| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | |
| 7 | title: MediaTek mt8186 DSP core |
| 8 | |
| 9 | maintainers: |
| 10 | - Tinghan Shen <tinghan.shen@mediatek.com> |
| 11 | |
| 12 | description: | |
| 13 | MediaTek mt8186 SoC contains a DSP core used for |
| 14 | advanced pre- and post- audio processing. |
| 15 | |
| 16 | properties: |
| 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 | |
| 64 | required: |
| 65 | - compatible |
| 66 | - reg |
| 67 | - reg-names |
| 68 | - clocks |
| 69 | - clock-names |
| 70 | - power-domains |
| 71 | - mbox-names |
| 72 | - mboxes |
| 73 | |
| 74 | additionalProperties: false |
| 75 | |
| 76 | examples: |
| 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 | }; |