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  - Beniamin Bia <beniamin.bia@analog.com>
12
13description: |
14  Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
15  https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
16
17properties:
18  compatible:
19    enum:
20      - adi,adm1177
21
22  reg:
23    maxItems: 1
24
25  avcc-supply:
26    description:
27      Phandle to the Avcc power supply
28
29  shunt-resistor-micro-ohms:
30    description:
31      The value of curent sense resistor in microohms. If not provided,
32      the current reading and overcurrent alert is disabled.
33
34  adi,shutdown-threshold-microamp:
35    description:
36      Specifies the current level at which an over current alert occurs.
37      If not provided, the overcurrent alert is configured to max ADC range
38      based on shunt-resistor-micro-ohms.
39
40  adi,vrange-high-enable:
41    description:
42      Specifies which internal voltage divider to be used. A 1 selects
43      a 7:2 voltage divider while a 0 selects a 14:1 voltage divider.
44    type: boolean
45
46required:
47  - compatible
48  - reg
49
50additionalProperties: false
51
52examples:
53  - |
54    #include <dt-bindings/gpio/gpio.h>
55    #include <dt-bindings/interrupt-controller/irq.h>
56    i2c0 {
57        #address-cells = <1>;
58        #size-cells = <0>;
59
60        pwmon@5a {
61                compatible = "adi,adm1177";
62                reg = <0x5a>;
63                shunt-resistor-micro-ohms = <50000>; /* 50 mOhm */
64                adi,shutdown-threshold-microamp = <1059000>; /* 1.059 A */
65                adi,vrange-high-enable;
66        };
67    };
68...
69