Documentation/devicetree/bindings/mfd/brcm,misc.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mfd/brcm,misc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom's MISC block
   8
   9 maintainers:
  10   - Rafał Miłecki <rafal@milecki.pl>
  11
  12 description: |
  13   Broadcom's MISC is a hardware block used on some SoCs (e.g. bcm63xx and
  14   bcm4908). It's used to implement some simple functions like a watchdog, PCIe
  15   reset, UniMAC control and more.
  16
  17 properties:
  18   compatible:
  19     items:
  20       - const: brcm,misc
  21       - const: simple-mfd
  22
  23   reg:
  24     description: MISC block registers
  25
  26   ranges: true
  27
  28   "#address-cells":
  29     const: 1
  30
  31   "#size-cells":
  32     const: 1
  33
  34 patternProperties:
  35   '^reset-controller@[a-f0-9]+$':
  36     $ref: ../reset/brcm,bcm4908-misc-pcie-reset.yaml
  37
  38 additionalProperties: false
  39
  40 required:
  41   - reg
  42   - '#address-cells'
  43   - '#size-cells'
  44
  45 examples:
  46   - |
  47     misc@ff802600 {
  48         compatible = "brcm,misc", "simple-mfd";
  49         reg = <0xff802600 0xe4>;
  50
  51         #address-cells = <1>;
  52         #size-cells = <1>;
  53         ranges = <0x0 0x0 0xe4>;
  54
  55         reset-controller@44 {
  56             compatible = "brcm,bcm4908-misc-pcie-reset";
  57             reg = <0x44 0x4>;
  58             #reset-cells = <1>;
  59         };
  60     };