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-Texas Instruments INA3221 Device Tree Bindings
-
-1) ina3221 node
- Required properties:
- - compatible: Must be "ti,ina3221"
- - reg: I2C address
-
- Optional properties:
- - ti,single-shot: This chip has two power modes: single-shot (chip takes one
- measurement and then shuts itself down) and continuous (
- chip takes continuous measurements). The continuous mode is
- more reliable and suitable for hardware monitor type device,
- but the single-shot mode is more power-friendly and useful
- for battery-powered device which cares power consumptions
- while still needs some measurements occasionally.
- If this property is present, the single-shot mode will be
- used, instead of the default continuous one for monitoring.
-
- = 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>;
- };
-};