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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: Primoz Fiser <primoz.fiser@norik.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
pull/1309/head
Primoz Fiser 2025-07-08 06:22:03 +02:00 committed by Shawn Guo
parent 3cb39706da
commit c53625013b
2 changed files with 64 additions and 0 deletions
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4
arch/arm64/boot/dts/freescale/Makefile
View File

@ -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

60
arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso Normal file
View File

@ -0,0 +1,60 @@
// 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";
};