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authorGuenter Roeck <linux@roeck-us.net>2015-08-07 12:06:37 -0400
committerGuenter Roeck <linux@roeck-us.net>2015-08-12 15:29:36 -0400
commit15398566f0ea95c66d202b8705dba4f59b9ba01c (patch)
tree94d15f6856498cde8a80e1b9795faa7934be3e56 /Documentation/hwmon
parente8047a2686d32854e4b82bd5d328da61025fb01a (diff)
hwmon: (ltc2978) Add support for LTC3887
LTC3887 is an enhanced version of LTC3880 and supports the same commands. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r--Documentation/hwmon/ltc297819
1 files changed, 12 insertions, 7 deletions
diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978
index 521ee8a1135c..ff130997f22e 100644
--- a/Documentation/hwmon/ltc2978
+++ b/Documentation/hwmon/ltc2978
@@ -27,6 +27,10 @@ Supported chips:
27 Prefix: 'ltc3883' 27 Prefix: 'ltc3883'
28 Addresses scanned: - 28 Addresses scanned: -
29 Datasheet: http://www.linear.com/product/ltc3883 29 Datasheet: http://www.linear.com/product/ltc3883
30 * Linear Technology LTC3887
31 Prefix: 'ltc3887'
32 Addresses scanned: -
33 Datasheet: http://www.linear.com/product/ltc3887
30 * Linear Technology LTM4676 34 * Linear Technology LTM4676
31 Prefix: 'ltm4676' 35 Prefix: 'ltm4676'
32 Addresses scanned: - 36 Addresses scanned: -
@@ -41,7 +45,8 @@ Description
41LTC2974 is a quad digital power supply managers. 45LTC2974 is a quad digital power supply managers.
42LTC2978 is an octal power supply monitor. 46LTC2978 is an octal power supply monitor.
43LTC2977 is a pin compatible replacement for LTC2978. 47LTC2977 is a pin compatible replacement for LTC2978.
44LTC3880 and LTC3882 are dual output poly-phase step-down DC/DC controllers. 48LTC3880, LTC3882, and LTC3887 are dual output poly-phase step-down DC/DC
49controllers.
45LTC3883 is a single phase step-down DC/DC controller. 50LTC3883 is a single phase step-down DC/DC controller.
46LTM4676 is a dual 13A or single 26A uModule regulator. 51LTM4676 is a dual 13A or single 26A uModule regulator.
47 52
@@ -85,7 +90,7 @@ in[N]_label "vout[1-8]".
85 LTC2974: N=2-5 90 LTC2974: N=2-5
86 LTC2977: N=2-9 91 LTC2977: N=2-9
87 LTC2978: N=2-9 92 LTC2978: N=2-9
88 LTC3880, LTC3882, LTM4676: N=2-3 93 LTC3880, LTC3882, LTC3887, LTM4676: N=2-3
89 LTC3883: N=2 94 LTC3883: N=2
90in[N]_input Measured output voltage. 95in[N]_input Measured output voltage.
91in[N]_min Minimum output voltage. 96in[N]_min Minimum output voltage.
@@ -105,8 +110,8 @@ temp[N]_input Measured temperature.
105 and temp5 reports the chip temperature. 110 and temp5 reports the chip temperature.
106 On LTC2977 and LTC2978, only one temperature measurement 111 On LTC2977 and LTC2978, only one temperature measurement
107 is supported and reports the chip temperature. 112 is supported and reports the chip temperature.
108 On LTC3880, LTC3882, and LTM4676, temp1 and temp2 113 On LTC3880, LTC3882, LTC3887, and LTM4676, temp1 and
109 report external temperatures, and temp3 reports 114 temp2 report external temperatures, and temp3 reports
110 the chip temperature. 115 the chip temperature.
111 On LTC3883, temp1 reports an external temperature, 116 On LTC3883, temp1 reports an external temperature,
112 and temp2 reports the chip temperature. 117 and temp2 reports the chip temperature.
@@ -134,11 +139,11 @@ power[N]_label "pout[1-4]".
134 LTC2974: N=1-4 139 LTC2974: N=1-4
135 LTC2977: Not supported 140 LTC2977: Not supported
136 LTC2978: Not supported 141 LTC2978: Not supported
137 LTC3880, LTC3882, LTM4676: N=1-2 142 LTC3880, LTC3882, LTC3887, LTM4676: N=1-2
138 LTC3883: N=2 143 LTC3883: N=2
139power[N]_input Measured output power. 144power[N]_input Measured output power.
140 145
141curr1_label "iin". LTC3880, LTC3883, and LTM4676 only. 146curr1_label "iin". LTC3880, LTC3883, LTC3887, and LTM4676 only.
142curr1_input Measured input current. 147curr1_input Measured input current.
143curr1_max Maximum input current. 148curr1_max Maximum input current.
144curr1_max_alarm Input current high alarm. 149curr1_max_alarm Input current high alarm.
@@ -149,7 +154,7 @@ curr[N]_label "iout[1-4]".
149 LTC2974: N=1-4 154 LTC2974: N=1-4
150 LTC2977: not supported 155 LTC2977: not supported
151 LTC2978: not supported 156 LTC2978: not supported
152 LTC3880, LTC3882, LTM4676: N=2-3 157 LTC3880, LTC3882, LTC3887, LTM4676: N=2-3
153 LTC3883: N=2 158 LTC3883: N=2
154curr[N]_input Measured output current. 159curr[N]_input Measured output current.
155curr[N]_max Maximum output current. 160curr[N]_max Maximum output current.