diff options
| author | Primoz Fiser <primoz.fiser@norik.com> | 2025-07-08 06:22:03 +0200 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2025-07-11 16:34:32 +0800 |
| commit | c53625013b1ef678d67ca5c7f3e53e7081b7ec94 (patch) | |
| tree | 0204618d97d5b93487dd2e0e5eca4b6353ed3c46 | |
| parent | 3cb39706da205e4b603c185af8fdcaa378d44987 (diff) | |
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>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso | 60 |
2 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index e42ac59d40d1..5abff632014c 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -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 diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso b/arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso new file mode 100644 index 000000000000..23bede7833f8 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-rpmsg.dtso @@ -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"; +}; |