Documentation/devicetree/bindings/power/brcm,bcm-pmb.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/power/brcm,bcm-pmb.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom PMB (Power Management Bus) controller
   8
   9 description: This document describes Broadcom's PMB controller. It supports
  10   powering various types of connected devices (e.g. PCIe, USB, SATA).
  11
  12 maintainers:
  13   - Rafał Miłecki <rafal@milecki.pl>
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - brcm,bcm4908-pmb
  19       - brcm,bcm63138-pmb
  20
  21   reg:
  22     description: register space of one or more buses
  23     maxItems: 1
  24
  25   big-endian:
  26     $ref: /schemas/types.yaml#/definitions/flag
  27     description: Flag to use for block working in big endian mode.
  28
  29   "#power-domain-cells":
  30     description: cell specifies device ID (see bcm-pmb.h)
  31     const: 1
  32
  33 required:
  34   - reg
  35   - "#power-domain-cells"
  36
  37 additionalProperties: false
  38
  39 examples:
  40   - |
  41     #include <dt-bindings/soc/bcm-pmb.h>
  42
  43     pmb: power-controller@802800e0 {
  44         compatible = "brcm,bcm4908-pmb";
  45         reg = <0x802800e0 0x40>;
  46         #power-domain-cells = <1>;
  47     };
  48
  49     foo {
  50         power-domains = <&pmb BCM_PMB_PCIE0>;
  51     };