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