intel,ixp4xx-ahb-queue-manager.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 # Copyright 2019 Linaro Ltd.
    3 %YAML 1.2
    4 ---
    5 $id: "http://devicetree.org/schemas/misc/intel,ixp4xx-ahb-queue-manager.yaml#"
    6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    7 
    8 title: Intel IXP4xx AHB Queue Manager
    9 
   10 maintainers:
   11   - Linus Walleij <linus.walleij@linaro.org>
   12 
   13 description: |
   14   The IXP4xx AHB Queue Manager maintains queues as circular buffers in
   15   an 8KB embedded SRAM along with hardware pointers. It is used by both
   16   the XScale processor and the NPEs (Network Processing Units) in the
   17   IXP4xx for accelerating queues, especially for networking. Clients pick
   18   queues from the queue manager with foo-queue = <&qmgr N> where the
   19   &qmgr is a phandle to the queue manager and N is the queue resource
   20   number. The queue resources available and their specific purpose
   21   on a certain IXP4xx system will vary.
   22 
   23 properties:
   24   compatible:
   25     items:
   26       - const: intel,ixp4xx-ahb-queue-manager
   27 
   28   reg:
   29     maxItems: 1
   30 
   31   interrupts:
   32     items:
   33       - description: Interrupt for queues 0-31
   34       - description: Interrupt for queues 32-63
   35 
   36 required:
   37   - compatible
   38   - reg
   39   - interrupts
   40 
   41 additionalProperties: false
   42 
   43 examples:
   44   - |
   45     #include <dt-bindings/interrupt-controller/irq.h>
   46 
   47     qmgr: queue-manager@60000000 {
   48          compatible = "intel,ixp4xx-ahb-queue-manager";
   49          reg = <0x60000000 0x4000>;
   50          interrupts = <3 IRQ_TYPE_LEVEL_HIGH>, <4 IRQ_TYPE_LEVEL_HIGH>;
   51     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml

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sys/contrib/device-tree/Bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml