Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: "http://devicetree.org/schemas/mailbox/sprd-mailbox.yaml#"
   5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   6
   7 title: Spreadtrum mailbox controller bindings
   8
   9 maintainers:
  10   - Orson Zhai <orsonzhai@gmail.com>
  11   - Baolin Wang <baolin.wang7@gmail.com>
  12   - Chunyan Zhang <zhang.lyra@gmail.com>
  13
  14 properties:
  15   compatible:
  16     enum:
  17       - sprd,sc9860-mailbox
  18
  19   reg:
  20     items:
  21       - description: inbox registers' base address
  22       - description: outbox registers' base address
  23
  24   interrupts:
  25     items:
  26       - description: inbox interrupt
  27       - description: outbox interrupt
  28
  29   clocks:
  30     maxItems: 1
  31
  32   clock-names:
  33     items:
  34       - const: enable
  35
  36   "#mbox-cells":
  37     const: 1
  38
  39 required:
  40   - compatible
  41   - reg
  42   - interrupts
  43   - "#mbox-cells"
  44   - clocks
  45   - clock-names
  46
  47 additionalProperties: false
  48
  49 examples:
  50   - |
  51     #include <dt-bindings/interrupt-controller/arm-gic.h>
  52     mailbox: mailbox@400a0000 {
  53       compatible = "sprd,sc9860-mailbox";
  54       reg = <0 0x400a0000 0 0x8000>, <0 0x400a8000 0 0x8000>;
  55       #mbox-cells = <1>;
  56       clock-names = "enable";
  57       clocks = <&aon_gate 53>;
  58       interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
  59     };
  60 ...