intel,ixp4xx-pci.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pci/intel,ixp4xx-pci.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Intel IXP4xx PCI controller
    8 
    9 maintainers:
   10   - Linus Walleij <linus.walleij@linaro.org>
   11 
   12 description: PCI host controller found in the Intel IXP4xx SoC series.
   13 
   14 allOf:
   15   - $ref: /schemas/pci/pci-bus.yaml#
   16 
   17 properties:
   18   compatible:
   19     items:
   20       - enum:
   21           - intel,ixp42x-pci
   22           - intel,ixp43x-pci
   23     description: The two supported variants are ixp42x and ixp43x,
   24       though more variants may exist.
   25 
   26   reg:
   27     items:
   28       - description: IXP4xx-specific registers
   29 
   30   interrupts:
   31     items:
   32       - description: Main PCI interrupt
   33       - description: PCI DMA interrupt 1
   34       - description: PCI DMA interrupt 2
   35 
   36   ranges:
   37     maxItems: 2
   38     description: Typically one memory range of 64MB and one IO
   39       space range of 64KB.
   40 
   41   dma-ranges:
   42     maxItems: 1
   43     description: The DMA range tells the PCI host which addresses
   44       the RAM is at. It can map only 64MB so if the RAM is bigger
   45       than 64MB the DMA access has to be restricted to these
   46       addresses.
   47 
   48   "#interrupt-cells": true
   49 
   50   interrupt-map: true
   51 
   52   interrupt-map-mask:
   53     items:
   54       - const: 0xf800
   55       - const: 0
   56       - const: 0
   57       - const: 7
   58 
   59 required:
   60   - compatible
   61   - reg
   62   - dma-ranges
   63   - "#interrupt-cells"
   64   - interrupt-map
   65   - interrupt-map-mask
   66 
   67 unevaluatedProperties: false
   68 
   69 examples:
   70   - |
   71     pci@c0000000 {
   72       compatible = "intel,ixp43x-pci";
   73       reg = <0xc0000000 0x1000>;
   74       #address-cells = <3>;
   75       #size-cells = <2>;
   76       device_type = "pci";
   77       bus-range = <0x00 0xff>;
   78 
   79       ranges =
   80         <0x02000000 0 0x48000000 0x48000000 0 0x04000000>,
   81         <0x01000000 0 0x00000000 0x4c000000 0 0x00010000>;
   82       dma-ranges =
   83         <0x02000000 0 0x00000000 0x00000000 0 0x04000000>;
   84 
   85       #interrupt-cells = <1>;
   86       interrupt-map-mask = <0xf800 0 0 7>;
   87       interrupt-map =
   88         <0x0800 0 0 1 &gpio0 11 3>, /* INT A on slot 1 is irq 11 */
   89         <0x0800 0 0 2 &gpio0 10 3>, /* INT B on slot 1 is irq 10 */
   90         <0x0800 0 0 3 &gpio0 9  3>, /* INT C on slot 1 is irq 9 */
   91         <0x0800 0 0 4 &gpio0 8  3>, /* INT D on slot 1 is irq 8 */
   92         <0x1000 0 0 1 &gpio0 10 3>, /* INT A on slot 2 is irq 10 */
   93         <0x1000 0 0 2 &gpio0 9  3>, /* INT B on slot 2 is irq 9 */
   94         <0x1000 0 0 3 &gpio0 8  3>, /* INT C on slot 2 is irq 8 */
   95         <0x1000 0 0 4 &gpio0 11 3>, /* INT D on slot 2 is irq 11 */
   96         <0x1800 0 0 1 &gpio0 9  3>, /* INT A on slot 3 is irq 9 */
   97         <0x1800 0 0 2 &gpio0 8  3>, /* INT B on slot 3 is irq 8 */
   98         <0x1800 0 0 3 &gpio0 11 3>, /* INT C on slot 3 is irq 11 */
   99         <0x1800 0 0 4 &gpio0 10 3>; /* INT D on slot 3 is irq 10 */
  100     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pci/intel,ixp4xx-pci.yaml

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sys/contrib/device-tree/Bindings/pci/intel,ixp4xx-pci.yaml