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hwmon: (ltc2978) Add support for LTM4675

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LTM2975 is a dual 9A or single 18A μModule regulator.
It is register compatible with LTM4676.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck
2015-08-17 20:08:09 -07:00
parent e04d1ce9bb
commit ccf2dc51bc
3 changed files with 25 additions and 11 deletions
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Documentation/hwmon/ltc2978
+16 -8
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@@ -47,6 +47,10 @@ Supported chips:
Prefix: 'ltm2987'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltm2987
* Linear Technology LTM4675
Prefix: 'ltm4675'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltm4675
* Linear Technology LTM4676
Prefix: 'ltm4676'
Addresses scanned: -
@@ -70,6 +74,7 @@ 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
as two separate chips on two different I2C bus addresses.
LTM4675 is a dual 9A or single 18A μModule regulator
LTM4676 is a dual 13A or single 26A uModule regulator.
@@ -117,7 +122,8 @@ in[N]_label "vout[1-8]".
LTC2974, LTC2975: N=2-5
LTC2977, LTC2980, LTM2987: N=2-9
LTC2978: N=2-9
LTC3880, LTC3882, LTC23886 LTC3887, LTM4676: N=2-3
LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676:
N=2-3
LTC3883: N=2
in[N]_input Measured output voltage.
in[N]_min Minimum output voltage.
@@ -139,9 +145,9 @@ temp[N]_input Measured temperature.
On LTC2977, LTC2980, LTC2978, and LTM2987, only one
temperature measurement is supported and reports
the chip temperature.
On LTC3880, LTC3882, LTC3887, and LTM4676, temp1 and
temp2 report external temperatures, and temp3 reports
the chip temperature.
On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676,
temp1 and temp2 report external temperatures, and temp3
reports the chip temperature.
On LTC3883, temp1 reports an external temperature,
and temp2 reports the chip temperature.
temp[N]_min Mimimum temperature. LTC2974, LCT2977, LTM2980, LTC2978,
@@ -172,12 +178,13 @@ power[N]_label "pout[1-4]".
LTC2974, LTC2975: N=1-4
LTC2977, LTC2980, LTM2987: Not supported
LTC2978: Not supported
LTC3880, LTC3882, LTC3886, LTC3887, LTM4676: N=1-2
LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
N=1-2
LTC3883: N=2
power[N]_input Measured output power.
curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, and LTM4676
only.
curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, LTM4675,
and LTM4676 only.
curr1_input Measured input current.
curr1_max Maximum input current.
curr1_max_alarm Input current high alarm.
@@ -188,7 +195,8 @@ curr[N]_label "iout[1-4]".
LTC2974, LTC2975: N=1-4
LTC2977, LTC2980, LTM2987: not supported
LTC2978: not supported
LTC3880, LTC3882, LTC3886, LTC3887, LTM4676: N=2-3
LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
N=2-3
LTC3883: N=2
curr[N]_input Measured output current.
curr[N]_max Maximum output current.