xref: /linux/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml (revision 3d0fe49454652117522f60bfbefb978ba0e5300b) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek mt8186 DSP core
8
9maintainers:
10  - Tinghan Shen <tinghan.shen@mediatek.com>
11
12description: |
13  MediaTek mt8186 SoC contains a DSP core used for
14  advanced pre- and post- audio processing.
15
16properties:
17  compatible:
18    enum:
19      - mediatek,mt8186-dsp
20      - mediatek,mt8188-dsp
21
22  reg:
23    items:
24      - description: Address and size of the DSP config registers
25      - description: Address and size of the DSP SRAM
26      - description: Address and size of the DSP secure registers
27      - description: Address and size of the DSP bus registers
28
29  reg-names:
30    items:
31      - const: cfg
32      - const: sram
33      - const: sec
34      - const: bus
35
36  clocks:
37    items:
38      - description: mux for audio dsp clock
39      - description: mux for audio dsp local bus
40
41  clock-names:
42    items:
43      - const: audiodsp
44      - const: adsp_bus
45
46  power-domains:
47    maxItems: 1
48
49  mboxes:
50    items:
51      - description: mailbox for receiving audio DSP requests.
52      - description: mailbox for transmitting requests to audio DSP.
53
54  mbox-names:
55    items:
56      - const: rx
57      - const: tx
58
59  memory-region:
60    items:
61      - description: dma buffer between host and DSP.
62      - description: DSP system memory.
63
64required:
65  - compatible
66  - reg
67  - reg-names
68  - clocks
69  - clock-names
70  - power-domains
71  - mbox-names
72  - mboxes
73
74additionalProperties: false
75
76examples:
77  - |
78    #include <dt-bindings/clock/mt8186-clk.h>
79    dsp@10680000 {
80        compatible = "mediatek,mt8186-dsp";
81        reg = <0x10680000 0x2000>,
82              <0x10800000 0x100000>,
83              <0x1068b000 0x100>,
84              <0x1068f000 0x1000>;
85        reg-names = "cfg", "sram", "sec", "bus";
86        clocks = <&topckgen CLK_TOP_AUDIODSP>,
87                 <&topckgen CLK_TOP_ADSP_BUS>;
88        clock-names = "audiodsp",
89                      "adsp_bus";
90        power-domains = <&spm 6>;
91        mbox-names = "rx", "tx";
92        mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
93    };
94