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From: Claudiu Beznea <claudiu.beznea@microchip.com>
To: <tglx@linutronix.de>, <maz@kernel.org>, <robh+dt@kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	Claudiu Beznea <claudiu.beznea@microchip.com>,
	Rob Herring <robh@kernel.org>
Subject: [PATCH v3 1/2] dt-bindings: microchip,eic: add bindings
Date: Fri, 24 Sep 2021 19:28:16 +0300	[thread overview]
Message-ID: <20210924162817.2135056-2-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <20210924162817.2135056-1-claudiu.beznea@microchip.com>

Add DT bindings for Microchip External Interrupt Controller.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../interrupt-controller/microchip,eic.yaml   | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/microchip,eic.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/microchip,eic.yaml b/Documentation/devicetree/bindings/interrupt-controller/microchip,eic.yaml
new file mode 100644
index 000000000000..917a35e97b7a
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/microchip,eic.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/microchip,eic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip External Interrupt Controller
+
+maintainers:
+  - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description:
+  This interrupt controller is found in Microchip SoCs (SAMA7G5) and provides
+  support for handling up to 2 external interrupt lines.
+
+properties:
+  compatible:
+    enum:
+      - microchip,sama7g5-eic
+
+  reg:
+    maxItems: 1
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 2
+    description:
+      The first cell is the input IRQ number (between 0 and 1), the second cell
+      is the trigger type as defined in interrupt.txt present in this directory.
+
+  interrupts:
+    description: |
+      Contains the GIC SPI IRQs mapped to the external interrupt lines. They
+      should be specified sequentially from output 0 to output 1.
+    minItems: 2
+    maxItems: 2
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: pclk
+
+required:
+  - compatible
+  - reg
+  - interrupt-controller
+  - '#interrupt-cells'
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/at91.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    eic: interrupt-controller@e1628000 {
+      compatible = "microchip,sama7g5-eic";
+      reg = <0xe1628000 0x100>;
+      interrupt-parent = <&gic>;
+      interrupt-controller;
+      #interrupt-cells = <3>;
+      interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+                   <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&pmc PMC_TYPE_PERIPHERAL 37>;
+      clock-names = "pclk";
+    };
+
+...
-- 
2.25.1


  reply	other threads:[~2021-09-24 16:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-24 16:28 [PATCH v3 0/2] irqchip/mchp-eic: add driver for Microchip EIC Claudiu Beznea
2021-09-24 16:28 ` Claudiu Beznea [this message]
2021-09-24 16:28 ` [PATCH v3 2/2] irqchip/mchp-eic: add support Claudiu Beznea
2021-09-24 16:32 ` [PATCH v3 0/2] irqchip/mchp-eic: add driver for Microchip EIC Claudiu.Beznea
  -- strict thread matches above, loose matches on Subject: below --
2021-09-10  6:06 Claudiu Beznea
2021-09-10  6:06 ` [PATCH v3 1/2] dt-bindings: microchip,eic: add bindings Claudiu Beznea
2021-09-21 17:45   ` Rob Herring

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