diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2015-08-07 18:06:37 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2015-08-12 21:29:36 +0200 |
| commit | 15398566f0ea95c66d202b8705dba4f59b9ba01c (patch) | |
| tree | 94d15f6856498cde8a80e1b9795faa7934be3e56 /Documentation | |
| parent | hwmon: (ltc2978) Add additional chip IDs for LTM4676 and LTM4676A (diff) | |
| download | linux-15398566f0ea95c66d202b8705dba4f59b9ba01c.tar.xz linux-15398566f0ea95c66d202b8705dba4f59b9ba01c.zip | |
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')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/ltc2978.txt | 1 | ||||
| -rw-r--r-- | Documentation/hwmon/ltc2978 | 19 |
2 files changed, 13 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt index 230389f6c984..c1d23c14ddd9 100644 --- a/Documentation/devicetree/bindings/hwmon/ltc2978.txt +++ b/Documentation/devicetree/bindings/hwmon/ltc2978.txt @@ -8,6 +8,7 @@ Required properties: * "lltc,ltc3880" * "lltc,ltc3882" * "lltc,ltc3883" + * "lltc,ltc3887" * "lltc,ltm4676" - reg: I2C slave address 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: Prefix: 'ltc3883' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc3883 + * Linear Technology LTC3887 + Prefix: 'ltc3887' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc3887 * Linear Technology LTM4676 Prefix: 'ltm4676' Addresses scanned: - @@ -41,7 +45,8 @@ Description LTC2974 is a quad digital power supply managers. LTC2978 is an octal power supply monitor. LTC2977 is a pin compatible replacement for LTC2978. -LTC3880 and LTC3882 are dual output poly-phase step-down DC/DC controllers. +LTC3880, LTC3882, and LTC3887 are dual output poly-phase step-down DC/DC +controllers. LTC3883 is a single phase step-down DC/DC controller. LTM4676 is a dual 13A or single 26A uModule regulator. @@ -85,7 +90,7 @@ in[N]_label "vout[1-8]". LTC2974: N=2-5 LTC2977: N=2-9 LTC2978: N=2-9 - LTC3880, LTC3882, LTM4676: N=2-3 + LTC3880, LTC3882, LTC3887, LTM4676: N=2-3 LTC3883: N=2 in[N]_input Measured output voltage. in[N]_min Minimum output voltage. @@ -105,8 +110,8 @@ temp[N]_input Measured temperature. and temp5 reports the chip temperature. On LTC2977 and LTC2978, only one temperature measurement is supported and reports the chip temperature. - On LTC3880, LTC3882, and LTM4676, temp1 and temp2 - report external temperatures, and temp3 reports + On LTC3880, LTC3882, LTC3887, 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. @@ -134,11 +139,11 @@ power[N]_label "pout[1-4]". LTC2974: N=1-4 LTC2977: Not supported LTC2978: Not supported - LTC3880, LTC3882, LTM4676: N=1-2 + LTC3880, LTC3882, LTC3887, LTM4676: N=1-2 LTC3883: N=2 power[N]_input Measured output power. -curr1_label "iin". LTC3880, LTC3883, and LTM4676 only. +curr1_label "iin". LTC3880, LTC3883, LTC3887, and LTM4676 only. curr1_input Measured input current. curr1_max Maximum input current. curr1_max_alarm Input current high alarm. @@ -149,7 +154,7 @@ curr[N]_label "iout[1-4]". LTC2974: N=1-4 LTC2977: not supported LTC2978: not supported - LTC3880, LTC3882, LTM4676: N=2-3 + LTC3880, LTC3882, LTC3887, LTM4676: N=2-3 LTC3883: N=2 curr[N]_input Measured output current. curr[N]_max Maximum output current. |