Add binging for Microchip PAC1921 Power/Current monitor Signed-off-by: Matteo Martelli <matteomartelli3@xxxxxxxxx> --- .../bindings/iio/adc/microchip,pac1921.yaml | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,pac1921.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,pac1921.yaml new file mode 100644 index 000000000000..ec08228dcc16 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/microchip,pac1921.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/microchip,pac1921.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PAC1921 High-Side Power/Current Monitor with Anaog Output + +maintainers: + - Matteo Martelli <matteomartelli3@xxxxxxxxx> + +description: | + The PAC1921 is a power/current monitoring device with an analog output + and I2C/SMBus interface. + + Datasheet can be found here: + https://ww1.microchip.com/downloads/en/DeviceDoc/PAC1921-Data-Sheet-DS20005293E.pdf + +properties: + compatible: + const: microchip,pac1921 + + reg: + maxItems: 1 + + "#io-channel-cells": + const: 1 + + shunt-resistor-micro-ohms: + description: + Value in micro Ohms of the shunt resistor connected between + the SENSE+ and SENSE- inputs, across which the current is measured. + Value is needed to compute the scaling of the measured current. + + label: + description: Unique name to identify which device this is. + + microchip,dv-gain: + description: + Digital multiplier to control the effective bus voltage gain. The gain + value of 1 is the setting for the full-scale range and it can be increased + when the system is designed for a lower VBUS range. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 4, 8, 16, 32] + default: 1 + + microchip,di-gain: + description: + Digital multiplier to control the effective current gain. The gain + value of 1 is the setting for the full-scale range and it can be + increased when the system is designed for a lower VSENSE range. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 4, 8, 16, 32, 64, 128] + default: 1 + +required: + - compatible + - reg + - shunt-resistor-micro-ohms + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@4c { + compatible = "microchip,pac1921"; + #io-channel-cells = <1>; + label = "vbat"; + reg = <0x4c>; + shunt-resistor-micro-ohms = <10000>; + microchip,dv-gain = <4>; + microchip,di-gain = <32>; + }; + }; +... -- 2.45.1
