meta-digi/meta-digi-arm/dynamic-layers/stm-st-stm32mp/recipes-security/optee/optee-os-stm32mp/0001-ARM-dts-ccmp15-add-sig...

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From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Mon, 3 Nov 2025 23:00:27 +0100
Subject: [PATCH] ARM: dts: ccmp15: add signed firmware support for RPROC
Enable the Cortex-M4 inter-processor communication node so remoteproc can
load and authenticate signed firmware binaries.
https://onedigi.atlassian.net/browse/DEL-9920
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
core/arch/arm/dts/ccmp15-dvk.dtsi | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/core/arch/arm/dts/ccmp15-dvk.dtsi b/core/arch/arm/dts/ccmp15-dvk.dtsi
index 7ea04b659..53533bd36 100644
--- a/core/arch/arm/dts/ccmp15-dvk.dtsi
+++ b/core/arch/arm/dts/ccmp15-dvk.dtsi
@@ -263,9 +263,12 @@
memory-region = <&retram>, <&mcusram1>, <&mcusram2>, <&mcusram3>;
mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>;
mbox-names = "vq0", "vq1", "shutdown", "detach";
+ resets = <&rcc MCU_R>, <&rcc MCU_HOLD_BOOT_R>;
+ reset-names = "mcu_rst", "hold_boot";
+ #reset-cells = <1>;
interrupt-parent = <&exti>;
interrupts = <68 1>;
- status = "disabled";
+ status = "okay";
};
&mcusram1 {