1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/starfive,jh7110-tdm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: StarFive JH7110 TDM Controller
8
9 description: |
10 The TDM Controller is a Time Division Multiplexed audio interface
11 integrated in StarFive JH7110 SoC, allowing up to 8 channels of
12 audio over a serial interface. The TDM controller can operate both
13 in master and slave mode.
14
15 maintainers:
16 - Walker Chen <walker.chen@starfivetech.com>
17
18 allOf:
19 - $ref: dai-common.yaml#
20
21 properties:
22 compatible:
23 enum:
24 - starfive,jh7110-tdm
25
26 reg:
27 maxItems: 1
28
29 clocks:
30 items:
31 - description: TDM AHB Clock
32 - description: TDM APB Clock
33 - description: TDM Internal Clock
34 - description: TDM Clock
35 - description: Inner MCLK
36 - description: TDM External Clock
37
38 clock-names:
39 items:
40 - const: tdm_ahb
41 - const: tdm_apb
42 - const: tdm_internal
43 - const: tdm
44 - const: mclk_inner
45 - const: tdm_ext
46
47 resets:
48 items:
49 - description: tdm ahb reset line
50 - description: tdm apb reset line
51 - description: tdm core reset line
52
53 dmas:
54 items:
55 - description: RX DMA Channel
56 - description: TX DMA Channel
57
58 dma-names:
59 items:
60 - const: rx
61 - const: tx
62
63 "#sound-dai-cells":
64 const: 0
65
66 required:
67 - compatible
68 - reg
69 - clocks
70 - clock-names
71 - resets
72 - dmas
73 - dma-names
74 - "#sound-dai-cells"
75
76 additionalProperties: false
77
78 examples:
79 - |
80 tdm@10090000 {
81 compatible = "starfive,jh7110-tdm";
82 reg = <0x10090000 0x1000>;
83 clocks = <&syscrg 184>,
84 <&syscrg 185>,
85 <&syscrg 186>,
86 <&syscrg 187>,
87 <&syscrg 17>,
88 <&tdm_ext>;
89 clock-names = "tdm_ahb", "tdm_apb",
90 "tdm_internal", "tdm",
91 "mclk_inner", "tdm_ext";
92 resets = <&syscrg 105>,
93 <&syscrg 107>,
94 <&syscrg 106>;
95 dmas = <&dma 20>, <&dma 21>;
96 dma-names = "rx","tx";
97 #sound-dai-cells = <0>;
98 };
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