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Message-ID: <20191115181239.549-1-alexandre.torgue@st.com>
Date: Fri, 15 Nov 2019 19:12:39 +0100
From: Alexandre Torgue <alexandre.torgue@...com>
To: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <maz@...nel.org>
CC: <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Alexandre Torgue <alexandre.torgue@...com>,
<linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH v2] dt-bindings: interrupt-controller: Convert stm32-exti to json-schema
Convert the STM32 external interrupt controller (EXTI) binding to DT
schema format using json-schema.
Signed-off-by: Alexandre Torgue <alexandre.torgue@...com>
---
Changes since v1:
According to Rob's review:
-fix license
-fix interrupts conditional declaration
regards
Alex
diff --git a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt
deleted file mode 100644
index cd01b2292ec6..000000000000
--- a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-STM32 External Interrupt Controller
-
-Required properties:
-
-- compatible: Should be:
- "st,stm32-exti"
- "st,stm32h7-exti"
- "st,stm32mp1-exti"
-- reg: Specifies base physical address and size of the registers
-- interrupt-controller: Indentifies the node as an interrupt controller
-- #interrupt-cells: Specifies the number of cells to encode an interrupt
- specifier, shall be 2
-- interrupts: interrupts references to primary interrupt controller
- (only needed for exti controller with multiple exti under
- same parent interrupt: st,stm32-exti and st,stm32h7-exti)
-
-Optional properties:
-
-- hwlocks: reference to a phandle of a hardware spinlock provider node.
-
-Example:
-
-exti: interrupt-controller@...13c00 {
- compatible = "st,stm32-exti";
- interrupt-controller;
- #interrupt-cells = <2>;
- reg = <0x40013C00 0x400>;
- interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
-};
diff --git a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
new file mode 100644
index 000000000000..9e5c6608b4e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/st,stm32-exti.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STM32 External Interrupt Controller Device Tree Bindings
+
+maintainers:
+ - Alexandre Torgue <alexandre.torgue@...com>
+ - Ludovic Barre <ludovic.barre@...com>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - st,stm32-exti
+ - st,stm32h7-exti
+ - items:
+ - enum:
+ - st,stm32mp1-exti
+ - const: syscon
+
+ "#interrupt-cells":
+ const: 2
+
+ reg:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ hwlocks:
+ maxItems: 1
+ description:
+ Reference to a phandle of a hardware spinlock provider node.
+
+ interrupts:
+ description:
+ Interrupts references to primary interrupt controller
+
+required:
+ - "#interrupt-cells"
+ - compatible
+ - reg
+ - interrupt-controller
+
+allOf:
+ - $ref: /schemas/interrupt-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - st,stm32-exti
+ then:
+ properties:
+ interrupts:
+ minItems: 1
+ maxItems: 32
+ required:
+ - interrupts
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - st,stm32h7-exti
+ then:
+ properties:
+ interrupts:
+ minItems: 1
+ maxItems: 96
+ required:
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ //Example 1
+ exti1: interrupt-controller@...0d000 {
+ compatible = "st,stm32mp1-exti", "syscon";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0x5000d000 0x400>;
+ };
+
+ //Example 2
+ exti2: interrupt-controller@...13c00 {
+ compatible = "st,stm32-exti";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0x40013C00 0x400>;
+ interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
+ };
+
+...
--
2.17.1
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