* [PATCH] arm64: dts: st: add optee interrupt on stm32mp211
@ 2026-10-08 8:07 gabriel.fernandez
0 siblings, 0 replies; only message in thread
From: gabriel.fernandez @ 2026-10-08 8:07 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Maxime Coquelin,
Alexandre Torgue
Cc: devicetree, linux-stm32, linux-arm-kernel, linux-kernel,
gabriel.fernandez
From: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
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@foss.st.com>
---
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
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2026-10-08 8:07 [PATCH] arm64: dts: st: add optee interrupt on stm32mp211 gabriel.fernandez
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