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Message-ID: <20240415134926.1254428-3-antonio.borneo@foss.st.com>
Date: Mon, 15 Apr 2024 15:49:17 +0200
From: Antonio Borneo <antonio.borneo@...s.st.com>
To: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh+dt@...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>,
        Catalin Marinas
	<catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
CC: Antonio Borneo <antonio.borneo@...s.st.com>,
        Fabrice Gasnier
	<fabrice.gasnier@...s.st.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v2 02/11] dt-bindings: interrupt-controller: stm32-exti: Add irq mapping to parent

The mapping of EXTI events to its parent interrupt controller is
both SoC and instance dependent.
The current implementation requires adding a new mapping table to
the driver's code and a new compatible for each new EXTI instance.

Use the interrupts-extended property to list, for each EXTI event,
the associated parent interrupt.

Co-developed-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
Signed-off-by: Antonio Borneo <antonio.borneo@...s.st.com>
---
 .../interrupt-controller/st,stm32-exti.yaml     | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
index 00c10a8258f13..9967e57b449b0 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
@@ -89,8 +89,23 @@ examples:
         reg = <0x5000d000 0x400>;
     };
 
+  - |
     //Example 2
-    exti2: interrupt-controller@...13c00 {
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    exti2: interrupt-controller@...0d000 {
+        compatible = "st,stm32mp1-exti", "syscon";
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        reg = <0x5000d000 0x400>;
+        interrupts-extended =
+            <&intc GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+            <0>,
+            <&intc GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+    };
+
+  - |
+    //Example 3
+    exti3: interrupt-controller@...13c00 {
         compatible = "st,stm32-exti";
         interrupt-controller;
         #interrupt-cells = <2>;
-- 
2.34.1


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