From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Tue, 4 Nov 2025 11:10:24 +0100
Subject: [PATCH] ARM: dts: ccmp15: 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-M4 firmware.

https://onedigi.atlassian.net/browse/DEL-9920

Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
 arch/arm/dts/ccmp15.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/ccmp15.dtsi b/arch/arm/dts/ccmp15.dtsi
index 2e2e7788933..f0bdf3d6ed8 100644
--- a/arch/arm/dts/ccmp15.dtsi
+++ b/arch/arm/dts/ccmp15.dtsi
@@ -373,8 +373,8 @@
 };
 
 &m4_rproc {
-	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
-			<&vdev0vring1>, <&vdev0buffer>, <&mcu_rsc_table>;
+	compatible = "st,stm32mp1-m4-tee";
+	memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdev0buffer>, <&mcu_rsc_table>;
 	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
 	mbox-names = "vq0", "vq1", "shutdown";
 	interrupt-parent = <&exti>;