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Thu, 22 Oct 2026 10:24:18 -0700 (PDT) Received: from p14s ([2604:3d09:148c:c800:9e85:9169:41c7:bc2d]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ada490e5f8sm5060365a91.9.2026.10.22.10.24.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Oct 2026 10:24:18 -0700 (PDT) Date: Thu, 22 Oct 2026 11:24:15 -0600 From: Mathieu Poirier To: Frank.Li@oss.nxp.com Cc: Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Laurentiu Mihalcea , Frank Li , Daniel Baluta Subject: Re: [PATCH v7 3/3] arm64: dts: freescale: add DT overlay for MX95-15x15-FRDM RPMSG usage Message-ID: References: <20261020-memory-region-name-v7-0-1413d5928340@nxp.com> <20261020-memory-region-name-v7-3-1413d5928340@nxp.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261020-memory-region-name-v7-3-1413d5928340@nxp.com> On Tue, Oct 20, 2026 at 12:50:23PM -0400, Frank.Li@oss.nxp.com wrote: > From: Laurentiu Mihalcea > > Move related memory region to overlay files. > > 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 > Signed-off-by: Laurentiu Mihalcea > Reviewed-by: Peng Fan > Signed-off-by: Frank Li > --- > arch/arm64/boot/dts/freescale/Makefile | 3 + > .../boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso | 81 ++++++++++++++++++++++ > arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts | 31 --------- I will need an R-b from Sascha to merge the above files, otherwise they will have to be resent separately. Thanks, Mathieu > 3 files changed, 84 insertions(+), 31 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile > index a80cccf34eb56..f3b19f3b1488e 100644 > --- a/arch/arm64/boot/dts/freescale/Makefile > +++ b/arch/arm64/boot/dts/freescale/Makefile > @@ -960,6 +960,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx943-evk-mqs.dtb > dtb-$(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 > @@ -984,6 +985,8 @@ 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 0000000000000..c3deb277edabf > --- /dev/null > +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm-rpmsg.dtso > @@ -0,0 +1,81 @@ > +// 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>, > + <&vdev1vring0>, <&vdev1vring1>, > + <&rsc_table>; > + memory-region-names = "vdev0buffer", > + "vdev0vring0", "vdev0vring1", > + "vdev1vring0", "vdev1vring1", > + "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; > + }; > + > + vdev1vring0: memory@88010000 { > + reg = <0 0x88010000 0 0x8000>; > + no-map; > + }; > + > + vdev1vring1: memory@88018000 { > + reg = <0 0x88018000 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"; > +}; > diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts > index f82e149323d34..3ab679e5a4740 100644 > --- a/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts > +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-frdm.dts > @@ -189,37 +189,6 @@ linux_cma: linux,cma { > linux,cma-default; > }; > > - vdev0vring0: vdev0vring0@88000000 { > - reg = <0 0x88000000 0 0x8000>; > - no-map; > - }; > - > - vdev0vring1: vdev0vring1@88008000 { > - reg = <0 0x88008000 0 0x8000>; > - no-map; > - }; > - > - vdev1vring0: vdev1vring0@88010000 { > - reg = <0 0x88010000 0 0x8000>; > - no-map; > - }; > - > - vdev1vring1: vdev1vring1@88018000 { > - reg = <0 0x88018000 0 0x8000>; > - no-map; > - }; > - > - vdev0buffer: vdev0buffer@88020000 { > - compatible = "shared-dma-pool"; > - reg = <0 0x88020000 0 0x100000>; > - no-map; > - }; > - > - rsc_table: rsc-table@88220000 { > - reg = <0 0x88220000 0 0x1000>; > - no-map; > - }; > - > vpu_boot: memory@a0000000 { > reg = <0 0xa0000000 0 0x100000>; > no-map; > > -- > 2.43.0 >