| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/pci/versatile.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: ARM Versatile Platform Baseboard PCI interface |
| 8 | |
| 9 | maintainers: |
| 10 | - Rob Herring <robh@kernel.org> |
| 11 | |
| 12 | description: |+ |
| 13 | PCI host controller found on the ARM Versatile PB board's FPGA. |
| 14 | |
| 15 | allOf: |
| 16 | - $ref: /schemas/pci/pci-bus.yaml# |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | const: arm,versatile-pci |
| 21 | |
| 22 | reg: |
| 23 | items: |
| 24 | - description: Versatile-specific registers |
| 25 | - description: Self Config space |
| 26 | - description: Config space |
| 27 | |
| 28 | ranges: |
| 29 | maxItems: 3 |
| 30 | |
| 31 | "#interrupt-cells": true |
| 32 | |
| 33 | interrupt-map: |
| 34 | maxItems: 16 |
| 35 | |
| 36 | interrupt-map-mask: |
| 37 | items: |
| 38 | - const: 0x1800 |
| 39 | - const: 0 |
| 40 | - const: 0 |
| 41 | - const: 7 |
| 42 | |
| 43 | required: |
| 44 | - compatible |
| 45 | - reg |
| 46 | - ranges |
| 47 | - "#interrupt-cells" |
| 48 | - interrupt-map |
| 49 | - interrupt-map-mask |
| 50 | |
| 51 | unevaluatedProperties: false |
| 52 | |
| 53 | examples: |
| 54 | - | |
| 55 | pci@10001000 { |
| 56 | compatible = "arm,versatile-pci"; |
| 57 | device_type = "pci"; |
| 58 | reg = <0x10001000 0x1000>, |
| 59 | <0x41000000 0x10000>, |
| 60 | <0x42000000 0x100000>; |
| 61 | bus-range = <0 0xff>; |
| 62 | #address-cells = <3>; |
| 63 | #size-cells = <2>; |
| 64 | #interrupt-cells = <1>; |
| 65 | |
| 66 | ranges = |
| 67 | <0x01000000 0 0x00000000 0x43000000 0 0x00010000>, /* downstream I/O */ |
| 68 | <0x02000000 0 0x50000000 0x50000000 0 0x10000000>, /* non-prefetchable memory */ |
| 69 | <0x42000000 0 0x60000000 0x60000000 0 0x10000000>; /* prefetchable memory */ |
| 70 | |
| 71 | interrupt-map-mask = <0x1800 0 0 7>; |
| 72 | interrupt-map = <0x1800 0 0 1 &sic 28>, |
| 73 | <0x1800 0 0 2 &sic 29>, |
| 74 | <0x1800 0 0 3 &sic 30>, |
| 75 | <0x1800 0 0 4 &sic 27>, |
| 76 | |
| 77 | <0x1000 0 0 1 &sic 27>, |
| 78 | <0x1000 0 0 2 &sic 28>, |
| 79 | <0x1000 0 0 3 &sic 29>, |
| 80 | <0x1000 0 0 4 &sic 30>, |
| 81 | |
| 82 | <0x0800 0 0 1 &sic 30>, |
| 83 | <0x0800 0 0 2 &sic 27>, |
| 84 | <0x0800 0 0 3 &sic 28>, |
| 85 | <0x0800 0 0 4 &sic 29>, |
| 86 | |
| 87 | <0x0000 0 0 1 &sic 29>, |
| 88 | <0x0000 0 0 2 &sic 30>, |
| 89 | <0x0000 0 0 3 &sic 27>, |
| 90 | <0x0000 0 0 4 &sic 28>; |
| 91 | }; |
| 92 | |
| 93 | |
| 94 | ... |