xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mfd/brcm,misc.yaml

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/brcm,misc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Broadcom's MISC block

maintainers:
  - Rafał Miłecki <rafal@milecki.pl>

description: |
  Broadcom's MISC is a hardware block used on some SoCs (e.g. bcm63xx and
  bcm4908). It's used to implement some simple functions like a watchdog, PCIe
  reset, UniMAC control and more.

properties:
  compatible:
    items:
      - const: brcm,misc
      - const: simple-mfd

  reg:
    description: MISC block registers

  ranges: true

  "#address-cells":
    const: 1

  "#size-cells":
    const: 1

patternProperties:
  '^reset-controller@[a-f0-9]+$':
    $ref: ../reset/brcm,bcm4908-misc-pcie-reset.yaml

additionalProperties: false

required:
  - reg
  - '#address-cells'
  - '#size-cells'

examples:
  - |
    misc@ff802600 {
        compatible = "brcm,misc", "simple-mfd";
        reg = <0xff802600 0xe4>;

        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0x0 0x0 0xe4>;

        reset-controller@44 {
            compatible = "brcm,bcm4908-misc-pcie-reset";
            reg = <0x44 0x4>;
            #reset-cells = <1>;
        };
    };