mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-02 08:32:55 +00:00
473ee88426
It is desirable to reserve memory for the audio frontend. Allow the "memory-region" property, to be used to point to a reserved memory region. Acked-by: "Rob Herring (Arm)" <robh@kernel.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Link: https://patch.msgid.link/20250612074901.4023253-4-wenst@chromium.org Signed-off-by: Mark Brown <broonie@kernel.org>
99 lines
2.6 KiB
YAML
99 lines
2.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/mediatek,mt8173-afe-pcm.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Mediatek AFE PCM controller for MT8173
|
|
|
|
maintainers:
|
|
- Trevor Wu <trevor.wu@mediatek.com>
|
|
|
|
properties:
|
|
compatible:
|
|
const: mediatek,mt8173-afe-pcm
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
items:
|
|
- description: audio infra sys clock
|
|
- description: audio top mux
|
|
- description: audio intbus mux
|
|
- description: apll1 clock
|
|
- description: apll2 clock
|
|
- description: i2s0 mclk mux
|
|
- description: i2s1 mclk mux
|
|
- description: i2s2 mclk mux
|
|
- description: i2s3 mclk mux
|
|
- description: i2s3 bclk mux
|
|
|
|
clock-names:
|
|
items:
|
|
- const: infra_sys_audio_clk
|
|
- const: top_pdn_audio
|
|
- const: top_pdn_aud_intbus
|
|
- const: bck0
|
|
- const: bck1
|
|
- const: i2s0_m
|
|
- const: i2s1_m
|
|
- const: i2s2_m
|
|
- const: i2s3_m
|
|
- const: i2s3_b
|
|
|
|
power-domains:
|
|
maxItems: 1
|
|
|
|
memory-region:
|
|
description: memory region for audio DMA buffers
|
|
maxItems: 1
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clocks
|
|
- clock-names
|
|
- power-domains
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/clock/mt8173-clk.h>
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
|
#include <dt-bindings/power/mt8173-power.h>
|
|
|
|
mt8173-afe-pcm@11220000 {
|
|
compatible = "mediatek,mt8173-afe-pcm";
|
|
reg = <0x11220000 0x1000>;
|
|
interrupts = <GIC_SPI 134 IRQ_TYPE_EDGE_FALLING>;
|
|
power-domains = <&spm MT8173_POWER_DOMAIN_AUDIO>;
|
|
clocks = <&infracfg CLK_INFRA_AUDIO>,
|
|
<&topckgen CLK_TOP_AUDIO_SEL>,
|
|
<&topckgen CLK_TOP_AUD_INTBUS_SEL>,
|
|
<&topckgen CLK_TOP_APLL1_DIV0>,
|
|
<&topckgen CLK_TOP_APLL2_DIV0>,
|
|
<&topckgen CLK_TOP_I2S0_M_SEL>,
|
|
<&topckgen CLK_TOP_I2S1_M_SEL>,
|
|
<&topckgen CLK_TOP_I2S2_M_SEL>,
|
|
<&topckgen CLK_TOP_I2S3_M_SEL>,
|
|
<&topckgen CLK_TOP_I2S3_B_SEL>;
|
|
clock-names = "infra_sys_audio_clk",
|
|
"top_pdn_audio",
|
|
"top_pdn_aud_intbus",
|
|
"bck0",
|
|
"bck1",
|
|
"i2s0_m",
|
|
"i2s1_m",
|
|
"i2s2_m",
|
|
"i2s3_m",
|
|
"i2s3_b";
|
|
memory-region = <&afe_dma_mem>;
|
|
};
|