[PATCH] arm64: dts: st: add optee interrupt on stm32mp211

From: gabriel.fernandez

Date: Thu Oct 08 2026 - 04:08:16 EST


From: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>

Describe the secure-world notification interrupt of the OP-TEE node
by adding interrupt-parent and interrupts properties.
OP-TEE uses the GIC PPI 15 (level low) as asynchronous notification
to the non-secure OS.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp211.dtsi | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp211.dtsi b/arch/arm64/boot/dts/st/stm32mp211.dtsi
index 4bfd58b26b51..11929bf00ecd 100644
--- a/arch/arm64/boot/dts/st/stm32mp211.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp211.dtsi
@@ -50,6 +50,8 @@ firmware {
optee {
compatible = "linaro,optee-tz";
method = "smc";
+ interrupt-parent = <&intc>;
+ interrupts = <GIC_PPI 15 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
};

scmi: scmi {

base-commit: f831584128ac2a36fb4fa62fe106793d08c2dbf1
--
2.43.0