apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

hwmon: (ltc2978) Add support for LTC3886

Browse Source 
LTC3886 is a is a dual PolyPhase DC/DC synchronous step-down switching
regulator controller. It is mostly command compatible to LTC3883,
but supports two phases instead of one.

Suggested-by: Michael Jones <mike@proclivis.com>
Tested-by: Michael Jones <mike@proclivis.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2015-08-17 07:21:43 -07:00
parent 52aae6af71
commit 228b687d9e
4 changed files with 39 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/hwmon/ltc2978
+14 -9
View File
@@ -35,6 +35,10 @@ Supported chips:
Prefix: 'ltc3883'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc3883
* Linear Technology LTC3886
Prefix: 'ltc3886'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc3886
* Linear Technology LTC3887
Prefix: 'ltc3887'
Addresses scanned: -
@@ -60,8 +64,8 @@ LTC2977 is a pin compatible replacement for LTC2978.
LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977
in a single die. The chip is instantiated and reported as two separate chips
on two different I2C bus addresses.
LTC3880, LTC3882, and LTC3887 are dual output poly-phase step-down DC/DC
controllers.
LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down
DC/DC controllers.
LTC3883 is a single phase step-down DC/DC controller.
LTM2987 is a 16-channel Power System Manager with two LTC2977 plus
additional components on a single die. The chip is instantiated and reported
@@ -113,7 +117,7 @@ in[N]_label "vout[1-8]".
LTC2974, LTC2975: N=2-5
LTC2977, LTC2980, LTM2987: N=2-9
LTC2978: N=2-9
LTC3880, LTC3882, LTC3887, LTM4676: N=2-3
LTC3880, LTC3882, LTC23886 LTC3887, LTM4676: N=2-3
LTC3883: N=2
in[N]_input Measured output voltage.
in[N]_min Minimum output voltage.
@@ -161,29 +165,30 @@ temp[N]_highest Highest measured temperature. Not supported for chip
temp[N]_reset_history Reset temperature history. Not supported for chip
temperature sensor on LTC2974 and LTC2975.
power1_label "pin". LTC3883 only.
power1_label "pin". LTC3883 and LTC3886 only.
power1_input Measured input power.
power[N]_label "pout[1-4]".
LTC2974, LTC2975: N=1-4
LTC2977, LTC2980, LTM2987: Not supported
LTC2978: Not supported
LTC3880, LTC3882, LTC3887, LTM4676: N=1-2
LTC3880, LTC3882, LTC3886, LTC3887, LTM4676: N=1-2
LTC3883: N=2
power[N]_input Measured output power.
curr1_label "iin". LTC3880, LTC3883, LTC3887, and LTM4676 only.
curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, and LTM4676
only.
curr1_input Measured input current.
curr1_max Maximum input current.
curr1_max_alarm Input current high alarm.
curr1_highest Highest input current. LTC3883 only.
curr1_reset_history Reset input current history. LTC3883 only.
curr1_highest Highest input current. LTC3883 and LTC3886 only.
curr1_reset_history Reset input current history. LTC3883 and LTC3886 only.
curr[N]_label "iout[1-4]".
LTC2974, LTC2975: N=1-4
LTC2977, LTC2980, LTM2987: not supported
LTC2978: not supported
LTC3880, LTC3882, LTC3887, LTM4676: N=2-3
LTC3880, LTC3882, LTC3886, LTC3887, LTM4676: N=2-3
LTC3883: N=2
curr[N]_input Measured output current.
curr[N]_max Maximum output current.