1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/renesas,fsi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas FIFO-buffered Serial Interface (FSI)
8
9 maintainers:
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
11
12 properties:
13 $nodename:
14 pattern: "^sound@.*"
15
16 compatible:
17 oneOf:
18 # for FSI2 SoC
19 - items:
20 - enum:
21 - renesas,fsi2-sh73a0 # SH-Mobile AG5
22 - renesas,fsi2-r8a7740 # R-Mobile A1
23 - enum:
24 - renesas,sh_fsi2
25 # for Generic
26 - items:
27 - enum:
28 - renesas,sh_fsi
29 - renesas,sh_fsi2
30
31 reg:
32 maxItems: 1
33
34 interrupts:
35 maxItems: 1
36
37 clocks:
38 maxItems: 1
39
40 power-domains:
41 maxItems: 1
42
43 '#sound-dai-cells':
44 const: 1
45
46 patternProperties:
47 "^fsi(a|b),spdif-connection$":
48 $ref: /schemas/types.yaml#/definitions/flag
49 description: FSI is connected by S/PDIF
50
51 "^fsi(a|b),stream-mode-support$":
52 $ref: /schemas/types.yaml#/definitions/flag
53 description: FSI supports 16bit stream mode
54
55 "^fsi(a|b),use-internal-clock$":
56 $ref: /schemas/types.yaml#/definitions/flag
57 description: FSI uses internal clock when master mode
58
59 required:
60 - compatible
61 - reg
62 - interrupts
63 - clocks
64 - power-domains
65 - '#sound-dai-cells'
66
67 additionalProperties: false
68
69 examples:
70 - |
71 #include <dt-bindings/clock/r8a7740-clock.h>
72 #include <dt-bindings/interrupt-controller/arm-gic.h>
73 sh_fsi2: sound@fe1f0000 {
74 compatible = "renesas,fsi2-r8a7740", "renesas,sh_fsi2";
75 reg = <0xfe1f0000 0x400>;
76 interrupts = <GIC_SPI 9 0x4>;
77 clocks = <&mstp3_clks R8A7740_CLK_FSI>;
78 power-domains = <&pd_a4mp>;
79
80 #sound-dai-cells = <1>;
81 fsia,spdif-connection;
82 fsia,stream-mode-support;
83 fsia,use-internal-clock;
84 };
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