From: Marius Cristea <marius.cristea@xxxxxxxxxxxxx> This is the device tree schema for iio driver for Microchip PAC193X series of Power Monitors with Accumulator. Signed-off-by: Marius Cristea <marius.cristea@xxxxxxxxxxxxx> --- .../bindings/iio/adc/microchip,pac193x.yaml | 122 ++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/microchip,pac193x.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,pac193x.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,pac193x.yaml new file mode 100644 index 000000000000..e4ea560991e9 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/microchip,pac193x.yaml @@ -0,0 +1,122 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/microchip,pac193x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PAC193X Power Monitors with Accumulator + +maintainers: + - Marius Cristea <marius.cristea@xxxxxxxxxxxxx> + +properties: + compatible: + enum: + - microchip,pac1934 + - microchip,pac1933 + - microchip,pac1932 + - microchip,pac1931 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + microchip,samp-rate: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Sampling rate for all device's channels. + enum: [8, 64, 256, 1024] + default: 1024 + +required: + - compatible + - reg + - microchip,samp-rate + - "#address-cells" + - "#size-cells" + +patternProperties: + "^channel([1-4])@[1-4]+$": + $ref: "adc.yaml" + type: object + description: Represents the external channels which are connected to the ADC. + + properties: + reg: + description: The channel number. + It can have up to 4 channels, numbered from 1 to 4. + items: + - minimum: 1 + maximum: 4 + + microchip,uohms-shunt-res: + $ref: /schemas/types.yaml#/definitions/uint32 + 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. + + microchip,rail-name: + $ref: /schemas/types.yaml#/definitions/string + description: Name of the monitored power rail. + + microchip,bi-directional: + description: Whether the channel is bi-directional. + type: boolean + + required: + - reg + - microchip,uohms-shunt-res + - microchip,rail-name + + additionalProperties: false + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + pac193x: pac193x@10 { + compatible = "microchip,pac1934"; + reg = <0x10>; + + #address-cells = <1>; + #size-cells = <0>; + microchip,samp-rate = <64>; + + channel1@1 { + reg = <0x1>; + microchip,uohms-shunt-res = <24900000>; + microchip,rail-name = "CPU"; + }; + + channel2@2 { + reg = <0x2>; + microchip,uohms-shunt-res = <49900000>; + microchip,rail-name = "GPU"; + }; + + channel3@3 { + reg = <0x3>; + microchip,uohms-shunt-res = <75000000>; + microchip,rail-name = "MEM"; + microchip,bi-directional; + }; + + channel4@4 { + reg = <0x4>; + microchip,uohms-shunt-res = <100000000>; + microchip,rail-name = "NET"; + microchip,bi-directional; + }; + }; + }; + +... -- 2.34.1
