xref: /freebsd/sys/contrib/device-tree/Bindings/sound/amlogic,aiu.yaml (revision c7046f76c2c027b00c0e6ba57cfd28f1a78f5e23) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/amlogic,aiu.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Amlogic AIU audio output controller
8
9maintainers:
10  - Jerome Brunet <jbrunet@baylibre.com>
11
12allOf:
13  - $ref: name-prefix.yaml#
14
15properties:
16  $nodename:
17    pattern: "^audio-controller@.*"
18
19  "#sound-dai-cells":
20    const: 2
21
22  compatible:
23    items:
24      - enum:
25          - amlogic,aiu-gxbb
26          - amlogic,aiu-gxl
27          - amlogic,aiu-meson8
28          - amlogic,aiu-meson8b
29      - const: amlogic,aiu
30
31  clocks:
32    items:
33      - description: AIU peripheral clock
34      - description: I2S peripheral clock
35      - description: I2S output clock
36      - description: I2S master clock
37      - description: I2S mixer clock
38      - description: SPDIF peripheral clock
39      - description: SPDIF output clock
40      - description: SPDIF master clock
41      - description: SPDIF master clock multiplexer
42
43  clock-names:
44    items:
45      - const: pclk
46      - const: i2s_pclk
47      - const: i2s_aoclk
48      - const: i2s_mclk
49      - const: i2s_mixer
50      - const: spdif_pclk
51      - const: spdif_aoclk
52      - const: spdif_mclk
53      - const: spdif_mclk_sel
54
55  interrupts:
56    items:
57      - description: I2S interrupt line
58      - description: SPDIF interrupt line
59
60  interrupt-names:
61    items:
62      - const: i2s
63      - const: spdif
64
65  reg:
66    maxItems: 1
67
68  resets:
69    maxItems: 1
70
71  sound-name-prefix: true
72
73required:
74  - "#sound-dai-cells"
75  - compatible
76  - clocks
77  - clock-names
78  - interrupts
79  - interrupt-names
80  - reg
81  - resets
82
83additionalProperties: false
84
85examples:
86  - |
87    #include <dt-bindings/clock/gxbb-clkc.h>
88    #include <dt-bindings/interrupt-controller/irq.h>
89    #include <dt-bindings/interrupt-controller/arm-gic.h>
90    #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
91
92    aiu: audio-controller@5400 {
93        compatible = "amlogic,aiu-gxl", "amlogic,aiu";
94        #sound-dai-cells = <2>;
95        reg = <0x5400 0x2ac>;
96        interrupts = <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>,
97                     <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
98        interrupt-names = "i2s", "spdif";
99        clocks = <&clkc CLKID_AIU_GLUE>,
100                 <&clkc CLKID_I2S_OUT>,
101                 <&clkc CLKID_AOCLK_GATE>,
102                 <&clkc CLKID_CTS_AMCLK>,
103                 <&clkc CLKID_MIXER_IFACE>,
104                 <&clkc CLKID_IEC958>,
105                 <&clkc CLKID_IEC958_GATE>,
106                 <&clkc CLKID_CTS_MCLK_I958>,
107                 <&clkc CLKID_CTS_I958>;
108        clock-names = "pclk",
109                      "i2s_pclk",
110                      "i2s_aoclk",
111                      "i2s_mclk",
112                      "i2s_mixer",
113                      "spdif_pclk",
114                      "spdif_aoclk",
115                      "spdif_mclk",
116                      "spdif_mclk_sel";
117        resets = <&reset RESET_AIU>;
118    };
119