xref: /linux/Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml (revision f7f0adfe64de08803990dc4cbecd2849c04e314a) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/renesas,rz-ssi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas RZ/{G2L,V2L} ASoC Sound Serial Interface (SSIF-2)
8
9maintainers:
10  - Biju Das <biju.das.jz@bp.renesas.com>
11
12allOf:
13  - $ref: dai-common.yaml#
14
15properties:
16  compatible:
17    items:
18      - enum:
19          - renesas,r9a07g043-ssi  # RZ/G2UL and RZ/Five
20          - renesas,r9a07g044-ssi  # RZ/G2{L,LC}
21          - renesas,r9a07g054-ssi  # RZ/V2L
22          - renesas,r9a08g045-ssi  # RZ/G3S
23      - const: renesas,rz-ssi
24
25  reg:
26    maxItems: 1
27
28  interrupts:
29    minItems: 2
30    maxItems: 3
31
32  interrupt-names:
33    oneOf:
34      - items:
35          - const: int_req
36          - const: dma_rx
37          - const: dma_tx
38      - items:
39          - const: int_req
40          - const: dma_rt
41
42  clocks:
43    maxItems: 4
44
45  clock-names:
46    items:
47      - const: ssi
48      - const: ssi_sfr
49      - const: audio_clk1
50      - const: audio_clk2
51
52  power-domains:
53    maxItems: 1
54
55  resets:
56    maxItems: 1
57
58  dmas:
59    minItems: 1
60    maxItems: 2
61
62  dma-names:
63    oneOf:
64      - items:
65          - const: tx
66          - const: rx
67      - items:
68          - const: rt
69
70  '#sound-dai-cells':
71    const: 0
72
73  port:
74    $ref: audio-graph-port.yaml#/definitions/port-base
75    description: Connection to controller providing I2S signals
76
77required:
78  - compatible
79  - reg
80  - interrupts
81  - interrupt-names
82  - clocks
83  - clock-names
84  - resets
85  - '#sound-dai-cells'
86
87unevaluatedProperties: false
88
89examples:
90  - |
91    #include <dt-bindings/interrupt-controller/arm-gic.h>
92    #include <dt-bindings/clock/r9a07g044-cpg.h>
93
94    ssi0: ssi@10049c00 {
95        compatible = "renesas,r9a07g044-ssi",
96                     "renesas,rz-ssi";
97            reg = <0x10049c00 0x400>;
98            interrupts = <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
99                         <GIC_SPI 327 IRQ_TYPE_EDGE_RISING>,
100                         <GIC_SPI 328 IRQ_TYPE_EDGE_RISING>;
101            interrupt-names = "int_req", "dma_rx", "dma_tx";
102            clocks = <&cpg CPG_MOD R9A07G044_SSI0_PCLK2>,
103                     <&cpg CPG_MOD R9A07G044_SSI0_PCLK_SFR>,
104                     <&audio_clk1>,
105                     <&audio_clk2>;
106            clock-names = "ssi", "ssi_sfr", "audio_clk1", "audio_clk2";
107            power-domains = <&cpg>;
108            resets = <&cpg R9A07G044_SSI0_RST_M2_REG>;
109            dmas = <&dmac 0x2655>,
110                   <&dmac 0x2656>;
111            dma-names = "tx", "rx";
112            #sound-dai-cells = <0>;
113    };
114