xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/st,stm32-spdifrx.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/sound/st,stm32-spdifrx.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: STMicroelectronics STM32 S/PDIF receiver (SPDIFRX)
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Olivier Moysan <olivier.moysan@st.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyundescription: |
13*4882a593Smuzhiyun  The SPDIFRX peripheral, is designed to receive an S/PDIF flow compliant with
14*4882a593Smuzhiyun  IEC-60958 and IEC-61937.
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    enum:
19*4882a593Smuzhiyun      - st,stm32h7-spdifrx
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun  "#sound-dai-cells":
22*4882a593Smuzhiyun    const: 0
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun  reg:
25*4882a593Smuzhiyun    maxItems: 1
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun  clocks:
28*4882a593Smuzhiyun    maxItems: 1
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  clock-names:
31*4882a593Smuzhiyun    items:
32*4882a593Smuzhiyun      - const: kclk
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  interrupts:
35*4882a593Smuzhiyun    maxItems: 1
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun  dmas:
38*4882a593Smuzhiyun    items:
39*4882a593Smuzhiyun      - description: audio data capture DMA
40*4882a593Smuzhiyun      - description: IEC status bits capture DMA
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun  dma-names:
43*4882a593Smuzhiyun    items:
44*4882a593Smuzhiyun      - const: rx
45*4882a593Smuzhiyun      - const: rx-ctrl
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun  resets:
48*4882a593Smuzhiyun    maxItems: 1
49*4882a593Smuzhiyun
50*4882a593Smuzhiyunrequired:
51*4882a593Smuzhiyun  - compatible
52*4882a593Smuzhiyun  - "#sound-dai-cells"
53*4882a593Smuzhiyun  - reg
54*4882a593Smuzhiyun  - clocks
55*4882a593Smuzhiyun  - clock-names
56*4882a593Smuzhiyun  - interrupts
57*4882a593Smuzhiyun  - dmas
58*4882a593Smuzhiyun  - dma-names
59*4882a593Smuzhiyun
60*4882a593SmuzhiyunadditionalProperties: false
61*4882a593Smuzhiyun
62*4882a593Smuzhiyunexamples:
63*4882a593Smuzhiyun  - |
64*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
65*4882a593Smuzhiyun    #include <dt-bindings/clock/stm32mp1-clks.h>
66*4882a593Smuzhiyun    spdifrx: spdifrx@40004000 {
67*4882a593Smuzhiyun        compatible = "st,stm32h7-spdifrx";
68*4882a593Smuzhiyun        #sound-dai-cells = <0>;
69*4882a593Smuzhiyun        reg = <0x40004000 0x400>;
70*4882a593Smuzhiyun        clocks = <&rcc SPDIF_K>;
71*4882a593Smuzhiyun        clock-names = "kclk";
72*4882a593Smuzhiyun        interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
73*4882a593Smuzhiyun        dmas = <&dmamux1 2 93 0x400 0x0>,
74*4882a593Smuzhiyun               <&dmamux1 3 94 0x400 0x0>;
75*4882a593Smuzhiyun        dma-names = "rx", "rx-ctrl";
76*4882a593Smuzhiyun        pinctrl-0 = <&spdifrx_pins>;
77*4882a593Smuzhiyun        pinctrl-names = "default";
78*4882a593Smuzhiyun    };
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun...
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