[PATCH v2 17/17] arm64: dts: fsl: Add DT overlay to build MQS1 sound cards on i.MX9 platforms
From: Chancel Liu <hidden>
Date: 2026-08-18 03:04:36
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Chancel Liu <redacted> Add a common DT overlay to support MQS sound cards on i.MX9 platforms. MQS output pins are often shared with other devices, so the overlay routes SAI1 to MQS1 and disables the conflicting device and sound card. Signed-off-by: Chancel Liu <redacted> --- arch/arm64/boot/dts/freescale/Makefile | 12 +++++ arch/arm64/boot/dts/freescale/imx9-mqs.dtso | 54 +++++++++++++++++++++ 2 files changed, 66 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx9-mqs.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 95ae85ab4adf..6e9e3226a693 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile@@ -613,6 +613,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx91-9x9-qsb.dtb dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-frdm.dtb dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-frdm-s.dtb +imx91-11x11-evk-mqs-dtbs += imx91-11x11-evk.dtb imx9-mqs.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk-mqs.dtb dtb-$(CONFIG_ARCH_MXC) += imx91-phyboard-segin.dtb imx91-9x9-qsb-can1-dtbs += imx91-9x9-qsb.dtb imx91-9x9-qsb-can1.dtbo
@@ -645,6 +647,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb imx93-11x11-evk-dy1212w-4856-dtbs += imx93-11x11-evk.dtb imx93-11x11-evk-dy1212w-4856.dtbo dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk-dy1212w-4856.dtb +imx93-11x11-evk-mqs-dtbs += imx93-11x11-evk.dtb imx9-mqs.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk-mqs.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm.dtb
@@ -652,6 +656,8 @@ imx93-11x11-frdm-pixpaper-dtbs += imx93-11x11-frdm.dtb imx93-11x11-frdm-pixpaper dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm-pixpaper.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb +imx93-14x14-evk-mqs-dtbs += imx93-14x14-evk.dtb imx9-mqs.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk-mqs.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-nash.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
@@ -703,6 +709,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx943-evk-pcie0-ep.dtb imx943-evk-pcie1-ep.dtb imx943-evk-sdwifi-dtbs := imx943-evk.dtb imx943-evk-sdwifi.dtbo dtb-$(CONFIG_ARCH_MXC) += imx943-evk-sdwifi.dtb +imx943-evk-mqs-dtbs += imx943-evk.dtb imx9-mqs.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx943-evk-mqs.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-ab2.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk.dtb
@@ -734,6 +742,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-pcie.dtb imx95-15x15-evk-pcie0-ep-dtbs = imx95-15x15-evk-pcie.dtb imx-pcie0-ep.dtbo dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-pcie0-ep.dtb +imx95-15x15-evk-mqs-dtbs += imx95-15x15-evk.dtb imx9-mqs.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-mqs.dtb imx95-19x19-evk-pcie0-ep-dtbs += imx95-19x19-evk.dtb imx-pcie0-ep.dtbo imx95-19x19-evk-pcie1-ep-dtbs += imx95-19x19-evk.dtb imx-pcie1-ep.dtbo dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk-pcie0-ep.dtb imx95-19x19-evk-pcie1-ep.dtb
@@ -742,6 +752,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx95-libra-rdk-fpsc.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-verdin-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx952-evk.dtb +imx952-evk-mqs-dtbs += imx952-evk.dtb imx9-mqs.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx952-evk-mqs.dtb imx8mm-kontron-dl-dtbs := imx8mm-kontron-bl.dtb imx8mm-kontron-dl.dtbo imx8mm-kontron-bl-lte-dtbs := imx8mm-kontron-bl.dtb imx8mm-kontron-bl-lte.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx9-mqs.dtso b/arch/arm64/boot/dts/freescale/imx9-mqs.dtso
new file mode 100644
index 000000000000..9ac6d58eacbb
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx9-mqs.dtso@@ -0,0 +1,54 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2026 NXP + */ + +/dts-v1/; +/plugin/; + +&{/} { + sound-mqs { + compatible = "audio-graph-card2"; + links = <&sai1_port1>; + label = "mqs-audio"; + }; +}; + +&mqs1_conflict_card { + status = "disabled"; +}; + +&mqs1_conflict_dev { + status = "disabled"; +}; + +&mqs1 { + status = "okay"; + + port { + mqs1_endpoint: endpoint { + remote-endpoint = <&sai1_endpoint1>; + }; + }; +}; + +&sai1 { + ports { + #address-cells = <1>; + #size-cells = <0>; + + sai1_port1: port@1 { + reg = <1>; + playback-only; + + sai1_endpoint1: endpoint { + dai-format = "left_j"; + bitclock-master; + frame-master; + mclk-fs = <512>; + system-clock-direction-out; + remote-endpoint = <&mqs1_endpoint>; + }; + }; + }; +};
--
2.50.1