Re: [PATCH v5 1/2] dt-bindings: hwmon: ltc2991: add bindings

From: Guenter Roeck
Date: Sat Oct 28 2023 - 12:16:35 EST


On Thu, Oct 26, 2023 at 01:33:12PM +0300, Antoniu Miclaus wrote:
> Add dt-bindings for ltc2991 octal i2c voltage, current and temperature
> monitor.
>
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Applied.

Thanks,
Guenter

> ---
> no changes in v5.
> .../bindings/hwmon/adi,ltc2991.yaml | 128 ++++++++++++++++++
> 1 file changed, 128 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml
> new file mode 100644
> index 000000000000..011e5b65c79c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2991.yaml
> @@ -0,0 +1,128 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/hwmon/adi,ltc2991.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices LTC2991 Octal I2C Voltage, Current and Temperature Monitor
> +
> +maintainers:
> + - Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
> +
> +description: |
> + The LTC2991 is used to monitor system temperatures, voltages and currents.
> + Through the I2C serial interface, the eight monitors can individually measure
> + supply voltages and can be paired for differential measurements of current
> + sense resistors or temperature sensing transistors.
> +
> + Datasheet:
> + https://www.analog.com/en/products/ltc2991.html
> +
> +properties:
> + compatible:
> + const: adi,ltc2991
> +
> + reg:
> + maxItems: 1
> +
> + '#address-cells':
> + const: 1
> +
> + '#size-cells':
> + const: 0
> +
> + vcc-supply: true
> +
> +patternProperties:
> + "^channel@[0-3]$":
> + type: object
> + description:
> + Represents the differential/temperature channels.
> +
> + properties:
> + reg:
> + description:
> + The channel number. LTC2991 can monitor 4 currents/temperatures.
> + items:
> + minimum: 0
> + maximum: 3
> +
> + shunt-resistor-micro-ohms:
> + description:
> + The value of curent sense resistor in micro ohms. Pin configuration is
> + set for differential input pair.
> +
> + adi,temperature-enable:
> + description:
> + Enables temperature readings. Pin configuration is set for remote
> + diode temperature measurement.
> + type: boolean
> +
> + required:
> + - reg
> +
> + allOf:
> + - if:
> + required:
> + - shunt-resistor-micro-ohms
> + then:
> + properties:
> + adi,temperature-enable: false
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - vcc-supply
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hwmon@48 {
> + compatible = "adi,ltc2991";
> + reg = <0x48>;
> + vcc-supply = <&vcc>;
> + };
> + };
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + hwmon@48 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + compatible = "adi,ltc2991";
> + reg = <0x48>;
> + vcc-supply = <&vcc>;
> +
> + channel@0 {
> + reg = <0x0>;
> + shunt-resistor-micro-ohms = <100000>;
> + };
> +
> + channel@1 {
> + reg = <0x1>;
> + shunt-resistor-micro-ohms = <100000>;
> + };
> +
> + channel@2 {
> + reg = <0x2>;
> + adi,temperature-enable;
> + };
> +
> + channel@3 {
> + reg = <0x3>;
> + adi,temperature-enable;
> + };
> + };
> + };
> +...