Add dt-bindings for Renesase ISL28022 power monitor. Signed-off-by: Carsten Spieß <mail@xxxxxxxxxxxxxxxxx> --- .../bindings/hwmon/renesas,isl28022.yaml | 67 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml diff --git a/Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml b/Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml new file mode 100644 index 000000000000..5ecf892db269 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/renesas,isl28022.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas ISL28022 power monitor + +maintainers: + - Carsten Spieß <mail@xxxxxxxxxxxxxxxxx> + +description: | + The ISL28022 is a power monitor with I2C interface. The device monitors + voltage, current via shunt resistor and calculated power. + + Datasheets: + https://www.renesas.com/us/en/www/doc/datasheet/isl28022.pdf + +Required properties: + compatible: + enum: + - renesas,isl28022 + + reg: + maxItems: 1 + +Optional properties: + shunt-resistor-micro-ohms: + description: + Shunt resistor value in micro-Ohm + defaults to <0> when not set + monitoring of current and power not supported when <0> + + shunt-gain: + description: + Shunt gain to scale maximal shunt voltage to + 40mV, 80mV, 160mV, 320mV + defaults to <8> (320mV) when not set + enum: [1, 2, 4, 8] + + average: + description: | + Number of samples to be used to report voltage, current and power values. + defaults to <0> when not set + enum: [0, 1, 2, 4, 8, 16, 32, 64, 128] + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + power-monitor@40 { + compatible = "renesas,isl28022"; + reg = <0x10>; + shunt-resistor-micro-ohms = <8000>; + shunt-gain = <1>; + average = <128>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c61aa688cd11..ec9b97ace50b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11076,6 +11076,7 @@ ISL28022 HARDWARE MONITORING DRIVER M: Carsten Spieß <mail@xxxxxxxxxxxxxxxxx> L: linux-hwmon@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml F: Documentation/hwmon/isl28022.rst F: drivers/hwmon/isl28022.c -- 2.34.1
