Documentation/devicetree/bindings/mailbox/microchip,mpfs-mailbox.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mailbox/microchip,mpfs-mailbox.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip PolarFire SoC (MPFS) MSS (microprocessor subsystem) mailbox controller
   8
   9 maintainers:
  10   - Conor Dooley <conor.dooley@microchip.com>
  11
  12 properties:
  13   compatible:
  14     const: microchip,mpfs-mailbox
  15
  16   reg:
  17     oneOf:
  18       - items:
  19           - description: mailbox control & data registers
  20           - description: mailbox interrupt registers
  21         deprecated: true
  22       - items:
  23           - description: mailbox control registers
  24           - description: mailbox interrupt registers
  25           - description: mailbox data registers
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   "#mbox-cells":
  31     const: 1
  32
  33 required:
  34   - compatible
  35   - reg
  36   - interrupts
  37   - "#mbox-cells"
  38
  39 additionalProperties: false
  40
  41 examples:
  42   - |
  43     soc {
  44       #address-cells = <2>;
  45       #size-cells = <2>;
  46       mbox: mailbox@37020000 {
  47         compatible = "microchip,mpfs-mailbox";
  48         reg = <0x0 0x37020000 0x0 0x58>, <0x0 0x2000318C 0x0 0x40>,
  49               <0x0 0x37020800 0x0 0x100>;
  50         interrupt-parent = <&L1>;
  51         interrupts = <96>;
  52         #mbox-cells = <1>;
  53       };
  54     };