linux-kernel - [PATCH v7 2/6] dt-bindings: arm: optee: add interrupt property

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Message-Id: <20211026083138.1818705-3-jens.wiklander@linaro.org>
Date:   Tue, 26 Oct 2021 10:31:34 +0200
From:   Jens Wiklander <jens.wiklander@...aro.org>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        op-tee@...ts.trustedfirmware.org, devicetree@...r.kernel.org,
        linux-doc@...r.kernel.org
Cc:     Jerome Forissier <jerome@...issier.org>,
        Etienne Carriere <etienne.carriere@...aro.org>,
        Sumit Garg <sumit.garg@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Marc Zyngier <maz@...nel.org>, jens.vankeirsbilck@...euven.be,
        Jens Wiklander <jens.wiklander@...aro.org>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v7 2/6] dt-bindings: arm: optee: add interrupt property

Adds an optional interrupt property to the optee binding.

Reviewed-by: Sumit Garg <sumit.garg@...aro.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Acked-by: Marc Zyngier <maz@...nel.org>
Signed-off-by: Jens Wiklander <jens.wiklander@...aro.org>
---
 .../devicetree/bindings/arm/firmware/linaro,optee-tz.yaml  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
index c24047c1fdd5..26d46ac0dbc2 100644
--- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
+++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
@@ -24,6 +24,12 @@ properties:
   compatible:
     const: linaro,optee-tz
 
+  interrupts:
+    maxItems: 1
+    description: |
+      This interrupt which is used to signal an event by the secure world
+      software is expected to be edge-triggered.
+
   method:
     enum: [smc, hvc]
     description: |
@@ -46,6 +52,7 @@ examples:
         optee  {
             compatible = "linaro,optee-tz";
             method = "smc";
+            interrupts = <GIC_SPI 187 IRQ_TYPE_EDGE_RISING>;
         };
     };
 
-- 
2.31.1