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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: MediaTek mt8186 DSP core

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maintainers:

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  - Tinghan Shen <tinghan.shen@mediatek.com>

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description: |

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  MediaTek mt8186 SoC contains a DSP core used for

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  advanced pre- and post- audio processing.

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properties:

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  compatible:

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    enum:

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      - mediatek,mt8186-dsp

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      - mediatek,mt8188-dsp

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  reg:

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    items:

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      - description: Address and size of the DSP config registers

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      - description: Address and size of the DSP SRAM

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      - description: Address and size of the DSP secure registers

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      - description: Address and size of the DSP bus registers

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  reg-names:

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    items:

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      - const: cfg

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      - const: sram

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      - const: sec

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      - const: bus

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  clocks:

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    items:

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      - description: mux for audio dsp clock

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      - description: mux for audio dsp local bus

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  clock-names:

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    items:

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      - const: audiodsp

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      - const: adsp_bus

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  power-domains:

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    maxItems: 1

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  mboxes:

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    items:

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      - description: mailbox for receiving audio DSP requests.

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      - description: mailbox for transmitting requests to audio DSP.

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  mbox-names:

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    items:

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      - const: rx

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      - const: tx

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  memory-region:

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    items:

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      - description: dma buffer between host and DSP.

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      - description: DSP system memory.

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required:

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  - compatible

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  - reg

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  - reg-names

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  - clocks

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  - clock-names

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  - power-domains

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  - mbox-names

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  - mboxes

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/mt8186-clk.h>

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    dsp@10680000 {

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        compatible = "mediatek,mt8186-dsp";

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        reg = <0x10680000 0x2000>,

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              <0x10800000 0x100000>,

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              <0x1068b000 0x100>,

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              <0x1068f000 0x1000>;

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        reg-names = "cfg", "sram", "sec", "bus";

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        clocks = <&topckgen CLK_TOP_AUDIODSP>,

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                 <&topckgen CLK_TOP_ADSP_BUS>;

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        clock-names = "audiodsp",

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                      "adsp_bus";

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        power-domains = <&spm 6>;

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        mbox-names = "rx", "tx";

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        mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;

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    };

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