On Thu, Jul 30, 2026 at 09:34:12AM -0700, Laurentiu Mihalcea wrote: > 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"; > + };
should we have a common dtsi, instead of having an overlay for each board? something like arch/arm64/boot/dts/ti/k3-am62-ti-ipc-firmware.dtsi ? the goal would be to avoid duplication, and to have the functionality just working out of the box for all the boards that opt in for it. Francesco
