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1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip SPDIF transceiver
8
9description:
10 The S/PDIF audio block is a stereo transceiver that allows the
11 processor to receive and transmit digital audio via a coaxial or
12 fibre cable.
13
14maintainers:
15 - Heiko Stuebner <heiko@sntech.de>
16
17properties:
18 compatible:
19 oneOf:
20 - const: rockchip,rk3066-spdif
21 - const: rockchip,rk3228-spdif
22 - const: rockchip,rk3328-spdif
23 - const: rockchip,rk3366-spdif
24 - const: rockchip,rk3368-spdif
25 - const: rockchip,rk3399-spdif
26 - items:
27 - enum:
28 - rockchip,rk3188-spdif
29 - rockchip,rk3288-spdif
30 - rockchip,rk3308-spdif
31 - const: rockchip,rk3066-spdif
32
33 reg:
34 maxItems: 1
35
36 interrupts:
37 maxItems: 1
38
39 clocks:
40 items:
41 - description: clock for SPDIF bus
42 - description: clock for SPDIF controller
43
44 clock-names:
45 items:
46 - const: mclk
47 - const: hclk
48
49 dmas:
50 maxItems: 1
51
52 dma-names:
53 const: tx
54
55 power-domains:
56 maxItems: 1
57
58 rockchip,grf:
59 $ref: /schemas/types.yaml#/definitions/phandle
60 description:
61 The phandle of the syscon node for the GRF register.
62 Required property on RK3288.
63
64 "#sound-dai-cells":
65 const: 0
66
67required:
68 - compatible
69 - reg
70 - interrupts
71 - clocks
72 - clock-names
73 - dmas
74 - dma-names
75 - "#sound-dai-cells"
76
77if:
78 properties:
79 compatible:
80 contains:
81 const: rockchip,rk3288-spdif
82
83then:
84 required:
85 - rockchip,grf
86
87additionalProperties: false
88
89examples:
90 - |
91 #include <dt-bindings/clock/rk3188-cru.h>
92 #include <dt-bindings/interrupt-controller/arm-gic.h>
93 spdif: spdif@1011e000 {
94 compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
95 reg = <0x1011e000 0x2000>;
96 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
97 clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>;
98 clock-names = "mclk", "hclk";
99 dmas = <&dmac1_s 8>;
100 dma-names = "tx";
101 #sound-dai-cells = <0>;
102 };