| 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/socionext,uniphier-pcie.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Socionext UniPhier PCIe host controller |
| 8 | |
| 9 | description: | |
| 10 | UniPhier PCIe host controller is based on the Synopsys DesignWare |
| 11 | PCI core. It shares common features with the PCIe DesignWare core and |
| 12 | inherits common properties defined in |
| 13 | Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml. |
| 14 | |
| 15 | maintainers: |
| 16 | - Kunihiko Hayashi <hayashi.kunihiko@socionext.com> |
| 17 | |
| 18 | allOf: |
| 19 | - $ref: /schemas/pci/snps,dw-pcie.yaml# |
| 20 | |
| 21 | properties: |
| 22 | compatible: |
| 23 | enum: |
| 24 | - socionext,uniphier-pcie |
| 25 | |
| 26 | reg: |
| 27 | minItems: 3 |
| 28 | maxItems: 4 |
| 29 | |
| 30 | reg-names: |
| 31 | minItems: 3 |
| 32 | items: |
| 33 | - const: dbi |
| 34 | - const: link |
| 35 | - const: config |
| 36 | - const: atu |
| 37 | |
| 38 | clocks: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | resets: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | num-viewport: true |
| 45 | |
| 46 | num-lanes: true |
| 47 | |
| 48 | phys: |
| 49 | maxItems: 1 |
| 50 | |
| 51 | phy-names: |
| 52 | const: pcie-phy |
| 53 | |
| 54 | interrupt-controller: |
| 55 | type: object |
| 56 | additionalProperties: false |
| 57 | |
| 58 | properties: |
| 59 | interrupt-controller: true |
| 60 | |
| 61 | '#interrupt-cells': |
| 62 | const: 1 |
| 63 | |
| 64 | interrupts: |
| 65 | maxItems: 1 |
| 66 | |
| 67 | required: |
| 68 | - compatible |
| 69 | - reg |
| 70 | - reg-names |
| 71 | - clocks |
| 72 | - resets |
| 73 | |
| 74 | unevaluatedProperties: false |
| 75 | |
| 76 | examples: |
| 77 | - | |
| 78 | bus { |
| 79 | gic: interrupt-controller { |
| 80 | interrupt-controller; |
| 81 | #interrupt-cells = <3>; |
| 82 | }; |
| 83 | }; |
| 84 | |
| 85 | pcie: pcie@66000000 { |
| 86 | compatible = "socionext,uniphier-pcie"; |
| 87 | reg-names = "dbi", "link", "config"; |
| 88 | reg = <0x66000000 0x1000>, <0x66010000 0x10000>, <0x2fff0000 0x10000>; |
| 89 | #address-cells = <3>; |
| 90 | #size-cells = <2>; |
| 91 | clocks = <&sys_clk 24>; |
| 92 | resets = <&sys_rst 24>; |
| 93 | num-lanes = <1>; |
| 94 | num-viewport = <1>; |
| 95 | bus-range = <0x0 0xff>; |
| 96 | device_type = "pci"; |
| 97 | ranges = <0x81000000 0 0x00000000 0x2ffe0000 0 0x00010000>, |
| 98 | <0x82000000 0 0x00000000 0x20000000 0 0x0ffe0000>; |
| 99 | phy-names = "pcie-phy"; |
| 100 | phys = <&pcie_phy>; |
| 101 | #interrupt-cells = <1>; |
| 102 | interrupt-names = "dma", "msi"; |
| 103 | interrupt-parent = <&gic>; |
| 104 | interrupts = <0 224 4>, <0 225 4>; |
| 105 | interrupt-map-mask = <0 0 0 7>; |
| 106 | interrupt-map = <0 0 0 1 &pcie_intc 0>, |
| 107 | <0 0 0 2 &pcie_intc 1>, |
| 108 | <0 0 0 3 &pcie_intc 2>, |
| 109 | <0 0 0 4 &pcie_intc 3>; |
| 110 | |
| 111 | pcie_intc: interrupt-controller { |
| 112 | interrupt-controller; |
| 113 | #interrupt-cells = <1>; |
| 114 | interrupt-parent = <&gic>; |
| 115 | interrupts = <0 226 4>; |
| 116 | }; |
| 117 | }; |