1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/hwmon/adi,adm1177.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor 8 9maintainers: 10 - Michael Hennerich <michael.hennerich@analog.com> 11 12description: | 13 Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor 14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf 15 16properties: 17 compatible: 18 enum: 19 - adi,adm1177 20 21 reg: 22 maxItems: 1 23 24 avcc-supply: 25 description: 26 Phandle to the Avcc power supply 27 28 shunt-resistor-micro-ohms: 29 description: 30 The value of curent sense resistor in microohms. If not provided, 31 the current reading and overcurrent alert is disabled. 32 33 adi,shutdown-threshold-microamp: 34 description: 35 Specifies the current level at which an over current alert occurs. 36 If not provided, the overcurrent alert is configured to max ADC range 37 based on shunt-resistor-micro-ohms. 38 39 adi,vrange-high-enable: 40 description: 41 Specifies which internal voltage divider to be used. A 1 selects 42 a 7:2 voltage divider while a 0 selects a 14:1 voltage divider. 43 type: boolean 44 45required: 46 - compatible 47 - reg 48 49additionalProperties: false 50 51examples: 52 - | 53 #include <dt-bindings/gpio/gpio.h> 54 #include <dt-bindings/interrupt-controller/irq.h> 55 i2c { 56 #address-cells = <1>; 57 #size-cells = <0>; 58 59 pwmon@5a { 60 compatible = "adi,adm1177"; 61 reg = <0x5a>; 62 shunt-resistor-micro-ohms = <50000>; /* 50 mOhm */ 63 adi,shutdown-threshold-microamp = <1059000>; /* 1.059 A */ 64 adi,vrange-high-enable; 65 }; 66 }; 67... 68