1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/arm,pl041.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Arm Ltd. PrimeCell PL041 AACI sound interface
8
9 maintainers:
10 - Andre Przywara <andre.przywara@arm.com>
11
12 description:
13 The Arm PrimeCell Advanced Audio CODEC Interface (AACI) is an AMBA compliant
14 peripheral that provides communication with an audio CODEC using the AC-link
15 protocol.
16
17 # We need a select here so we don't match all nodes with 'arm,primecell'
18 select:
19 properties:
20 compatible:
21 contains:
22 const: arm,pl041
23 required:
24 - compatible
25
26 properties:
27 compatible:
28 items:
29 - const: arm,pl041
30 - const: arm,primecell
31
32 reg:
33 maxItems: 1
34
35 interrupts:
36 maxItems: 1
37
38 clocks:
39 description: APB register access clock
40
41 clock-names:
42 const: apb_pclk
43
44 required:
45 - compatible
46 - reg
47 - interrupts
48 - clocks
49
50 additionalProperties: false
51
52 examples:
53 - |
54 audio-controller@40000 {
55 compatible = "arm,pl041", "arm,primecell";
56 reg = <0x040000 0x1000>;
57 interrupts = <11>;
58 clocks = <&v2m_clk24mhz>;
59 clock-names = "apb_pclk";
60 };
61
62 ...
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