# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mediatek,mt8188-afe.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek AFE PCM controller for mt8188
maintainers:
- Trevor Wu <trevor.wu@mediatek.com>
properties:
compatible:
const: mediatek,mt8188-afe
reg:
maxItems: 1
interrupts:
maxItems: 1
resets:
maxItems: 1
reset-names:
const: audiosys
memory-region:
maxItems: 1
description: |
Shared memory region for AFE memif. A "shared-dma-pool".
See ../reserved-memory/reserved-memory.yaml for details.
mediatek,topckgen:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of the mediatek topckgen controller
mediatek,infracfg:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of the mediatek infracfg controller
power-domains:
maxItems: 1
clocks:
items:
- description: 26M clock
- description: audio pll1 clock
- description: audio pll2 clock
- description: clock divider for i2si1_mck
- description: clock divider for i2si2_mck
- description: clock divider for i2so1_mck
- description: clock divider for i2so2_mck
- description: clock divider for dptx_mck
- description: a1sys hoping clock
- description: audio intbus clock
- description: audio hires clock
- description: audio local bus clock
- description: mux for dptx_mck
- description: mux for i2so1_mck
- description: mux for i2so2_mck
- description: mux for i2si1_mck
- description: mux for i2si2_mck
- description: audio 26m clock
- description: audio pll1 divide 4
- description: audio pll2 divide 4
- description: clock divider for iec
- description: mux for a2sys clock
- description: mux for aud_iec
clock-names:
items:
- const: clk26m
- const: apll1
- const: apll2
- const: apll12_div0
- const: apll12_div1
- const: apll12_div2
- const: apll12_div3
- const: apll12_div9
- const: top_a1sys_hp
- const: top_aud_intbus
- const: top_audio_h
- const: top_audio_local_bus
- const: top_dptx
- const: top_i2so1
- const: top_i2so2
- const: top_i2si1
- const: top_i2si2
- const: adsp_audio_26m
- const: apll1_d4
- const: apll2_d4
- const: apll12_div4
- const: top_a2sys
- const: top_aud_iec
mediatek,etdm-in1-cowork-source:
$ref: /schemas/types.yaml#/definitions/uint32
description:
etdm modules can share the same external clock pin. Specify
which etdm clock source is required by this etdm in module.
enum:
- 1 # etdm2_in
- 2 # etdm1_out
- 3 # etdm2_out
mediatek,etdm-in2-cowork-source:
$ref: /schemas/types.yaml#/definitions/uint32
description:
etdm modules can share the same external clock pin. Specify
which etdm clock source is required by this etdm in module.
enum:
- 0 # etdm1_in
- 2 # etdm1_out
- 3 # etdm2_out
mediatek,etdm-out1-cowork-source:
$ref: /schemas/types.yaml#/definitions/uint32
description:
etdm modules can share the same external clock pin. Specify
which etdm clock source is required by this etdm out module.
enum:
- 0 # etdm1_in
- 1 # etdm2_in
- 3 # etdm2_out
mediatek,etdm-out2-cowork-source:
$ref: /schemas/types.yaml#/definitions/uint32
description:
etdm modules can share the same external clock pin. Specify
which etdm clock source is required by this etdm out module.
enum:
- 0 # etdm1_in
- 1 # etdm2_in
- 2 # etdm1_out
patternProperties:
"^mediatek,etdm-in[1-2]-chn-disabled$":
$ref: /schemas/types.yaml#/definitions/uint8-array
minItems: 1
maxItems: 16
description:
This is a list of channel IDs which should be disabled.
By default, all data received from ETDM pins will be outputted to
memory. etdm in supports disable_out in direct mode(w/o interconn),
so user can disable the specified channels by the property.
uniqueItems: true
items:
minimum: 0
maximum: 15
"^mediatek,etdm-in[1-2]-multi-pin-mode$":
type: boolean
description: if present, the etdm data mode is I2S.
"^mediatek,etdm-out[1-3]-multi-pin-mode$":
type: boolean
description: if present, the etdm data mode is I2S.
required:
- compatible
- reg
- interrupts
- resets
- reset-names
- mediatek,topckgen
- mediatek,infracfg
- power-domains
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
afe@10b10000 {
compatible = "mediatek,mt8188-afe";
reg = <0x10b10000 0x10000>;
interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
resets = <&watchdog 14>;
reset-names = "audiosys";
memory-region = <&snd_dma_mem_reserved>;
mediatek,topckgen = <&topckgen>;
mediatek,infracfg = <&infracfg_ao>;
power-domains = <&spm 13>; //MT8188_POWER_DOMAIN_AUDIO
mediatek,etdm-in2-cowork-source = <2>;
mediatek,etdm-out2-cowork-source = <0>;
mediatek,etdm-in1-multi-pin-mode;
mediatek,etdm-in1-chn-disabled = /bits/ 8 <0x0 0x2>;
clocks = <&clk26m>,
<&apmixedsys 9>, //CLK_APMIXED_APLL1
<&apmixedsys 10>, //CLK_APMIXED_APLL2
<&topckgen 186>, //CLK_TOP_APLL12_CK_DIV0
<&topckgen 187>, //CLK_TOP_APLL12_CK_DIV1
<&topckgen 188>, //CLK_TOP_APLL12_CK_DIV2
<&topckgen 189>, //CLK_TOP_APLL12_CK_DIV3
<&topckgen 191>, //CLK_TOP_APLL12_CK_DIV9
<&topckgen 83>, //CLK_TOP_A1SYS_HP
<&topckgen 31>, //CLK_TOP_AUD_INTBUS
<&topckgen 32>, //CLK_TOP_AUDIO_H
<&topckgen 69>, //CLK_TOP_AUDIO_LOCAL_BUS
<&topckgen 81>, //CLK_TOP_DPTX
<&topckgen 77>, //CLK_TOP_I2SO1
<&topckgen 78>, //CLK_TOP_I2SO2
<&topckgen 79>, //CLK_TOP_I2SI1
<&topckgen 80>, //CLK_TOP_I2SI2
<&adsp_audio26m 0>, //CLK_AUDIODSP_AUDIO26M
<&topckgen 132>, //CLK_TOP_APLL1_D4
<&topckgen 133>, //CLK_TOP_APLL2_D4
<&topckgen 183>, //CLK_TOP_APLL12_CK_DIV4
<&topckgen 84>, //CLK_TOP_A2SYS
<&topckgen 82>; //CLK_TOP_AUD_IEC>;
clock-names = "clk26m",
"apll1",
"apll2",
"apll12_div0",
"apll12_div1",
"apll12_div2",
"apll12_div3",
"apll12_div9",
"top_a1sys_hp",
"top_aud_intbus",
"top_audio_h",
"top_audio_local_bus",
"top_dptx",
"top_i2so1",
"top_i2so2",
"top_i2si1",
"top_i2si2",
"adsp_audio_26m",
"apll1_d4",
"apll2_d4",
"apll12_div4",
"top_a2sys",
"top_aud_iec";
};
...