linux-kernel - Re: [PATCH v2 2/2] arm64: dts: imx95-15x15-frdm: support AONMIX MQS

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Message-ID: <aXeY44T+5rvCqBs8@lizhi-Precision-Tower-5810>
Date: Mon, 26 Jan 2026 11:40:03 -0500
From: Frank Li <Frank.li@....com>
To: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Chancel Liu <chancel.liu@....com>, linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH v2 2/2] arm64: dts: imx95-15x15-frdm: support AONMIX MQS

On Mon, Jan 26, 2026 at 06:55:37AM -0800, Laurentiu Mihalcea wrote:
> From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
>
> Add support for AONMIX MQS (i.e. MQS1).
>
> Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
> ---
>  .../boot/dts/freescale/imx95-15x15-frdm.dts   | 73 +++++++++++++++++++
>  arch/arm64/boot/dts/freescale/imx95.dtsi      |  5 ++

Chip's dtsi and board dts should be two patches.

Frank
>  2 files changed, 78 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts
> index ca1c4966c867..0f43e3be7058 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts
> @@ -243,6 +243,12 @@ codec {
>  		};
>  	};
>
> +	sound-mqs {
> +		compatible = "audio-graph-card2";
> +		links = <&sai1_port1>;
> +		label = "mqs-audio";
> +	};
> +
>  	usdhc3_pwrseq: usdhc3-pwrseq {
>  		compatible = "mmc-pwrseq-simple";
>  		reset-gpios = <&pcal6524 8 GPIO_ACTIVE_LOW>;
> @@ -473,6 +479,21 @@ &mu7 {
>  	status = "okay";
>  };
>
> +&mqs1 {
> +	clocks = <&scmi_clk IMX95_CLK_SAI1>;
> +	clock-names = "mclk";
> +	pinctrl-0 = <&pinctrl_mqs1>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	mqs1_port: port {
> +		mqs1_ep: endpoint {
> +			dai-format = "left_j";
> +			remote-endpoint = <&sai1_port1_ep>;
> +		};
> +	};
> +};
> +
>  &netc_blk_ctrl {
>  	status = "okay";
>  };
> @@ -534,6 +555,51 @@ &pcie0 {
>  	status = "okay";
>  };
>
> +&sai1 {
> +	clocks = <&scmi_clk IMX95_CLK_BUSAON>, <&dummy>,
> +		 <&scmi_clk IMX95_CLK_SAI1>, <&dummy>,
> +		 <&dummy>, <&scmi_clk IMX95_CLK_AUDIOPLL1>,
> +		 <&scmi_clk IMX95_CLK_AUDIOPLL2>;
> +	clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k", "pll11k";
> +	assigned-clocks = <&scmi_clk IMX95_CLK_AUDIOPLL1_VCO>,
> +			  <&scmi_clk IMX95_CLK_AUDIOPLL2_VCO>,
> +			  <&scmi_clk IMX95_CLK_AUDIOPLL1>,
> +			  <&scmi_clk IMX95_CLK_AUDIOPLL2>,
> +			  <&scmi_clk IMX95_CLK_SAI1>;
> +	assigned-clock-parents = <0>, <0>, <0>, <0>, <&scmi_clk IMX95_CLK_AUDIOPLL1>;
> +	assigned-clock-rates = <3932160000>, <3612672000>,
> +			       <393216000>, <361267200>,
> +			       <24576000>;
> +	fsl,sai-mclk-direction-output;
> +	status = "okay";
> +
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		/* leave unconnected - no RX in the context of MQS */
> +		port@0 {
> +			reg = <0>;
> +
> +			endpoint {
> +			};
> +		};
> +
> +		sai1_port1: port@1 {
> +			reg = <1>;
> +			mclk-fs = <512>;
> +
> +			sai1_port1_ep: endpoint {
> +				dai-format = "left_j";
> +				system-clock-direction-out;
> +				bitclock-master;
> +				frame-master;
> +				remote-endpoint = <&mqs1_ep>;
> +			};
> +		};
> +	};
> +};
> +
>  &scmi_iomuxc {
>  	pinctrl_emdio: emdiogrp {
>  		fsl,pins = <
> @@ -618,6 +684,13 @@ IMX95_PAD_GPIO_IO31__LPI2C4_SCL				0x40000b9e
>  		>;
>  	};
>
> +	pinctrl_mqs1: mqs1grp {
> +		fsl,pins = <
> +			IMX95_PAD_SAI1_TXFS__AONMIX_TOP_MQS1_LEFT		0x31e
> +			IMX95_PAD_SAI1_RXD0__AONMIX_TOP_MQS1_RIGHT		0x31e
> +		>;
> +	};
> +
>  	pinctrl_pcal6524: pcal6524grp {
>  		fsl,pins = <
>  			IMX95_PAD_GPIO_IO34__GPIO5_IO_BIT14			0x31e
> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
> index 55e2da094c88..0c55861d673c 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -391,6 +391,11 @@ scmi_misc: protocol@84 {
>  		};
>  	};
>
> +	mqs1: mqs-1 {
> +		compatible = "fsl,imx95-aonmix-mqs";
> +		status = "disabled";
> +	};
> +
>  	pmu {
>  		compatible = "arm,cortex-a55-pmu";
>  		interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
> --
> 2.43.0
>