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 allOf:
13 - $ref: dai-common.yaml#
14
15 properties:
16 $nodename:
17 pattern: "^sound@.*"
18
19 compatible:
20 oneOf:
21 # for FSI2 SoC
22 - items:
23 - enum:
24 - renesas,fsi2-sh73a0 # SH-Mobile AG5
25 - renesas,fsi2-r8a7740 # R-Mobile A1
26 - enum:
27 - renesas,sh_fsi2
28 # for Generic
29 - items:
30 - enum:
31 - renesas,sh_fsi
32 - renesas,sh_fsi2
33
34 reg:
35 maxItems: 1
36
37 interrupts:
38 maxItems: 1
39
40 clocks:
41 maxItems: 1
42
43 power-domains:
44 maxItems: 1
45
46 '#sound-dai-cells':
47 const: 1
48
49 patternProperties:
50 "^fsi(a|b),spdif-connection$":
51 $ref: /schemas/types.yaml#/definitions/flag
52 description: FSI is connected by S/PDIF
53
54 "^fsi(a|b),stream-mode-support$":
55 $ref: /schemas/types.yaml#/definitions/flag
56 description: FSI supports 16bit stream mode
57
58 "^fsi(a|b),use-internal-clock$":
59 $ref: /schemas/types.yaml#/definitions/flag
60 description: FSI uses internal clock when master mode
61
62 required:
63 - compatible
64 - reg
65 - interrupts
66 - clocks
67 - power-domains
68 - '#sound-dai-cells'
69
70 unevaluatedProperties: false
71
72 examples:
73 - |
74 #include <dt-bindings/clock/r8a7740-clock.h>
75 #include <dt-bindings/interrupt-controller/arm-gic.h>
76 sh_fsi2: sound@fe1f0000 {
77 compatible = "renesas,fsi2-r8a7740", "renesas,sh_fsi2";
78 reg = <0xfe1f0000 0x400>;
79 interrupts = <GIC_SPI 9 0x4>;
80 clocks = <&mstp3_clks R8A7740_CLK_FSI>;
81 power-domains = <&pd_a4mp>;
82
83 #sound-dai-cells = <1>;
84 fsia,spdif-connection;
85 fsia,stream-mode-support;
86 fsia,use-internal-clock;
87 };
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