From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- .../bindings/iio/afe/current-sense-amplifier.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt (limited to 'Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt') diff --git a/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt b/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt new file mode 100644 index 000000000..821b61b8c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/afe/current-sense-amplifier.txt @@ -0,0 +1,26 @@ +Current Sense Amplifier +======================= + +When an io-channel measures the output voltage from a current sense +amplifier, the interesting measurement is almost always the current +through the sense resistor, not the voltage output. This binding +describes such a current sense circuit. + +Required properties: +- compatible : "current-sense-amplifier" +- io-channels : Channel node of a voltage io-channel. +- sense-resistor-micro-ohms : The sense resistance in microohms. + +Optional properties: +- sense-gain-mult: Amplifier gain multiplier. The default is <1>. +- sense-gain-div: Amplifier gain divider. The default is <1>. + +Example: + +sysi { + compatible = "current-sense-amplifier"; + io-channels = <&tiadc 0>; + + sense-resistor-micro-ohms = <20000>; + sense-gain-mul = <50>; +}; -- cgit v1.2.3