1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/st,stm32-spdifrx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: STMicroelectronics STM32 S/PDIF receiver (SPDIFRX)
8
9 maintainers:
10 - Olivier Moysan <olivier.moysan@foss.st.com>
11
12 description: |
13 The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
14 IEC-60958 and IEC-61937.
15
16 allOf:
17 - $ref: dai-common.yaml#
18
19 properties:
20 compatible:
21 enum:
22 - st,stm32h7-spdifrx
23
24 "#sound-dai-cells":
25 const: 0
26
27 reg:
28 maxItems: 1
29
30 clocks:
31 maxItems: 1
32
33 clock-names:
34 items:
35 - const: kclk
36
37 interrupts:
38 maxItems: 1
39
40 dmas:
41 items:
42 - description: audio data capture DMA
43 - description: IEC status bits capture DMA
44
45 dma-names:
46 items:
47 - const: rx
48 - const: rx-ctrl
49
50 resets:
51 maxItems: 1
52
53 access-controllers:
54 minItems: 1
55 maxItems: 2
56
57 required:
58 - compatible
59 - "#sound-dai-cells"
60 - reg
61 - clocks
62 - clock-names
63 - interrupts
64 - dmas
65 - dma-names
66
67 unevaluatedProperties: false
68
69 examples:
70 - |
71 #include <dt-bindings/interrupt-controller/arm-gic.h>
72 #include <dt-bindings/clock/stm32mp1-clks.h>
73 spdifrx: spdifrx@40004000 {
74 compatible = "st,stm32h7-spdifrx";
75 #sound-dai-cells = <0>;
76 reg = <0x40004000 0x400>;
77 clocks = <&rcc SPDIF_K>;
78 clock-names = "kclk";
79 interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
80 dmas = <&dmamux1 2 93 0x400 0x0>,
81 <&dmamux1 3 94 0x400 0x0>;
82 dma-names = "rx", "rx-ctrl";
83 pinctrl-0 = <&spdifrx_pins>;
84 pinctrl-names = "default";
85 };
86
87 ...
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