iio/afe/current-sense-amplifier.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/afe/current-sense-amplifier.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Current Sense Amplifier
10   - Peter Rosin <peda@axentia.se>
13   When an io-channel measures the output voltage from a current sense
15   through the sense resistor, not the voltage output. This binding
16   describes such a current sense circuit.
20     const: current-sense-amplifier
22   io-channels:
25       Channel node of a voltage io-channel.
27   sense-resistor-micro-ohms:
28     description: The sense resistance.
30   sense-gain-mult:
32     description: Amplifier gain multiplier. The default is <1>.
34   sense-gain-div:
36     description: Amplifier gain divider. The default is <1>.
39   - compatible
40   - io-channels
41   - sense-resistor-micro-ohms
46   - |
48         compatible = "current-sense-amplifier";
49         io-channels = <&tiadc 0>;
51         sense-resistor-micro-ohms = <20000>;
52         sense-gain-mult = <50>;