Unverified Commit 99370c4e authored by Tinghan Shen's avatar Tinghan Shen Committed by Mark Brown
Browse files

dt-bindings: dsp: mediatek: Add mt8186 dsp document 



This patch adds mt8186 dsp document. The dsp is used for Sound Open
Firmware driver node. It includes registers, clocks, memory regions,
and mailbox for dsp.

Signed-off-by: default avatarTinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220622062245.21021-4-tinghan.shen@mediatek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 74bbdd63

Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

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

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



title: MediaTek mt8186 DSP core



maintainers:

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



description: |

  MediaTek mt8186 SoC contains a DSP core used for

  advanced pre- and post- audio processing.



properties:

  compatible:

    const: mediatek,mt8186-dsp



  reg:

    items:

      - description: Address and size of the DSP config registers

      - description: Address and size of the DSP SRAM

      - description: Address and size of the DSP secure registers

      - description: Address and size of the DSP bus registers



  reg-names:

    items:

      - const: cfg

      - const: sram

      - const: sec

      - const: bus



  clocks:

    items:

      - description: mux for audio dsp clock

      - description: mux for audio dsp local bus



  clock-names:

    items:

      - const: audiodsp

      - const: adsp_bus



  power-domains:

    maxItems: 1



  mboxes:

    items:

      - description: mailbox for receiving audio DSP requests.

      - description: mailbox for transmitting requests to audio DSP.



  mbox-names:

    items:

      - const: rx

      - const: tx



  memory-region:

    items:

      - description: dma buffer between host and DSP.

      - description: DSP system memory.



required:

  - compatible

  - reg

  - reg-names

  - clocks

  - clock-names

  - power-domains

  - mbox-names

  - mboxes



additionalProperties: false



examples:

  - |

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

    dsp@10680000 {

        compatible = "mediatek,mt8186-dsp";

        reg = <0x10680000 0x2000>,

              <0x10800000 0x100000>,

              <0x1068b000 0x100>,

              <0x1068f000 0x1000>;

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

        clocks = <&topckgen CLK_TOP_AUDIODSP>,

                 <&topckgen CLK_TOP_ADSP_BUS>;

        clock-names = "audiodsp",

                      "adsp_bus";

        power-domains = <&spm 6>;

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

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

    };