Commit c5362501 authored by Primoz Fiser's avatar Primoz Fiser Committed by Shawn Guo
Browse files

arm64: dts: imx93-phycore-som: Add RPMsg overlay 



Add an overlay used for remote processor inter-core communication
between A55 and M33 cores on the phyCORE-i.MX93 SoM based boards.

Overlay adds the required reserved memory regions and enables the
mailbox unit and the M33 core for RPMsg (Remote Processor Messaging
Framework).

Signed-off-by: default avatarPrimoz Fiser <primoz.fiser@norik.com>
Reviewed-by: default avatarPeng Fan <peng.fan@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 3cb39706

arch/arm64/boot/dts/freescale/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -332,6 +332,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb 
dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb

dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-nash.dtb

dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb



imx93-phycore-rpmsg-dtbs += imx93-phyboard-nash.dtb imx93-phyboard-segin.dtb imx93-phycore-rpmsg.dtbo

dtb-$(CONFIG_ARCH_MXC) += imx93-phycore-rpmsg.dtb



dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba91xxca.dtb

dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxca.dtb

dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb

arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso

0 → 100644
+60 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)

/*

 * Copyright (C) 2025 PHYTEC Messtechnik GmbH

 * Author: Primoz Fiser <primoz.fiser@norik.com>

 */



/dts-v1/;

/plugin/;



&{/} {

	reserved-memory {

		#address-cells = <2>;

		#size-cells = <2>;



		rsc_table: rsc-table@2021e000 {

			reg = <0 0x2021e000 0 0x1000>;

			no-map;

		};



		vdev0vring0: vdev0vring0@a4000000 {

			reg = <0 0xa4000000 0 0x8000>;

			no-map;

		};



		vdev0vring1: vdev0vring1@a4008000 {

			reg = <0 0xa4008000 0 0x8000>;

			no-map;

		};



		vdev1vring0: vdev1vring0@a4010000 {

			reg = <0 0xa4010000 0 0x8000>;

			no-map;

		};



		vdev1vring1: vdev1vring1@a4018000 {

			reg = <0 0xa4018000 0 0x8000>;

			no-map;

		};



		vdevbuffer: vdevbuffer@a4020000 {

			compatible = "shared-dma-pool";

			reg = <0 0xa4020000 0 0x100000>;

			no-map;

		};

	};

};



&cm33 {

	mbox-names = "tx", "rx", "rxdb";

	mboxes = <&mu1 0 1>,

		 <&mu1 1 1>,

		 <&mu1 3 1>;

	memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,

		 <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;

	status = "okay";

};



&mu1 {

	status = "okay";

};