106 lines
2.7 KiB
YAML
106 lines
2.7 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/dsp/mediatek,mt8195-dsp.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Mediatek mt8195 DSP core
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- YC Hung <yc.hung@mediatek.com>
|
||
|
|
|
||
|
|
description: |
|
||
|
|
Some boards from mt8195 contain a DSP core used for
|
||
|
|
advanced pre- and post- audio processing.
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
const: mediatek,mt8195-dsp
|
||
|
|
|
||
|
|
reg:
|
||
|
|
items:
|
||
|
|
- description: Address and size of the DSP Cfg registers
|
||
|
|
- description: Address and size of the DSP SRAM
|
||
|
|
|
||
|
|
reg-names:
|
||
|
|
items:
|
||
|
|
- const: cfg
|
||
|
|
- const: sram
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
items:
|
||
|
|
- description: mux for audio dsp clock
|
||
|
|
- description: 26M clock
|
||
|
|
- description: mux for audio dsp local bus
|
||
|
|
- description: default audio dsp local bus clock source
|
||
|
|
- description: clock gate for audio dsp clock
|
||
|
|
- description: mux for audio dsp access external bus
|
||
|
|
|
||
|
|
clock-names:
|
||
|
|
items:
|
||
|
|
- const: adsp_sel
|
||
|
|
- const: clk26m_ck
|
||
|
|
- const: audio_local_bus
|
||
|
|
- const: mainpll_d7_d2
|
||
|
|
- const: scp_adsp_audiodsp
|
||
|
|
- const: audio_h
|
||
|
|
|
||
|
|
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
|
||
|
|
- memory-region
|
||
|
|
- power-domains
|
||
|
|
- mbox-names
|
||
|
|
- mboxes
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
||
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
||
|
|
dsp@10803000 {
|
||
|
|
compatible = "mediatek,mt8195-dsp";
|
||
|
|
reg = <0x10803000 0x1000>,
|
||
|
|
<0x10840000 0x40000>;
|
||
|
|
reg-names = "cfg", "sram";
|
||
|
|
clocks = <&topckgen 10>, //CLK_TOP_ADSP
|
||
|
|
<&clk26m>,
|
||
|
|
<&topckgen 107>, //CLK_TOP_AUDIO_LOCAL_BUS
|
||
|
|
<&topckgen 136>, //CLK_TOP_MAINPLL_D7_D2
|
||
|
|
<&scp_adsp 0>, //CLK_SCP_ADSP_AUDIODSP
|
||
|
|
<&topckgen 34>; //CLK_TOP_AUDIO_H
|
||
|
|
clock-names = "adsp_sel",
|
||
|
|
"clk26m_ck",
|
||
|
|
"audio_local_bus",
|
||
|
|
"mainpll_d7_d2",
|
||
|
|
"scp_adsp_audiodsp",
|
||
|
|
"audio_h";
|
||
|
|
memory-region = <&adsp_dma_mem_reserved>,
|
||
|
|
<&adsp_mem_reserved>;
|
||
|
|
power-domains = <&spm 6>; //MT8195_POWER_DOMAIN_ADSP
|
||
|
|
mbox-names = "rx", "tx";
|
||
|
|
mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
|
||
|
|
};
|