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Fri, 22 May 2026 04:20:42 -0700 (PDT) From: Laurentiu Mihalcea To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Peng Fan , Fabio Estevam Cc: Pengutronix Kernel Team , linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] arm64: dts: freescale: add DT overlay for MX95-15x15-FRDM RPMSG usage Date: Fri, 22 May 2026 04:18:49 -0700 Message-ID: <20260522111849.783-6-laurentiumihalcea111@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260522111849.783-1-laurentiumihalcea111@gmail.com> References: <20260522111849.783-1-laurentiumihalcea111@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Laurentiu Mihalcea 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 --- 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"; +}; -- 2.43.0