From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Wed, 18 Mar 2026 15:26:07 +0100
Subject: [PATCH] ARM: dts: ccmp25: add signed firmware support for RPROC

Declare only the shared memory used for inter-processor communication
(including the resource table) to allow remoteproc to load/authenticate signed
Cortex-M33 firmware.

https://onedigi.atlassian.net/browse/DEL-9813

Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
 arch/arm/dts/ccmp25.dtsi | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/dts/ccmp25.dtsi b/arch/arm/dts/ccmp25.dtsi
index cdbc26efabc..b0a91cb0180 100644
--- a/arch/arm/dts/ccmp25.dtsi
+++ b/arch/arm/dts/ccmp25.dtsi
@@ -246,11 +246,8 @@
 &m33_rproc {
 	mboxes = <&ipcc1 0x100>, <&ipcc1 0x101>, <&ipcc1 2>;
 	mbox-names = "vq0", "vq1", "shutdown";
-	memory-region = <&cm33_cube_fw>, <&cm33_cube_data>,
-			<&ipc_shmem_1>, <&vdev0vring0>,
-			<&vdev0vring1>, <&vdev0buffer>,
-			<&cm33_sram2>;
-	st,syscfg-nsvtor = <&a35ss_syscfg 0x20a8 0xffffff80>;
+	compatible = "st,stm32mp2-m33-tee";
+	memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdev0buffer>, <&ipc_shmem_1>;
 	status = "okay";
 };