[PATCH v3 4/4] arm64: dts: freescale: add DT overlay for MX95-15x15-FRDM RPMSG usage
Laurentiu Mihalcea <[email protected]> Thu, 30 Jul 2026 09:34:12 -0700
| Newsgroups | org.kernel.vger.linux-remoteproc,dev.linux.lists.imx,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: Laurentiu Mihalcea <[email protected]> Add RPMSG DT overlay for the MX95-15x15-FRDM board. This overlay is meant to be used with the mx95evkrpmsg system manager configuration for remoteproc and audio over rpmsg-usecases. Reviewed-by: Daniel Baluta <[email protected]> Signed-off-by: Laurentiu Mihalcea <[email protected]> --- arch/arm64/boot/dts/freescale/Makefile | 3 + .../dts/freescale/imx95-15x15-frdm-rpmsg.dtso | 67 +++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 95ae85ab4adf..3f98132f5a32 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -707,6 +707,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx943-evk-sdwifi.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-ab2.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-frdm.dtb +dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-frdm-rpmsg.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk-sof.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-frdm-pro.dtb @@ -729,6 +730,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx95-verdin-wifi-mallow.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-verdin-wifi-yavia.dtb dtb-$(CONFIG_ARCH_MXC) += imx95-verdin-wifi-zinnia.dtb +imx95-15x15-frdm-rpmsg-dtbs = imx95-15x15-frdm.dtb imx95-15x15-frdm-rpmsg.dtbo + imx95-15x15-evk-pcie-dtbs += imx95-15x15-evk.dtb imx-m2-pcie.dtbo dtb-$(CONFIG_ARCH_MXC) += imx95-15x15-evk-pcie.dtb diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso new file mode 100644 index 000000000000..bc02864c6f88 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2026 NXP + * + * This DT overlay is meant to be used alongside the mx95evkrpmsg SM + * configuration for remoteproc and audio over rpmsg. + */ + +/dts-v1/; +/plugin/; + +&{/} { + remoteproc-cm7 { + compatible = "fsl,imx95-cm7"; + mboxes = <&mu7 0 1>, <&mu7 1 1>, <&mu7 3 1>; + mbox-names = "tx", "rx", "rxdb"; + memory-region = <&vdev0buffer>, <&vdev0vring0>, + <&vdev0vring1>, <&rsc_table>; + memory-region-names = "vdev0buffer", "vdev0vring0", + "vdev0vring1", "rsc-table"; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + + vdev0vring0: memory@88000000 { + reg = <0 0x88000000 0 0x8000>; + no-map; + }; + + vdev0vring1: memory@88008000 { + reg = <0 0x88008000 0 0x8000>; + no-map; + }; + + vdev0buffer: memory@88020000 { + compatible = "shared-dma-pool"; + reg = <0 0x88020000 0 0x100000>; + no-map; + }; + + rsc_table: memory@88220000 { + reg = <0 0x88220000 0 0x1000>; + no-map; + }; + }; + + sound-micfil { + status = "disabled"; + }; +}; + +&edma1 { + /* reserved for M7 */ + dma-channel-mask = <0x40>; +}; + +&edma2 { + /* reserved for M7 and V2X */ + dma-channel-mask = <0xf>; +}; + +&micfil { + /* reserved for M7 */ + status = "reserved"; +}; -- 2.53.0