# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/fsl,mqs.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: NXP Medium Quality Sound (MQS) maintainers: - Shengjiu Wang - Chancel Liu description: | Medium quality sound (MQS) is used to generate medium quality audio via a standard GPIO in the pinmux, allowing the user to connect stereo speakers or headphones to a power amplifier without an additional DAC chip. properties: compatible: enum: - fsl,imx6sx-mqs - fsl,imx8qm-mqs - fsl,imx8qxp-mqs - fsl,imx93-mqs clocks: minItems: 1 maxItems: 2 clock-names: minItems: 1 maxItems: 2 gpr: $ref: /schemas/types.yaml#/definitions/phandle description: The phandle to the General Purpose Register (GPR) node reg: maxItems: 1 power-domains: maxItems: 1 resets: maxItems: 1 required: - compatible - clocks - clock-names allOf: - if: properties: compatible: contains: enum: - fsl,imx8qm-mqs - fsl,imx8qxp-mqs then: properties: clocks: items: - description: Master clock - description: Clock for register access clock-names: items: - const: mclk - const: core required: - reg - power-domains else: properties: clocks: items: - description: Master clock clock-names: items: - const: mclk required: - gpr additionalProperties: false examples: - | #include mqs0: mqs { compatible = "fsl,imx6sx-mqs"; gpr = <&gpr>; clocks = <&clks IMX6SX_CLK_SAI1>; clock-names = "mclk"; }; - | #include mqs1: mqs@59850000 { compatible = "fsl,imx8qm-mqs"; reg = <0x59850000 0x10000>; clocks = <&mqs0_lpcg 0>, <&mqs0_lpcg 1>; clock-names = "mclk", "core"; power-domains = <&pd IMX_SC_R_MQS_0>; };