94 lines
2.1 KiB
YAML
94 lines
2.1 KiB
YAML
# 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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