xref: /linux/Documentation/hwmon/ltc2978.rst (revision 7ebd8b66dd9e5a0b65e5ee5e2b8e7ca382ec97b7)
1*7ebd8b66SMauro Carvalho ChehabKernel driver ltc2978
2*7ebd8b66SMauro Carvalho Chehab=====================
3*7ebd8b66SMauro Carvalho Chehab
4*7ebd8b66SMauro Carvalho ChehabSupported chips:
5*7ebd8b66SMauro Carvalho Chehab
6*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC2974
7*7ebd8b66SMauro Carvalho Chehab
8*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc2974'
9*7ebd8b66SMauro Carvalho Chehab
10*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
11*7ebd8b66SMauro Carvalho Chehab
12*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc2974
13*7ebd8b66SMauro Carvalho Chehab
14*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC2975
15*7ebd8b66SMauro Carvalho Chehab
16*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc2975'
17*7ebd8b66SMauro Carvalho Chehab
18*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
19*7ebd8b66SMauro Carvalho Chehab
20*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc2975
21*7ebd8b66SMauro Carvalho Chehab
22*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC2977
23*7ebd8b66SMauro Carvalho Chehab
24*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc2977'
25*7ebd8b66SMauro Carvalho Chehab
26*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
27*7ebd8b66SMauro Carvalho Chehab
28*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc2977
29*7ebd8b66SMauro Carvalho Chehab
30*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC2978, LTC2978A
31*7ebd8b66SMauro Carvalho Chehab
32*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc2978'
33*7ebd8b66SMauro Carvalho Chehab
34*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
35*7ebd8b66SMauro Carvalho Chehab
36*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc2978
37*7ebd8b66SMauro Carvalho Chehab
38*7ebd8b66SMauro Carvalho Chehab	       http://www.linear.com/product/ltc2978a
39*7ebd8b66SMauro Carvalho Chehab
40*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC2980
41*7ebd8b66SMauro Carvalho Chehab
42*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc2980'
43*7ebd8b66SMauro Carvalho Chehab
44*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
45*7ebd8b66SMauro Carvalho Chehab
46*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc2980
47*7ebd8b66SMauro Carvalho Chehab
48*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC3880
49*7ebd8b66SMauro Carvalho Chehab
50*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc3880'
51*7ebd8b66SMauro Carvalho Chehab
52*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
53*7ebd8b66SMauro Carvalho Chehab
54*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc3880
55*7ebd8b66SMauro Carvalho Chehab
56*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC3882
57*7ebd8b66SMauro Carvalho Chehab
58*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc3882'
59*7ebd8b66SMauro Carvalho Chehab
60*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
61*7ebd8b66SMauro Carvalho Chehab
62*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc3882
63*7ebd8b66SMauro Carvalho Chehab
64*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC3883
65*7ebd8b66SMauro Carvalho Chehab
66*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc3883'
67*7ebd8b66SMauro Carvalho Chehab
68*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
69*7ebd8b66SMauro Carvalho Chehab
70*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc3883
71*7ebd8b66SMauro Carvalho Chehab
72*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC3886
73*7ebd8b66SMauro Carvalho Chehab
74*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc3886'
75*7ebd8b66SMauro Carvalho Chehab
76*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
77*7ebd8b66SMauro Carvalho Chehab
78*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc3886
79*7ebd8b66SMauro Carvalho Chehab
80*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTC3887
81*7ebd8b66SMauro Carvalho Chehab
82*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltc3887'
83*7ebd8b66SMauro Carvalho Chehab
84*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
85*7ebd8b66SMauro Carvalho Chehab
86*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltc3887
87*7ebd8b66SMauro Carvalho Chehab
88*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTM2987
89*7ebd8b66SMauro Carvalho Chehab
90*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltm2987'
91*7ebd8b66SMauro Carvalho Chehab
92*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
93*7ebd8b66SMauro Carvalho Chehab
94*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltm2987
95*7ebd8b66SMauro Carvalho Chehab
96*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTM4675
97*7ebd8b66SMauro Carvalho Chehab
98*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltm4675'
99*7ebd8b66SMauro Carvalho Chehab
100*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
101*7ebd8b66SMauro Carvalho Chehab
102*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltm4675
103*7ebd8b66SMauro Carvalho Chehab
104*7ebd8b66SMauro Carvalho Chehab  * Linear Technology LTM4676
105*7ebd8b66SMauro Carvalho Chehab
106*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltm4676'
107*7ebd8b66SMauro Carvalho Chehab
108*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
109*7ebd8b66SMauro Carvalho Chehab
110*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.linear.com/product/ltm4676
111*7ebd8b66SMauro Carvalho Chehab
112*7ebd8b66SMauro Carvalho Chehab  * Analog Devices LTM4686
113*7ebd8b66SMauro Carvalho Chehab
114*7ebd8b66SMauro Carvalho Chehab    Prefix: 'ltm4686'
115*7ebd8b66SMauro Carvalho Chehab
116*7ebd8b66SMauro Carvalho Chehab    Addresses scanned: -
117*7ebd8b66SMauro Carvalho Chehab
118*7ebd8b66SMauro Carvalho Chehab    Datasheet: http://www.analog.com/ltm4686
119*7ebd8b66SMauro Carvalho Chehab
120*7ebd8b66SMauro Carvalho Chehab
121*7ebd8b66SMauro Carvalho ChehabAuthor: Guenter Roeck <linux@roeck-us.net>
122*7ebd8b66SMauro Carvalho Chehab
123*7ebd8b66SMauro Carvalho Chehab
124*7ebd8b66SMauro Carvalho ChehabDescription
125*7ebd8b66SMauro Carvalho Chehab-----------
126*7ebd8b66SMauro Carvalho Chehab
127*7ebd8b66SMauro Carvalho Chehab- LTC2974 and LTC2975 are quad digital power supply managers.
128*7ebd8b66SMauro Carvalho Chehab- LTC2978 is an octal power supply monitor.
129*7ebd8b66SMauro Carvalho Chehab- LTC2977 is a pin compatible replacement for LTC2978.
130*7ebd8b66SMauro Carvalho Chehab- LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977
131*7ebd8b66SMauro Carvalho Chehab- in a single die. The chip is instantiated and reported as two separate chips
132*7ebd8b66SMauro Carvalho Chehab- on two different I2C bus addresses.
133*7ebd8b66SMauro Carvalho Chehab- LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down
134*7ebd8b66SMauro Carvalho Chehab- DC/DC controllers.
135*7ebd8b66SMauro Carvalho Chehab- LTC3883 is a single phase step-down DC/DC controller.
136*7ebd8b66SMauro Carvalho Chehab- LTM2987 is a 16-channel Power System Manager with two LTC2977 plus
137*7ebd8b66SMauro Carvalho Chehab- additional components on a single die. The chip is instantiated and reported
138*7ebd8b66SMauro Carvalho Chehab- as two separate chips on two different I2C bus addresses.
139*7ebd8b66SMauro Carvalho Chehab- LTM4675 is a dual 9A or single 18A μModule regulator
140*7ebd8b66SMauro Carvalho Chehab- LTM4676 is a dual 13A or single 26A uModule regulator.
141*7ebd8b66SMauro Carvalho Chehab- LTM4686 is a dual 10A or single 20A uModule regulator.
142*7ebd8b66SMauro Carvalho Chehab
143*7ebd8b66SMauro Carvalho Chehab
144*7ebd8b66SMauro Carvalho ChehabUsage Notes
145*7ebd8b66SMauro Carvalho Chehab-----------
146*7ebd8b66SMauro Carvalho Chehab
147*7ebd8b66SMauro Carvalho ChehabThis driver does not probe for PMBus devices. You will have to instantiate
148*7ebd8b66SMauro Carvalho Chehabdevices explicitly.
149*7ebd8b66SMauro Carvalho Chehab
150*7ebd8b66SMauro Carvalho ChehabExample: the following commands will load the driver for an LTC2978 at address
151*7ebd8b66SMauro Carvalho Chehab0x60 on I2C bus #1::
152*7ebd8b66SMauro Carvalho Chehab
153*7ebd8b66SMauro Carvalho Chehab	# modprobe ltc2978
154*7ebd8b66SMauro Carvalho Chehab	# echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device
155*7ebd8b66SMauro Carvalho Chehab
156*7ebd8b66SMauro Carvalho Chehab
157*7ebd8b66SMauro Carvalho ChehabSysfs attributes
158*7ebd8b66SMauro Carvalho Chehab----------------
159*7ebd8b66SMauro Carvalho Chehab
160*7ebd8b66SMauro Carvalho Chehab======================= ========================================================
161*7ebd8b66SMauro Carvalho Chehabin1_label		"vin"
162*7ebd8b66SMauro Carvalho Chehab
163*7ebd8b66SMauro Carvalho Chehabin1_input		Measured input voltage.
164*7ebd8b66SMauro Carvalho Chehab
165*7ebd8b66SMauro Carvalho Chehabin1_min			Minimum input voltage.
166*7ebd8b66SMauro Carvalho Chehab
167*7ebd8b66SMauro Carvalho Chehabin1_max			Maximum input voltage.
168*7ebd8b66SMauro Carvalho Chehab
169*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
170*7ebd8b66SMauro Carvalho Chehab			LTM2987 only.
171*7ebd8b66SMauro Carvalho Chehab
172*7ebd8b66SMauro Carvalho Chehabin1_lcrit		Critical minimum input voltage.
173*7ebd8b66SMauro Carvalho Chehab
174*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
175*7ebd8b66SMauro Carvalho Chehab			LTM2987 only.
176*7ebd8b66SMauro Carvalho Chehab
177*7ebd8b66SMauro Carvalho Chehabin1_crit		Critical maximum input voltage.
178*7ebd8b66SMauro Carvalho Chehab
179*7ebd8b66SMauro Carvalho Chehabin1_min_alarm		Input voltage low alarm.
180*7ebd8b66SMauro Carvalho Chehab
181*7ebd8b66SMauro Carvalho Chehabin1_max_alarm		Input voltage high alarm.
182*7ebd8b66SMauro Carvalho Chehab
183*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
184*7ebd8b66SMauro Carvalho Chehab			LTM2987 only.
185*7ebd8b66SMauro Carvalho Chehabin1_lcrit_alarm		Input voltage critical low alarm.
186*7ebd8b66SMauro Carvalho Chehab
187*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
188*7ebd8b66SMauro Carvalho Chehab			LTM2987 only.
189*7ebd8b66SMauro Carvalho Chehabin1_crit_alarm		Input voltage critical high alarm.
190*7ebd8b66SMauro Carvalho Chehab
191*7ebd8b66SMauro Carvalho Chehabin1_lowest		Lowest input voltage.
192*7ebd8b66SMauro Carvalho Chehab
193*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
194*7ebd8b66SMauro Carvalho Chehab			LTM2987 only.
195*7ebd8b66SMauro Carvalho Chehabin1_highest		Highest input voltage.
196*7ebd8b66SMauro Carvalho Chehab
197*7ebd8b66SMauro Carvalho Chehabin1_reset_history	Reset input voltage history.
198*7ebd8b66SMauro Carvalho Chehab
199*7ebd8b66SMauro Carvalho Chehabin[N]_label		"vout[1-8]".
200*7ebd8b66SMauro Carvalho Chehab
201*7ebd8b66SMauro Carvalho Chehab			- LTC2974, LTC2975: N=2-5
202*7ebd8b66SMauro Carvalho Chehab			- LTC2977, LTC2980, LTM2987: N=2-9
203*7ebd8b66SMauro Carvalho Chehab			- LTC2978: N=2-9
204*7ebd8b66SMauro Carvalho Chehab			- LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676:
205*7ebd8b66SMauro Carvalho Chehab			  N=2-3
206*7ebd8b66SMauro Carvalho Chehab			- LTC3883: N=2
207*7ebd8b66SMauro Carvalho Chehab
208*7ebd8b66SMauro Carvalho Chehabin[N]_input		Measured output voltage.
209*7ebd8b66SMauro Carvalho Chehab
210*7ebd8b66SMauro Carvalho Chehabin[N]_min		Minimum output voltage.
211*7ebd8b66SMauro Carvalho Chehab
212*7ebd8b66SMauro Carvalho Chehabin[N]_max		Maximum output voltage.
213*7ebd8b66SMauro Carvalho Chehab
214*7ebd8b66SMauro Carvalho Chehabin[N]_lcrit		Critical minimum output voltage.
215*7ebd8b66SMauro Carvalho Chehab
216*7ebd8b66SMauro Carvalho Chehabin[N]_crit		Critical maximum output voltage.
217*7ebd8b66SMauro Carvalho Chehab
218*7ebd8b66SMauro Carvalho Chehabin[N]_min_alarm		Output voltage low alarm.
219*7ebd8b66SMauro Carvalho Chehab
220*7ebd8b66SMauro Carvalho Chehabin[N]_max_alarm		Output voltage high alarm.
221*7ebd8b66SMauro Carvalho Chehab
222*7ebd8b66SMauro Carvalho Chehabin[N]_lcrit_alarm	Output voltage critical low alarm.
223*7ebd8b66SMauro Carvalho Chehab
224*7ebd8b66SMauro Carvalho Chehabin[N]_crit_alarm	Output voltage critical high alarm.
225*7ebd8b66SMauro Carvalho Chehab
226*7ebd8b66SMauro Carvalho Chehabin[N]_lowest		Lowest output voltage.
227*7ebd8b66SMauro Carvalho Chehab
228*7ebd8b66SMauro Carvalho Chehab
229*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975,and LTC2978 only.
230*7ebd8b66SMauro Carvalho Chehab
231*7ebd8b66SMauro Carvalho Chehabin[N]_highest		Highest output voltage.
232*7ebd8b66SMauro Carvalho Chehab
233*7ebd8b66SMauro Carvalho Chehabin[N]_reset_history	Reset output voltage history.
234*7ebd8b66SMauro Carvalho Chehab
235*7ebd8b66SMauro Carvalho Chehabtemp[N]_input		Measured temperature.
236*7ebd8b66SMauro Carvalho Chehab
237*7ebd8b66SMauro Carvalho Chehab			- On LTC2974 and LTC2975, temp[1-4] report external
238*7ebd8b66SMauro Carvalho Chehab			  temperatures, and temp5 reports the chip temperature.
239*7ebd8b66SMauro Carvalho Chehab			- On LTC2977, LTC2980, LTC2978, and LTM2987, only one
240*7ebd8b66SMauro Carvalho Chehab			  temperature measurement is supported and reports
241*7ebd8b66SMauro Carvalho Chehab			  the chip temperature.
242*7ebd8b66SMauro Carvalho Chehab			- On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676,
243*7ebd8b66SMauro Carvalho Chehab			  temp1 and temp2 report external temperatures, and
244*7ebd8b66SMauro Carvalho Chehab			  temp3 reports the chip temperature.
245*7ebd8b66SMauro Carvalho Chehab			- On LTC3883, temp1 reports an external temperature,
246*7ebd8b66SMauro Carvalho Chehab			  and temp2 reports the chip temperature.
247*7ebd8b66SMauro Carvalho Chehab
248*7ebd8b66SMauro Carvalho Chehabtemp[N]_min		Mimimum temperature.
249*7ebd8b66SMauro Carvalho Chehab
250*7ebd8b66SMauro Carvalho Chehab			LTC2974, LCT2977, LTM2980, LTC2978, and LTM2987 only.
251*7ebd8b66SMauro Carvalho Chehab
252*7ebd8b66SMauro Carvalho Chehabtemp[N]_max		Maximum temperature.
253*7ebd8b66SMauro Carvalho Chehab
254*7ebd8b66SMauro Carvalho Chehabtemp[N]_lcrit		Critical low temperature.
255*7ebd8b66SMauro Carvalho Chehab
256*7ebd8b66SMauro Carvalho Chehabtemp[N]_crit		Critical high temperature.
257*7ebd8b66SMauro Carvalho Chehab
258*7ebd8b66SMauro Carvalho Chehabtemp[N]_min_alarm	Temperature low alarm.
259*7ebd8b66SMauro Carvalho Chehab
260*7ebd8b66SMauro Carvalho Chehab			LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and
261*7ebd8b66SMauro Carvalho Chehab			LTM2987 only.
262*7ebd8b66SMauro Carvalho Chehab
263*7ebd8b66SMauro Carvalho Chehabtemp[N]_max_alarm	Temperature high alarm.
264*7ebd8b66SMauro Carvalho Chehab
265*7ebd8b66SMauro Carvalho Chehab
266*7ebd8b66SMauro Carvalho Chehabtemp[N]_lcrit_alarm	Temperature critical low alarm.
267*7ebd8b66SMauro Carvalho Chehab
268*7ebd8b66SMauro Carvalho Chehabtemp[N]_crit_alarm	Temperature critical high alarm.
269*7ebd8b66SMauro Carvalho Chehab
270*7ebd8b66SMauro Carvalho Chehabtemp[N]_lowest		Lowest measured temperature.
271*7ebd8b66SMauro Carvalho Chehab
272*7ebd8b66SMauro Carvalho Chehab			- LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and
273*7ebd8b66SMauro Carvalho Chehab			  LTM2987 only.
274*7ebd8b66SMauro Carvalho Chehab			- Not supported for chip temperature sensor on LTC2974
275*7ebd8b66SMauro Carvalho Chehab			  and LTC2975.
276*7ebd8b66SMauro Carvalho Chehab
277*7ebd8b66SMauro Carvalho Chehabtemp[N]_highest		Highest measured temperature.
278*7ebd8b66SMauro Carvalho Chehab
279*7ebd8b66SMauro Carvalho Chehab			Not supported for chip temperature sensor on
280*7ebd8b66SMauro Carvalho Chehab			LTC2974 and LTC2975.
281*7ebd8b66SMauro Carvalho Chehab
282*7ebd8b66SMauro Carvalho Chehabtemp[N]_reset_history	Reset temperature history.
283*7ebd8b66SMauro Carvalho Chehab
284*7ebd8b66SMauro Carvalho Chehab			Not supported for chip temperature sensor on
285*7ebd8b66SMauro Carvalho Chehab			LTC2974 and LTC2975.
286*7ebd8b66SMauro Carvalho Chehab
287*7ebd8b66SMauro Carvalho Chehabpower1_label		"pin". LTC3883 and LTC3886 only.
288*7ebd8b66SMauro Carvalho Chehab
289*7ebd8b66SMauro Carvalho Chehabpower1_input		Measured input power.
290*7ebd8b66SMauro Carvalho Chehab
291*7ebd8b66SMauro Carvalho Chehabpower[N]_label		"pout[1-4]".
292*7ebd8b66SMauro Carvalho Chehab
293*7ebd8b66SMauro Carvalho Chehab			- LTC2974, LTC2975: N=1-4
294*7ebd8b66SMauro Carvalho Chehab			- LTC2977, LTC2980, LTM2987: Not supported
295*7ebd8b66SMauro Carvalho Chehab			- LTC2978: Not supported
296*7ebd8b66SMauro Carvalho Chehab			- LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
297*7ebd8b66SMauro Carvalho Chehab			  N=1-2
298*7ebd8b66SMauro Carvalho Chehab			- LTC3883: N=2
299*7ebd8b66SMauro Carvalho Chehab
300*7ebd8b66SMauro Carvalho Chehabpower[N]_input		Measured output power.
301*7ebd8b66SMauro Carvalho Chehab
302*7ebd8b66SMauro Carvalho Chehabcurr1_label		"iin".
303*7ebd8b66SMauro Carvalho Chehab
304*7ebd8b66SMauro Carvalho Chehab			LTC3880, LTC3883, LTC3886, LTC3887, LTM4675,
305*7ebd8b66SMauro Carvalho Chehab			and LTM4676 only.
306*7ebd8b66SMauro Carvalho Chehab
307*7ebd8b66SMauro Carvalho Chehabcurr1_input		Measured input current.
308*7ebd8b66SMauro Carvalho Chehab
309*7ebd8b66SMauro Carvalho Chehabcurr1_max		Maximum input current.
310*7ebd8b66SMauro Carvalho Chehab
311*7ebd8b66SMauro Carvalho Chehabcurr1_max_alarm		Input current high alarm.
312*7ebd8b66SMauro Carvalho Chehab
313*7ebd8b66SMauro Carvalho Chehabcurr1_highest		Highest input current.
314*7ebd8b66SMauro Carvalho Chehab
315*7ebd8b66SMauro Carvalho Chehab			LTC3883 and LTC3886 only.
316*7ebd8b66SMauro Carvalho Chehab
317*7ebd8b66SMauro Carvalho Chehabcurr1_reset_history	Reset input current history.
318*7ebd8b66SMauro Carvalho Chehab
319*7ebd8b66SMauro Carvalho Chehab			LTC3883 and LTC3886 only.
320*7ebd8b66SMauro Carvalho Chehab
321*7ebd8b66SMauro Carvalho Chehabcurr[N]_label		"iout[1-4]".
322*7ebd8b66SMauro Carvalho Chehab
323*7ebd8b66SMauro Carvalho Chehab			- LTC2974, LTC2975: N=1-4
324*7ebd8b66SMauro Carvalho Chehab			- LTC2977, LTC2980, LTM2987: not supported
325*7ebd8b66SMauro Carvalho Chehab			- LTC2978: not supported
326*7ebd8b66SMauro Carvalho Chehab			- LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
327*7ebd8b66SMauro Carvalho Chehab			  N=2-3
328*7ebd8b66SMauro Carvalho Chehab			- LTC3883: N=2
329*7ebd8b66SMauro Carvalho Chehab
330*7ebd8b66SMauro Carvalho Chehabcurr[N]_input		Measured output current.
331*7ebd8b66SMauro Carvalho Chehab
332*7ebd8b66SMauro Carvalho Chehabcurr[N]_max		Maximum output current.
333*7ebd8b66SMauro Carvalho Chehab
334*7ebd8b66SMauro Carvalho Chehabcurr[N]_crit		Critical high output current.
335*7ebd8b66SMauro Carvalho Chehab
336*7ebd8b66SMauro Carvalho Chehabcurr[N]_lcrit		Critical low output current.
337*7ebd8b66SMauro Carvalho Chehab
338*7ebd8b66SMauro Carvalho Chehab			LTC2974 and LTC2975 only.
339*7ebd8b66SMauro Carvalho Chehab
340*7ebd8b66SMauro Carvalho Chehabcurr[N]_max_alarm	Output current high alarm.
341*7ebd8b66SMauro Carvalho Chehab
342*7ebd8b66SMauro Carvalho Chehabcurr[N]_crit_alarm	Output current critical high alarm.
343*7ebd8b66SMauro Carvalho Chehab
344*7ebd8b66SMauro Carvalho Chehabcurr[N]_lcrit_alarm	Output current critical low alarm.
345*7ebd8b66SMauro Carvalho Chehab
346*7ebd8b66SMauro Carvalho Chehab			LTC2974 and LTC2975 only.
347*7ebd8b66SMauro Carvalho Chehab
348*7ebd8b66SMauro Carvalho Chehabcurr[N]_lowest		Lowest output current.
349*7ebd8b66SMauro Carvalho Chehab
350*7ebd8b66SMauro Carvalho Chehab			LTC2974 and LTC2975 only.
351*7ebd8b66SMauro Carvalho Chehab
352*7ebd8b66SMauro Carvalho Chehabcurr[N]_highest		Highest output current.
353*7ebd8b66SMauro Carvalho Chehab
354*7ebd8b66SMauro Carvalho Chehabcurr[N]_reset_history	Reset output current history.
355*7ebd8b66SMauro Carvalho Chehab======================= ========================================================
356