[PATCH 00/17] arm64: dts: Add MQS1 sound card support for i.MX9 EVK platforms
From: Chancel Liu
Date: Fri Aug 14 2026 - 03:23:50 EST
From: Chancel Liu <chancel.liu@xxxxxxx>
MQS (Medium Quality Sound) is an internal audio DAC available on multiple
NXP i.MX9 SoCs. On EVK boards, the MQS output pins are typically shared
with other peripherals (CAN, PDM microphone, etc.), so enabling MQS
requires switching board-level pin muxes and disabling the conflicting
device.
This series adds MQS1 sound card support across the following platforms:
- i.MX91 11x11 EVK
- i.MX93 11x11 EVK
- i.MX93 14x14 EVK
- i.MX943 EVK
- i.MX95 15x15 EVK
- i.MX952 EVK
Chancel Liu (17):
arm64: dts: imx91_93_common: Add clock and sound-dai-cells properties
for MQS
arm64: dts: imx91-11x11-evk: Add board muxes to select between PDM and
MQS1
arm64: dts: imx91-11x11-evk: Add pinmux and mark conflicting devices
for MQS1
arm64: dts: imx93-11x11-evk: Add board muxes to select between PDM and
MQS1
arm64: dts: imx93-11x11-evk: Add pinmux and mark conflicting devices
for MQS1
arm64: dts: imx93-14x14-evk: Add board muxes to select between
FlexCAN1 and MQS1
arm64: dts: imx93-14x14-evk: Add pinmux and mark conflicting devices
for MQS1
arm64: dts: imx94: Add clock and sound-dai-cells properties for MQS1
arm64: dts: imx943-evk: Add board muxes to select between CAN1/PDM and
MQS1/MIC
arm64: dts: imx943-evk: Add pinmux and mark conflicting devices for
MQS1
arm64: dts: imx95: Add clock and sound-dai-cells properties for MQS1
arm64: dts: imx95-15x15-evk: Add board muxes to select between PDM and
MQS1
arm64: dts: imx95-15x15-evk: Add pinmux and mark conflicting devices
for MQS1
arm64: dts: imx952: Add AONMIX MQS device node
arm64: dts: imx952-evk: Add board muxes to select between CAN1/PDM
arm64: dts: imx952-evk: Add pinmux and mark conflicting devices for
MQS1
arm64: dts: fsl: Add DT overlay to build MQS1 sound cards on i.MX9
platforms
arch/arm64/boot/dts/freescale/Makefile | 12 ++++
arch/arm64/boot/dts/freescale/imx9-mqs.dtso | 54 ++++++++++++++
.../boot/dts/freescale/imx91-11x11-evk.dts | 41 ++++++++++-
.../boot/dts/freescale/imx91_93_common.dtsi | 6 ++
.../boot/dts/freescale/imx93-11x11-evk.dts | 41 ++++++++++-
.../boot/dts/freescale/imx93-14x14-evk.dts | 50 ++++++++++++-
arch/arm64/boot/dts/freescale/imx94.dtsi | 3 +
arch/arm64/boot/dts/freescale/imx943-evk.dts | 70 +++++++++++++-----
.../boot/dts/freescale/imx95-15x15-evk.dts | 42 ++++++++++-
arch/arm64/boot/dts/freescale/imx95.dtsi | 3 +
arch/arm64/boot/dts/freescale/imx952-evk.dts | 71 ++++++++++++++-----
arch/arm64/boot/dts/freescale/imx952.dtsi | 8 +++
12 files changed, 358 insertions(+), 43 deletions(-)
create mode 100644 arch/arm64/boot/dts/freescale/imx9-mqs.dtso
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2.50.1