xref: /freebsd/sys/contrib/device-tree/Bindings/sound/arm,pl041.yaml (revision d5b0e70f7e04d971691517ce1304d86a1e367e2e)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/arm,pl041.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Arm Ltd. PrimeCell PL041 AACI sound interface

maintainers:
  - Andre Przywara <andre.przywara@arm.com>

description:
  The Arm PrimeCell Advanced Audio CODEC Interface (AACI) is an AMBA compliant
  peripheral that provides communication with an audio CODEC using the AC-link
  protocol.

# We need a select here so we don't match all nodes with 'arm,primecell'
select:
  properties:
    compatible:
      contains:
        const: arm,pl041
  required:
    - compatible

properties:
  compatible:
    items:
      - const: arm,pl041
      - const: arm,primecell

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    description: APB register access clock

  clock-names:
    const: apb_pclk

required:
  - compatible
  - reg
  - interrupts
  - clocks

additionalProperties: false

examples:
  - |
    audio-controller@40000 {
        compatible = "arm,pl041", "arm,primecell";
        reg = <0x040000 0x1000>;
        interrupts = <11>;
        clocks = <&v2m_clk24mhz>;
        clock-names = "apb_pclk";
    };

...