adi,adm1177.yaml

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    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 
    7 title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
    8 
    9 maintainers:
   10   - Michael Hennerich <michael.hennerich@analog.com>
   11 
   12 description: |
   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 
   16 properties:
   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 
   45 required:
   46   - compatible
   47   - reg
   48 
   49 additionalProperties: false
   50 
   51 examples:
   52   - |
   53     #include <dt-bindings/gpio/gpio.h>
   54     #include <dt-bindings/interrupt-controller/irq.h>
   55     i2c0 {
   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 ...

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sys/contrib/device-tree/Bindings/hwmon/adi,adm1177.yaml