linux-kernel - [PATCH 1/5] dt-bindings: interrupt-controller: Add Renesas RZ/A1 Interrupt Controller

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Message-Id: <20190429093631.10799-2-geert+renesas@glider.be>
Date:   Mon, 29 Apr 2019 11:36:27 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Chris Brandt <chris.brandt@...esas.com>
Cc:     devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH 1/5] dt-bindings: interrupt-controller: Add Renesas RZ/A1 Interrupt Controller

Add DT bindings for the Renesas RZ/A1 Interrupt Controller.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 .../renesas,rza1-irqc.txt                     | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/renesas,rza1-irqc.txt

diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,rza1-irqc.txt b/Documentation/devicetree/bindings/interrupt-controller/renesas,rza1-irqc.txt
new file mode 100644
index 0000000000000000..0914d3d216c3bdac
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,rza1-irqc.txt
@@ -0,0 +1,27 @@
+DT bindings for the Renesas RZ/A1 Interrupt Controller
+
+The RZ/A1 Interrupt Controller is a front-end for the GIC found on Renesas
+RZ/A1 SoCs:
+  - IRQ sense select for 8 external interrupts, 1:1-mapped to 8 GIC SPI
+    interrupts,
+  - NMI edge select.
+
+Required properties:
+  - compatible: Must be "renesas,<soctype>-irqc", and "renesas,rza1-irqc" as
+		fallback.
+		Examples with soctypes are:
+		  - "renesas,r7s72100-irqc" (RZ/A1H)
+  - #interrupt-cells: Must be 2 (an interrupt index and flags, as defined
+				 in interrupts.txt in this directory)
+  - interrupt-controller: Marks the device as an interrupt controller
+  - reg: Base address and length of the memory resource used by the interrupt
+         controller
+
+Example:
+
+	irqc: interrupt-controller@...ef800 {
+		compatible = "renesas,r7s72100-irqc", "renesas,rza1-irqc";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		reg = <0xfcfef800 0x6>;
+	};
-- 
2.17.1