xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/sound/allwinner,sun50i-h6-dmic.yaml

# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/allwinner,sun50i-h6-dmic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner H6 DMIC

maintainers:
  - Ban Tao <fengzheng923@gmail.com>

allOf:
  - $ref: dai-common.yaml#

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - allwinner,sun20i-d1-dmic
          - const: allwinner,sun50i-h6-dmic
      - const: allwinner,sun50i-h6-dmic

  "#sound-dai-cells":
    const: 0

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: Bus Clock
      - description: Module Clock

  clock-names:
    items:
      - const: bus
      - const: mod

  dmas:
    items:
      - description: RX DMA Channel

  dma-names:
    items:
      - const: rx

  resets:
    maxItems: 1

required:
  - "#sound-dai-cells"
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names
  - dmas
  - dma-names
  - resets

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    #include <dt-bindings/clock/sun50i-h6-ccu.h>
    #include <dt-bindings/reset/sun50i-h6-ccu.h>

    dmic: dmic@5095000 {
      #sound-dai-cells = <0>;
      compatible = "allwinner,sun50i-h6-dmic";
      reg = <0x05095000 0x400>;
      interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
      clocks = <&ccu CLK_BUS_DMIC>, <&ccu CLK_DMIC>;
      clock-names = "bus", "mod";
      dmas = <&dma 7>;
      dma-names = "rx";
      resets = <&ccu RST_BUS_DMIC>;
    };

...