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| author | Linus Walleij <linus.walleij@linaro.org> | 2019-02-01 17:09:46 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-04-23 16:02:14 +0200 |
| commit | 167c6b5ecee1c91867b4a92fcd472e3ddeaeffdc (patch) | |
| tree | f117241c2c73753d1aaacca65891638f6b94622b | |
| parent | 65af666713ffd275d6db3f086f80e070594c4732 (diff) | |
| download | lwn-167c6b5ecee1c91867b4a92fcd472e3ddeaeffdc.tar.gz lwn-167c6b5ecee1c91867b4a92fcd472e3ddeaeffdc.zip | |
irqchip: ixp4xx: Add DT bindings
This adds device tree bindings for the IXP4xx interrupt
controller. It's a standard 2-cell controller.
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml | 54 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
2 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml b/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml new file mode 100644 index 000000000000..bae10e261fa9 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2018 Linaro Ltd. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/interrupt/intel-ixp4xx-interrupt.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Intel IXP4xx XScale Networking Processors Interrupt Controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + This interrupt controller is found in the Intel IXP4xx processors. + Some processors have 32 interrupts, some have up to 64 interrupts. + The exact number of interrupts is determined from the compatible + string. + + The distinct IXP4xx families with different interrupt controller + variations are IXP42x, IXP43x, IXP45x and IXP46x. Those four + families were the only ones to reach the developer and consumer + market. + +properties: + compatible: + items: + - enum: + - intel,ixp42x-interrupt + - intel,ixp43x-interrupt + - intel,ixp45x-interrupt + - intel,ixp46x-interrupt + + reg: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + +required: + - compatible + - reg + - interrupt-controller + - '#interrupt-cells' + +examples: + - | + intcon: interrupt-controller@c8003000 { + compatible = "intel,ixp43x-interrupt"; + reg = <0xc8003000 0x100>; + interrupt-controller; + #interrupt-cells = <2>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index bc918f318797..ad05704fbd68 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1690,6 +1690,7 @@ M: Imre Kaloz <kaloz@openwrt.org> M: Krzysztof Halasa <khalasa@piap.pl> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +F: Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml F: arch/arm/mach-ixp4xx/ F: drivers/clocksource/timer-ixp4xx.c F: drivers/gpio/gpio-ixp4xx.c |