xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-spdif.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-spdif.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Allwinner A10 S/PDIF Controller Device Tree Bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Chen-Yu Tsai <wens@csie.org>
11*4882a593Smuzhiyun  - Liam Girdwood <lgirdwood@gmail.com>
12*4882a593Smuzhiyun  - Mark Brown <broonie@kernel.org>
13*4882a593Smuzhiyun  - Maxime Ripard <mripard@kernel.org>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyunproperties:
16*4882a593Smuzhiyun  "#sound-dai-cells":
17*4882a593Smuzhiyun    const: 0
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun  compatible:
20*4882a593Smuzhiyun    oneOf:
21*4882a593Smuzhiyun      - const: allwinner,sun4i-a10-spdif
22*4882a593Smuzhiyun      - const: allwinner,sun6i-a31-spdif
23*4882a593Smuzhiyun      - const: allwinner,sun8i-h3-spdif
24*4882a593Smuzhiyun      - const: allwinner,sun50i-h6-spdif
25*4882a593Smuzhiyun      - items:
26*4882a593Smuzhiyun          - const: allwinner,sun8i-a83t-spdif
27*4882a593Smuzhiyun          - const: allwinner,sun8i-h3-spdif
28*4882a593Smuzhiyun      - items:
29*4882a593Smuzhiyun          - const: allwinner,sun50i-a64-spdif
30*4882a593Smuzhiyun          - const: allwinner,sun8i-h3-spdif
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun  reg:
33*4882a593Smuzhiyun    maxItems: 1
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun  interrupts:
36*4882a593Smuzhiyun    maxItems: 1
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun  clocks:
39*4882a593Smuzhiyun    items:
40*4882a593Smuzhiyun      - description: Bus Clock
41*4882a593Smuzhiyun      - description: Module Clock
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun  clock-names:
44*4882a593Smuzhiyun    items:
45*4882a593Smuzhiyun      - const: apb
46*4882a593Smuzhiyun      - const: spdif
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun  # Even though it only applies to subschemas under the conditionals,
49*4882a593Smuzhiyun  # not listing them here will trigger a warning because of the
50*4882a593Smuzhiyun  # additionalsProperties set to false.
51*4882a593Smuzhiyun  dmas: true
52*4882a593Smuzhiyun  dma-names: true
53*4882a593Smuzhiyun  resets:
54*4882a593Smuzhiyun    maxItems: 1
55*4882a593Smuzhiyun
56*4882a593SmuzhiyunallOf:
57*4882a593Smuzhiyun  - if:
58*4882a593Smuzhiyun      properties:
59*4882a593Smuzhiyun        compatible:
60*4882a593Smuzhiyun          contains:
61*4882a593Smuzhiyun            enum:
62*4882a593Smuzhiyun              - allwinner,sun6i-a31-spdif
63*4882a593Smuzhiyun              - allwinner,sun8i-h3-spdif
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun    then:
66*4882a593Smuzhiyun      required:
67*4882a593Smuzhiyun        - resets
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun  - if:
70*4882a593Smuzhiyun      properties:
71*4882a593Smuzhiyun        compatible:
72*4882a593Smuzhiyun          contains:
73*4882a593Smuzhiyun            enum:
74*4882a593Smuzhiyun              - allwinner,sun8i-h3-spdif
75*4882a593Smuzhiyun              - allwinner,sun50i-h6-spdif
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun    then:
78*4882a593Smuzhiyun      properties:
79*4882a593Smuzhiyun        dmas:
80*4882a593Smuzhiyun          description: TX DMA Channel
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun        dma-names:
83*4882a593Smuzhiyun          const: tx
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun    else:
86*4882a593Smuzhiyun      properties:
87*4882a593Smuzhiyun        dmas:
88*4882a593Smuzhiyun          items:
89*4882a593Smuzhiyun            - description: RX DMA Channel
90*4882a593Smuzhiyun            - description: TX DMA Channel
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun        dma-names:
93*4882a593Smuzhiyun          items:
94*4882a593Smuzhiyun            - const: rx
95*4882a593Smuzhiyun            - const: tx
96*4882a593Smuzhiyun
97*4882a593Smuzhiyunrequired:
98*4882a593Smuzhiyun  - "#sound-dai-cells"
99*4882a593Smuzhiyun  - compatible
100*4882a593Smuzhiyun  - reg
101*4882a593Smuzhiyun  - interrupts
102*4882a593Smuzhiyun  - clocks
103*4882a593Smuzhiyun  - clock-names
104*4882a593Smuzhiyun  - dmas
105*4882a593Smuzhiyun  - dma-names
106*4882a593Smuzhiyun
107*4882a593SmuzhiyunadditionalProperties: false
108*4882a593Smuzhiyun
109*4882a593Smuzhiyunexamples:
110*4882a593Smuzhiyun  - |
111*4882a593Smuzhiyun    spdif: spdif@1c21000 {
112*4882a593Smuzhiyun        #sound-dai-cells = <0>;
113*4882a593Smuzhiyun        compatible = "allwinner,sun4i-a10-spdif";
114*4882a593Smuzhiyun        reg = <0x01c21000 0x40>;
115*4882a593Smuzhiyun        interrupts = <13>;
116*4882a593Smuzhiyun        clocks = <&apb0_gates 1>, <&spdif_clk>;
117*4882a593Smuzhiyun        clock-names = "apb", "spdif";
118*4882a593Smuzhiyun        dmas = <&dma 0 2>, <&dma 0 2>;
119*4882a593Smuzhiyun        dma-names = "rx", "tx";
120*4882a593Smuzhiyun    };
121*4882a593Smuzhiyun
122*4882a593Smuzhiyun...
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