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Message-ID: <20240430083730.134918-10-herve.codina@bootlin.com>
Date: Tue, 30 Apr 2024 10:37:18 +0200
From: Herve Codina <herve.codina@...tlin.com>
To: Herve Codina <herve.codina@...tlin.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Lee Jones <lee@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Horatiu Vultur <horatiu.vultur@...rochip.com>,
	UNGLinuxDriver@...rochip.com,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Saravana Kannan <saravanak@...gle.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Lars Povlsen <lars.povlsen@...rochip.com>,
	Steen Hegelund <Steen.Hegelund@...rochip.com>,
	Daniel Machon <daniel.machon@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Allan Nielsen <allan.nielsen@...rochip.com>,
	Steen Hegelund <steen.hegelund@...rochip.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: [PATCH 09/17] dt-bindings: interrupt-controller: Add support for Microchip LAN966x OIC

The Microchip LAN966x outband interrupt controller (OIC) maps the
internal interrupt sources of the LAN966x device to an external
interrupt.
When the LAN966x device is used as a PCI device, the external interrupt
is routed to the PCI interrupt.

Signed-off-by: Herve Codina <herve.codina@...tlin.com>
---
 .../microchip,lan966x-oic.yaml                | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/microchip,lan966x-oic.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/microchip,lan966x-oic.yaml b/Documentation/devicetree/bindings/interrupt-controller/microchip,lan966x-oic.yaml
new file mode 100644
index 000000000000..b2adc7174177
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/microchip,lan966x-oic.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/microchip,lan966x-oic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip LAN966x outband interrupt controller
+
+maintainers:
+  - Herve Codina <herve.codina@...tlin.com>
+
+allOf:
+  - $ref: /schemas/interrupt-controller.yaml#
+
+description: |
+  The Microchip LAN966x outband interrupt controller (OIC) maps the internal
+  interrupt sources of the LAN966x device to an external interrupt.
+  When the LAN966x device is used as a PCI device, the external interrupt is
+  routed to the PCI interrupt.
+
+properties:
+  compatible:
+    const: microchip,lan966x-oic
+
+  '#interrupt-cells':
+    const: 2
+
+  interrupt-controller: true
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - '#interrupt-cells'
+  - interrupt-controller
+  - interrupts
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    interrupt-controller@...c0120 {
+        compatible = "microchip,lan966x-oic";
+        reg = <0xe00c0120 0x190>;
+        #interrupt-cells = <2>;
+        interrupt-controller;
+        interrupts = <0>;
+        interrupt-parent = <&intc>;
+    };
+...
-- 
2.44.0


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