linux-kernel - [PATCH] arm64: dts: st: OP-TEE async notif on PPI 15 for stm32mp25

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Date: Tue, 21 May 2024 10:01:31 +0200
From: Pascal Paillet <p.paillet@...s.st.com>
To: Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <p.paillet@...s.st.com>
Subject: [PATCH] arm64: dts: st: OP-TEE async notif on PPI 15 for stm32mp25

From: Etienne Carriere <etienne.carriere@...s.st.com>

Define GIC PPI 15 (aka GIC interrupt line 31) for OP-TEE asynchronous
notification.

Signed-off-by: Etienne Carriere <etienne.carriere@...s.st.com>
Signed-off-by: Pascal Paillet <p.paillet@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp251.dtsi | 4 +++-
 arch/arm64/boot/dts/st/stm32mp253.dtsi | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 4b48e4ed2d28..d0e10dda96b6 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -51,9 +51,11 @@ clk_rcbsec: clk-rcbsec {
 	};
 
 	firmware {
-		optee {
+		optee: optee {
 			compatible = "linaro,optee-tz";
 			method = "smc";
+			interrupt-parent = <&intc>;
+			interrupts = <GIC_PPI 15 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
 		};
 
 		scmi {
diff --git a/arch/arm64/boot/dts/st/stm32mp253.dtsi b/arch/arm64/boot/dts/st/stm32mp253.dtsi
index 029f88981961..69001f924d17 100644
--- a/arch/arm64/boot/dts/st/stm32mp253.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp253.dtsi
@@ -28,3 +28,7 @@ timer {
 			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
 	};
 };
+
+&optee {
+	interrupts = <GIC_PPI 15 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+};
-- 
2.34.1