152 lines
3.2 KiB
YAML
152 lines
3.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/maxim,max5970.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Regulator for MAX5970 Smart Switch from Maxim Integrated
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maintainers:
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- Patrick Rudolph <patrick.rudolph@9elements.com>
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description: |
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The smart switch provides no output regulation, but independent fault protection
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and voltage and current sensing.
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Programming is done through I2C bus.
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Datasheets:
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https://datasheets.maximintegrated.com/en/ds/MAX5970.pdf
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https://datasheets.maximintegrated.com/en/ds/MAX5978.pdf
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properties:
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compatible:
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enum:
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- maxim,max5970
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- maxim,max5978
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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leds:
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type: object
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description:
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Properties for four LEDS.
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properties:
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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patternProperties:
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"^led@[0-3]$":
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$ref: /schemas/leds/common.yaml#
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type: object
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additionalProperties: false
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vss1-supply:
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description: Supply of the first channel.
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vss2-supply:
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description: Supply of the second channel.
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regulators:
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type: object
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description:
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Properties for both hot swap control/switch.
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patternProperties:
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"^sw[0-1]$":
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$ref: /schemas/regulator/regulator.yaml#
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type: object
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properties:
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shunt-resistor-micro-ohms:
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description: |
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The value of current sense resistor in microohms.
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required:
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- shunt-resistor-micro-ohms
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unevaluatedProperties: false
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additionalProperties: false
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required:
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- compatible
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- reg
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- regulators
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- vss1-supply
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allOf:
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- if:
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properties:
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compatible:
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enum:
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- maxim,max5970
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then:
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required:
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- vss2-supply
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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regulator@3a {
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compatible = "maxim,max5978";
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reg = <0x3a>;
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vss1-supply = <&p3v3>;
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regulators {
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sw0_ref_0: sw0 {
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shunt-resistor-micro-ohms = <12000>;
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};
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};
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leds {
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#address-cells = <1>;
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#size-cells = <0>;
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led@0 {
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reg = <0>;
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label = "led0";
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default-state = "on";
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};
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led@1 {
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reg = <1>;
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label = "led1";
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default-state = "on";
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};
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};
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};
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};
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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regulator@3a {
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compatible = "maxim,max5970";
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reg = <0x3a>;
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vss1-supply = <&p3v3>;
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vss2-supply = <&p5v>;
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regulators {
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sw0_ref_1: sw0 {
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shunt-resistor-micro-ohms = <12000>;
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};
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sw1_ref_1: sw1 {
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shunt-resistor-micro-ohms = <10000>;
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};
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};
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};
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};
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...
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