On 5/22/26 14:18, 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. > > Signed-off-by: Laurentiu Mihalcea <[email protected]> > --- > arch/arm64/boot/dts/freescale/Makefile | 3 + > .../dts/freescale/imx95-15x15-frdm-rpmsg.dtso | 65 +++++++++++++++++++ > 2 files changed, 68 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 513f61eb27b8..a30a99e42426 100644 > --- a/arch/arm64/boot/dts/freescale/Makefile > +++ b/arch/arm64/boot/dts/freescale/Makefile > @@ -521,6 +521,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx943-evk-pcie0-ep.dtb > imx943-evk-pcie1-ep.dtb > dtb-$(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-toradex-smarc-dev.dtb > @@ -539,6 +540,8 @@ 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..b39444dde66e > --- /dev/null > +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso > @@ -0,0 +1,65 @@ > +// 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/; > + > +&{/} { > + 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"; > + }; > +}; > + > +&cm7 { > + memory-region = <&vdev0buffer>, <&vdev0vring0>, > + <&vdev0vring1>, <&rsc_table>; > + memory-region-names = "vdev0buffer", "vdev0vring0", > + "vdev0vring1", "rsc-table"; > + status = "okay"; > +}; > + > +&edma1 { > + /* reserved for M7 */ > + dma-channel-mask = <0x40>; > +}; > + > +&edma2 { > + /* reserved for M7 and V2X */ > + dma-channel-mask = <0xf>; > +}; > + > +&micfil { > + /* reserved for M7 */ > + status = "disabled"; > +};
For this usecase usually status needs to be set to "reserved". Otherwise, Reviewed-by: Daniel Baluta <[email protected]>
