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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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0c9f824461
This device can be used in conjunction with audio-graph-card to provide an endpoint for binding with the other side of the audio link. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Acked-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://patch.msgid.link/20250418053050.2755249-1-shengjiu.wang@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
118 lines
2.4 KiB
YAML
118 lines
2.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/fsl,mqs.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP Medium Quality Sound (MQS)
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maintainers:
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- Shengjiu Wang <shengjiu.wang@nxp.com>
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- Chancel Liu <chancel.liu@nxp.com>
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description: |
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Medium quality sound (MQS) is used to generate medium quality audio
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via a standard GPIO in the pinmux, allowing the user to connect
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stereo speakers or headphones to a power amplifier without an
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additional DAC chip.
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properties:
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compatible:
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enum:
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- fsl,imx6sx-mqs
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- fsl,imx8qm-mqs
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- fsl,imx8qxp-mqs
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- fsl,imx93-mqs
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- fsl,imx943-aonmix-mqs
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- fsl,imx943-wakeupmix-mqs
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- fsl,imx95-aonmix-mqs
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- fsl,imx95-netcmix-mqs
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"#sound-dai-cells":
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const: 0
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clocks:
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minItems: 1
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maxItems: 2
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clock-names:
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minItems: 1
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maxItems: 2
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gpr:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: The phandle to the General Purpose Register (GPR) node
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reg:
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maxItems: 1
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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port:
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$ref: audio-graph-port.yaml#
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unevaluatedProperties: false
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required:
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- compatible
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- clocks
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- clock-names
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allOf:
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- $ref: dai-common.yaml#
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- if:
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properties:
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compatible:
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contains:
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enum:
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- fsl,imx8qm-mqs
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- fsl,imx8qxp-mqs
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then:
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properties:
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clocks:
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items:
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- description: Master clock
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- description: Clock for register access
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clock-names:
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items:
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- const: mclk
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- const: core
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required:
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- reg
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- power-domains
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else:
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properties:
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clocks:
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items:
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- description: Master clock
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clock-names:
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items:
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- const: mclk
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required:
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- gpr
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx6sx-clock.h>
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mqs0: mqs {
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compatible = "fsl,imx6sx-mqs";
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gpr = <&gpr>;
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clocks = <&clks IMX6SX_CLK_SAI1>;
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clock-names = "mclk";
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};
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- |
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#include <dt-bindings/firmware/imx/rsrc.h>
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mqs1: mqs@59850000 {
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compatible = "fsl,imx8qm-mqs";
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reg = <0x59850000 0x10000>;
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clocks = <&mqs0_lpcg 0>, <&mqs0_lpcg 1>;
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clock-names = "mclk", "core";
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power-domains = <&pd IMX_SC_R_MQS_0>;
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};
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