dt-bindings: hwmon: (mr75203) fix "intel,vm-map" property to be optional

[people/ms/linux.git] / Documentation / devicetree / bindings / hwmon / moortec,mr75203.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/moortec,mr75203.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Moortec Semiconductor MR75203 PVT Controller bindings

maintainers:
  - Rahul Tanwar <rtanwar@maxlinear.com>

properties:
  compatible:
    const: moortec,mr75203

  reg:
    items:
      - description: PVT common registers
      - description: PVT temprature sensor registers
      - description: PVT process detector registers
      - description: PVT voltage monitor registers

  reg-names:
    items:
      - const: common
      - const: ts
      - const: pd
      - const: vm

  intel,vm-map:
    description:
      PVT controller has 5 VM (voltage monitor) sensors.
      vm-map defines CPU core to VM instance mapping. A
      value of 0xff means that VM sensor is unused.
    $ref: /schemas/types.yaml#/definitions/uint8-array
    maxItems: 5

  clocks:
    maxItems: 1

  resets:
    maxItems: 1

  "#thermal-sensor-cells":
    const: 1

required:
  - compatible
  - reg
  - reg-names
  - clocks
  - resets
  - "#thermal-sensor-cells"

additionalProperties: false

examples:
  - |
    pvt: pvt@e0680000 {
        compatible = "moortec,mr75203";
        reg = <0xe0680000 0x80>,
              <0xe0680080 0x180>,
              <0xe0680200 0x200>,
              <0xe0680400 0xc00>;
        reg-names = "common", "ts", "pd", "vm";
        intel,vm-map = [03 01 04 ff ff];
        clocks = <&osc0>;
        resets = <&rcu0 0x40 7>;
        #thermal-sensor-cells = <1>;
    };