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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mt8195-afe-pcm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek AFE PCM controller for mt8195
maintainers:
- Trevor Wu <trevor.wu@mediatek.com>
properties:
compatible:
const: mediatek,mt8195-audio
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.txt for details.
mediatek,topckgen:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of the mediatek topckgen 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 infra 26M clock
- description: infra bus clock
clock-names:
items:
- const: clk26m
- const: apll1_ck
- const: apll2_ck
- const: apll12_div0
- const: apll12_div1
- const: apll12_div2
- const: apll12_div3
- const: apll12_div9
- const: a1sys_hp_sel
- const: aud_intbus_sel
- const: audio_h_sel
- const: audio_local_bus_sel
- const: dptx_m_sel
- const: i2so1_m_sel
- const: i2so2_m_sel
- const: i2si1_m_sel
- const: i2si2_m_sel
- const: infra_ao_audio_26m_b
- const: scp_adsp_audiodsp
mediatek,etdm-in1-chn-disabled:
$ref: /schemas/types.yaml#/definitions/uint8-array
maxItems: 24
description: Specify which input channel should be disabled.
mediatek,etdm-in2-chn-disabled:
$ref: /schemas/types.yaml#/definitions/uint8-array
maxItems: 16
description: Specify which input channel should be disabled.
patternProperties:
"^mediatek,etdm-in[1-2]-mclk-always-on-rate-hz$":
description: Specify etdm in mclk output rate for always on case.
"^mediatek,etdm-out[1-3]-mclk-always-on-rate-hz$":
description: Specify etdm out mclk output rate for always on case.
"^mediatek,etdm-in[1-2]-multi-pin-mode$":
type: boolean
description: if present, the etdm data mode is I2S.
"^mediatek,etdm-out[1-3]-multi-pin-mode$":
type: boolean
description: if present, the etdm data mode is I2S.
"^mediatek,etdm-in[1-2]-cowork-source$":
$ref: /schemas/types.yaml#/definitions/uint32
description: |
etdm modules can share the same external clock pin. Specify
which etdm clock source is required by this etdm in moudule.
enum:
- 0 # etdm1_in
- 1 # etdm2_in
- 2 # etdm1_out
- 3 # etdm2_out
"^mediatek,etdm-out[1-2]-cowork-source$":
$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 moudule.
enum:
- 0 # etdm1_in
- 1 # etdm2_in
- 2 # etdm1_out
- 3 # etdm2_out
required:
- compatible
- reg
- interrupts
- resets
- reset-names
- mediatek,topckgen
- power-domains
- clocks
- clock-names
- memory-region
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
afe: mt8195-afe-pcm@10890000 {
compatible = "mediatek,mt8195-audio";
reg = <0x10890000 0x10000>;
interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
resets = <&watchdog 14>;
reset-names = "audiosys";
mediatek,topckgen = <&topckgen>;
power-domains = <&spm 7>; //MT8195_POWER_DOMAIN_AUDIO
memory-region = <&snd_dma_mem_reserved>;
clocks = <&clk26m>,
<&topckgen 163>, //CLK_TOP_APLL1
<&topckgen 166>, //CLK_TOP_APLL2
<&topckgen 233>, //CLK_TOP_APLL12_DIV0
<&topckgen 234>, //CLK_TOP_APLL12_DIV1
<&topckgen 235>, //CLK_TOP_APLL12_DIV2
<&topckgen 236>, //CLK_TOP_APLL12_DIV3
<&topckgen 238>, //CLK_TOP_APLL12_DIV9
<&topckgen 100>, //CLK_TOP_A1SYS_HP_SEL
<&topckgen 33>, //CLK_TOP_AUD_INTBUS_SEL
<&topckgen 34>, //CLK_TOP_AUDIO_H_SEL
<&topckgen 107>, //CLK_TOP_AUDIO_LOCAL_BUS_SEL
<&topckgen 98>, //CLK_TOP_DPTX_M_SEL
<&topckgen 94>, //CLK_TOP_I2SO1_M_SEL
<&topckgen 95>, //CLK_TOP_I2SO2_M_SEL
<&topckgen 96>, //CLK_TOP_I2SI1_M_SEL
<&topckgen 97>, //CLK_TOP_I2SI2_M_SEL
<&infracfg_ao 50>, //CLK_INFRA_AO_AUDIO_26M_B
<&scp_adsp 0>; //CLK_SCP_ADSP_AUDIODSP
clock-names = "clk26m",
"apll1_ck",
"apll2_ck",
"apll12_div0",
"apll12_div1",
"apll12_div2",
"apll12_div3",
"apll12_div9",
"a1sys_hp_sel",
"aud_intbus_sel",
"audio_h_sel",
"audio_local_bus_sel",
"dptx_m_sel",
"i2so1_m_sel",
"i2so2_m_sel",
"i2si1_m_sel",
"i2si2_m_sel",
"infra_ao_audio_26m_b",
"scp_adsp_audiodsp";
};
...
|
