Documentation/devicetree/bindings/sound/brcm,bcm2835-i2s.yaml


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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/brcm,bcm2835-i2s.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Broadcom BCM2835 SoC I2S/PCM module

maintainers:
  - Florian Fainelli <florian.fainelli@broadcom.com>

properties:
  compatible:
    const: brcm,bcm2835-i2s

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  dmas:
    items:
      - description: Transmission DMA controller phandle and request line.
      - description: Reception DMA controller phandle and request line.

  dma-names:
    items:
      - const: tx
      - const: rx

required:
  - compatible
  - reg
  - clocks
  - dmas
  - dma-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/bcm2835.h>

    i2s@7e203000 {
        compatible = "brcm,bcm2835-i2s";
        reg = <0x7e203000 0x24>;
        clocks = <&clocks BCM2835_CLOCK_PCM>;
        dmas = <&dma 2>, <&dma 3>;
        dma-names = "tx", "rx";
    };