Poirier
41Description:	(Read) Functional types for the input trigger signals
42		from connected device <N>
43
44What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/out_signals
45Date:		March 2020
46KernelVersion	5.7
47Contact:	Mike Leach or Mathieu Poirier
48Description:	(Read) Output trigger signals to connected device <N>
49
50What:		/sys/bus/coresight/devices/<cti-name>/triggers<N>/out_types
51Date:		March 2020
52KernelVersion	5.7
53Contact:	Mike Leach or Mathieu Poirier
54Description:	(Read) Functional types for the output trigger signals
55		to connected device <N>
56
57What:		/sys/bus/coresight/devices/<cti-name>/regs/inout_sel
58Date:		March 2020
59KernelVersion	5.7
60Contact:	Mike Leach or Mathieu Poirier
61Description:	(RW) Select the index for inen and outen registers.
62
63What:		/sys/bus/coresight/devices/<cti-name>/regs/inen
64Date:		March 2020
65KernelVersion	5.7
66Contact:	Mike Leach or Mathieu Poirier
67Description:	(RW) Read or write the CTIINEN register selected by inout_sel.
68
69What:		/sys/bus/coresight/devices/<cti-name>/regs/outen
70Date:		March 2020
71KernelVersion	5.7
72Contact:	Mike Leach or Mathieu Poirier
73Description:	(RW) Read or write the CTIOUTEN register selected by inout_sel.
74
75What:		/sys/bus/coresight/devices/<cti-name>/regs/gate
76Date:		March 2020
77KernelVersion	5.7
78Contact:	Mike Leach or Mathieu Poirier
79Description:	(RW) Read or write CTIGATE register.
80
81What:		/sys/bus/coresight/devices/<cti-name>/regs/asicctl
82Date:		March 2020
83KernelVersion	5.7
84Contact:	Mike Leach or Mathieu Poirier
85Description:	(RW) Read or write ASICCTL register.
86
87What:		/sys/bus/coresight/devices/<cti-name>/regs/intack
88Date:		March 2020
89KernelVersion	5.7
90Contact:	Mike Leach or Mathieu Poirier
91Description:	(Write) Write the INTACK register.
92
93What:		/sys/bus/coresight/devices/<cti-name>/regs/appset
94Date:		March 2020
95KernelVersion	5.7
96Contact:	Mike Leach or Mathieu Poirier
97Description:	(RW) Set CTIAPPSET register to activate channel. Read back to
98		determine current value of register.
99
100What:		/sys/bus/coresight/devices/<cti-name>/regs/appclear
101Date:		March 2020
102KernelVersion	5.7
103Contact:	Mike Leach or Mathieu Poirier
104Description:	(Write) Write APPCLEAR register to deactivate channel.
105
106What:		/sys/bus/coresight/devices/<cti-name>/regs/apppulse
107Date:		March 2020
108KernelVersion	5.7
109Contact:	Mike Leach or Mathieu Poirier
110Description:	(Write) Write APPPULSE to pulse a channel active for one clock
111		cycle.
112
113What:		/sys/bus/coresight/devices/<cti-name>/regs/chinstatus
114Date:		March 2020
115KernelVersion	5.7
116Contact:	Mike Leach or Mathieu Poirier
117Description:	(Read) Read current status of channel inputs.
118
119What:		/sys/bus/coresight/devices/<cti-name>/regs/choutstatus
120Date:		March 2020
121KernelVersion	5.7
122Contact:	Mike Leach or Mathieu Poirier
123Description:	(Read) read current status of channel outputs.
124
125What:		/sys/bus/coresight/devices/<cti-name>/regs/triginstatus
126Date:		March 2020
127KernelVersion	5.7
128Contact:	Mike Leach or Mathieu Poirier
129Description:	(Read) read current status of input trigger signals
130
131What:		/sys/bus/coresight/devices/<cti-name>/regs/trigoutstatus
132Date:		March 2020
133KernelVersion	5.7
134Contact:	Mike Leach or Mathieu Poirier
135Description:	(Read) read current status of output trigger signals.
136
137What:		/sys/bus/coresight/devices/<cti-name>/channels/trigin_attach
138Date:		March 2020
139KernelVersion	5.7
140Contact:	Mike Leach or Mathieu Poirier
141Description:	(Write) Attach a CTI input trigger to a CTM channel.
142
143What:		/sys/bus/coresight/devices/<cti-name>/channels/trigin_detach
144Date:		March 2020
145KernelVersion	5.7
146Contact:	Mike Leach or Mathieu Poirier
147Description:	(Write) Detach a CTI input trigger from a CTM channel.
148
149What:		/sys/bus/coresight/devices/<cti-name>/channels/trigout_attach
150Date:		March 2020
151KernelVersion	5.7
152Contact:	Mike Leach or Mathieu Poirier
153Description:	(Write) Attach a CTI output trigger to a CTM channel.
154
155What:		/sys/bus/coresight/devices/<cti-name>/channels/trigout_detach
156Date:		March 2020
157KernelVersion	5.7
158Contact:	Mike Leach or Mathieu Poirier
159Description:	(Write) Detach a CTI output trigger from a CTM channel.
160
161What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_gate_enable
162Date:		March 2020
163KernelVersion	5.7
164Contact:	Mike Leach or Mathieu Poirier
165Description:	(RW) Enable CTIGATE for single channel (Write) or list enabled
166		channels through the gate (R).
167
168What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_gate_disable
169Date:		March 2020
170KernelVersion	5.7
171Contact:	Mike Leach or Mathieu Poirier
172Description:	(Write) Disable CTIGATE for single channel.
173
174What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_set
175Date:		March 2020
176KernelVersion	5.7
177Contact:	Mike Leach or Mathieu Poirier
178Description:	(Write) Activate a single channel.
179
180What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_clear
181Date:		March 2020
182KernelVersion	5.7
183Contact:	Mike Leach or Mathieu Poirier
184Description:	(Write) Deactivate a single channel.
185
186What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_pulse
187Date:		March 2020
188KernelVersion	5.7
189Contact:	Mike Leach or Mathieu Poirier
190Description:	(Write) Pulse a single channel - activate for a single clock cycle.
191
192What:		/sys/bus/coresight/devices/<cti-name>/channels/trigout_filtered
193Date:		March 2020
194KernelVersion	5.7
195Contact:	Mike Leach or Mathieu Poirier
196Description:	(Read) List of output triggers filtered across all connections.
197
198What:		/sys/bus/coresight/devices/<cti-name>/channels/trig_filter_enable
199Date:		March 2020
200KernelVersion	5.7
201Contact:	Mike Leach or Mathieu Poirier
202Description:	(RW) Enable or disable trigger output signal filtering.
203
204What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_inuse
205Date:		March 2020
206KernelVersion	5.7
207Contact:	Mike Leach or Mathieu Poirier
208Description:	(Read) show channels with at least one attached trigger signal.
209
210What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_free
211Date:		March 2020
212KernelVersion	5.7
213Contact:	Mike Leach or Mathieu Poirier
214Description:	(Read) show channels with no attached trigger signals.
215
216What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_sel
217Date:		March 2020
218KernelVersion	5.7
219Contact:	Mike Leach or Mathieu Poirier
220Description:	(RW) Write channel number to select a channel to view, read to
221		see selected channel number.
222
223What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_in
224Date:		March 2020
225KernelVersion	5.7
226Contact:	Mike Leach or Mathieu Poirier
227Description:	(Read) Read to see input triggers connected to selected view
228		channel.
229
230What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_out
231Date:		March 2020
232KernelVersion	5.7
233Contact:	Mike Leach or Mathieu Poirier
234Description:	(Read) Read to see output triggers connected to selected view
235		channel.
236
237What:		/sys/bus/coresight/devices/<cti-name>/channels/chan_xtrigs_reset
238Date:		March 2020
239KernelVersion	5.7
240Contact:	Mike Leach or Mathieu Poirier
241Description:	(Write) Clear all channel / trigger programming.
242