From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/iio/adc/max9611.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/max9611.txt (limited to 'Documentation/devicetree/bindings/iio/adc/max9611.txt') diff --git a/Documentation/devicetree/bindings/iio/adc/max9611.txt b/Documentation/devicetree/bindings/iio/adc/max9611.txt new file mode 100644 index 000000000..ab4f43145 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/max9611.txt @@ -0,0 +1,27 @@ +* Maxim max9611/max9612 current sense amplifier with 12-bits ADC interface + +Maxim max9611/max9612 is an high-side current sense amplifier with integrated +12-bits ADC communicating over I2c bus. +The device node for this driver shall be a child of a I2c controller. + +Required properties + - compatible: Should be "maxim,max9611" or "maxim,max9612" + - reg: The 7-bits long I2c address of the device + - shunt-resistor-micro-ohms: Value, in micro Ohms, of the current sense shunt + resistor + +Example: + +&i2c4 { + csa: adc@7c { + compatible = "maxim,max9611"; + reg = <0x7c>; + + shunt-resistor-micro-ohms = <5000>; + }; +}; + +This device node describes a current sense amplifier sitting on I2c4 bus +with address 0x7c (read address is 0xf9, write address is 0xf8). +A sense resistor of 0,005 Ohm is installed between RS+ and RS- current-sensing +inputs. -- cgit v1.2.3