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author | Tom Levens <tom.levens@cern.ch> | 2017-07-03 06:28:59 +0200 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2018-05-21 07:52:00 -0700 |
commit | 7de859fcf92c8990902faea594d0128c541d14f6 (patch) | |
tree | 140049ec78b81db4cc9ee87dc8e469daa075d058 | |
parent | a6282d170339f86e05fd24bdf3104ca644a4b3a4 (diff) | |
download | linux-stable-7de859fcf92c8990902faea594d0128c541d14f6.tar.gz linux-stable-7de859fcf92c8990902faea594d0128c541d14f6.tar.bz2 linux-stable-7de859fcf92c8990902faea594d0128c541d14f6.zip |
hwmon: (ltc2990) add devicetree binding
Add a devicetree binding for the ltc2990 hwmon driver.
Signed-off-by: Tom Levens <tom.levens@cern.ch>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ltc2990.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ltc2990.txt b/Documentation/devicetree/bindings/hwmon/ltc2990.txt new file mode 100644 index 000000000000..f92f54029e84 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ltc2990.txt @@ -0,0 +1,36 @@ +ltc2990: Linear Technology LTC2990 power monitor + +Required properties: +- compatible: Must be "lltc,ltc2990" +- reg: I2C slave address +- lltc,meas-mode: + An array of two integers for configuring the chip measurement mode. + + The first integer defines the bits 2..0 in the control register. In all + cases the internal temperature and supply voltage are measured. In + addition the following input measurements are enabled per mode: + + 0: V1, V2, TR2 + 1: V1-V2, TR2 + 2: V1-V2, V3, V4 + 3: TR1, V3, V4 + 4: TR1, V3-V4 + 5: TR1, TR2 + 6: V1-V2, V3-V4 + 7: V1, V2, V3, V4 + + The second integer defines the bits 4..3 in the control register. This + allows a subset of the measurements to be enabled: + + 0: Internal temperature and supply voltage only + 1: TR1, V1 or V1-V2 only per mode + 2: TR2, V3 or V3-V4 only per mode + 3: All measurements per mode + +Example: + +ltc2990@4c { + compatible = "lltc,ltc2990"; + reg = <0x4c>; + lltc,meas-mode = <7 3>; /* V1, V2, V3, V4 */ +}; |