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authorGuenter Roeck <linux@roeck-us.net>2015-08-17 20:08:09 -0700
committerGuenter Roeck <linux@roeck-us.net>2015-08-19 09:08:55 -0700
commitccf2dc51bc4a715670641aa5af0d4636acd8e0cd (patch)
tree65f3c46b2607f33b2cff9ffea0773252d66fb083 /Documentation/hwmon/ltc2978
parenthwmon: (ltc2978) Add polling for chips requiring it (diff)
downloadlinux-dev-ccf2dc51bc4a715670641aa5af0d4636acd8e0cd.tar.xz
linux-dev-ccf2dc51bc4a715670641aa5af0d4636acd8e0cd.zip
hwmon: (ltc2978) Add support for LTM4675
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>
Diffstat (limited to 'Documentation/hwmon/ltc2978')
-rw-r--r--Documentation/hwmon/ltc297824
1 files changed, 16 insertions, 8 deletions
diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978
index f997aa53eb95..9a49d3c90cd1 100644
--- a/Documentation/hwmon/ltc2978
+++ b/Documentation/hwmon/ltc2978
@@ -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.