0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: MediaTek mt8186 DSP core
0008
0009 maintainers:
0010 - Tinghan Shen <tinghan.shen@mediatek.com>
0011
0012 description: |
0013 MediaTek mt8186 SoC contains a DSP core used for
0014 advanced pre- and post- audio processing.
0015
0016 properties:
0017 compatible:
0018 const: mediatek,mt8186-dsp
0019
0020 reg:
0021 items:
0022 - description: Address and size of the DSP config registers
0023 - description: Address and size of the DSP SRAM
0024 - description: Address and size of the DSP secure registers
0025 - description: Address and size of the DSP bus registers
0026
0027 reg-names:
0028 items:
0029 - const: cfg
0030 - const: sram
0031 - const: sec
0032 - const: bus
0033
0034 clocks:
0035 items:
0036 - description: mux for audio dsp clock
0037 - description: mux for audio dsp local bus
0038
0039 clock-names:
0040 items:
0041 - const: audiodsp
0042 - const: adsp_bus
0043
0044 power-domains:
0045 maxItems: 1
0046
0047 mboxes:
0048 items:
0049 - description: mailbox for receiving audio DSP requests.
0050 - description: mailbox for transmitting requests to audio DSP.
0051
0052 mbox-names:
0053 items:
0054 - const: rx
0055 - const: tx
0056
0057 memory-region:
0058 items:
0059 - description: dma buffer between host and DSP.
0060 - description: DSP system memory.
0061
0062 required:
0063 - compatible
0064 - reg
0065 - reg-names
0066 - clocks
0067 - clock-names
0068 - power-domains
0069 - mbox-names
0070 - mboxes
0071
0072 additionalProperties: false
0073
0074 examples:
0075 - |
0076 #include <dt-bindings/clock/mt8186-clk.h>
0077 dsp@10680000 {
0078 compatible = "mediatek,mt8186-dsp";
0079 reg = <0x10680000 0x2000>,
0080 <0x10800000 0x100000>,
0081 <0x1068b000 0x100>,
0082 <0x1068f000 0x1000>;
0083 reg-names = "cfg", "sram", "sec", "bus";
0084 clocks = <&topckgen CLK_TOP_AUDIODSP>,
0085 <&topckgen CLK_TOP_ADSP_BUS>;
0086 clock-names = "audiodsp",
0087 "adsp_bus";
0088 power-domains = <&spm 6>;
0089 mbox-names = "rx", "tx";
0090 mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
0091 };
