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Date: Mon, 22 Apr 2024 22:45:14 -0000
From: "tip-bot2 for Antonio Borneo" <tip-bot2@linutronix.de>
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Subject: [tip: irq/core] dt-bindings: interrupt-controller: stm32-exti: Add
 irq mapping to parent
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>,
 Antonio Borneo <antonio.borneo@foss.st.com>,
 Thomas Gleixner <tglx@linutronix.de>, "Rob Herring (Arm)" <robh@kernel.org>,
 x86@kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org
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The following commit has been merged into the irq/core branch of tip:

Commit-ID:     e9c17d91e6980993711eebe0c914fbd31298b94e
Gitweb:        https://git.kernel.org/tip/e9c17d91e6980993711eebe0c914fbd31298b94e
Author:        Antonio Borneo <antonio.borneo@foss.st.com>
AuthorDate:    Mon, 15 Apr 2024 15:49:17 +02:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Tue, 23 Apr 2024 00:28:14 +02:00

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.

To avoid that use the interrupts-extended property to list, for each EXTI
event, the associated parent interrupt.

Co-developed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240415134926.1254428-3-antonio.borneo@foss.st.com

---
 Documentation/devicetree/bindings/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 00c10a8..9967e57 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@40013c00 {
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    exti2: interrupt-controller@5000d000 {
+        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@40013c00 {
         compatible = "st,stm32-exti";
         interrupt-controller;
         #interrupt-cells = <2>;