diff options
author | Nicolin Chen <nicoleotsuka@gmail.com> | 2018-10-02 04:05:22 +0300 |
---|---|---|
committer | Guenter Roeck <linux@roeck-us.net> | 2018-10-11 06:37:13 +0300 |
commit | 8b949c64d014c28b00472cb8eb9af78b95fc1d8c (patch) | |
tree | 4b82328bbb3e719c3c5cd3f977dd760bc53c42cc /Documentation/devicetree/bindings/hwmon | |
parent | 59d608e152e582604e384beebbd607686e4265cf (diff) | |
download | linux-8b949c64d014c28b00472cb8eb9af78b95fc1d8c.tar.xz |
dt-bindings: hwmon: Add ina3221 documentation
Texas Instruments INA3221 is a triple-channel shunt and bus
voltage monitor. This patch adds a DT binding doc for it.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon')
-rw-r--r-- | Documentation/devicetree/bindings/hwmon/ina3221.txt | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ina3221.txt b/Documentation/devicetree/bindings/hwmon/ina3221.txt new file mode 100644 index 000000000000..a7b25caa2b8e --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ina3221.txt @@ -0,0 +1,44 @@ +Texas Instruments INA3221 Device Tree Bindings + +1) ina3221 node + Required properties: + - compatible: Must be "ti,ina3221" + - reg: I2C address + + Optional properties: + = The node contains optional child nodes for three channels = + = Each child node describes the information of input source = + + - #address-cells: Required only if a child node is present. Must be 1. + - #size-cells: Required only if a child node is present. Must be 0. + +2) child nodes + Required properties: + - reg: Must be 0, 1 or 2, corresponding to IN1, IN2 or IN3 port of INA3221 + + Optional properties: + - label: Name of the input source + - shunt-resistor-micro-ohms: Shunt resistor value in micro-Ohm + +Example: + +ina3221@40 { + compatible = "ti,ina3221"; + reg = <0x40>; + #address-cells = <1>; + #size-cells = <0>; + + input@0 { + reg = <0x0>; + status = "disabled"; + }; + input@1 { + reg = <0x1>; + shunt-resistor-micro-ohms = <5000>; + }; + input@2 { + reg = <0x2>; + label = "VDD_5V"; + shunt-resistor-micro-ohms = <5000>; + }; +}; |