| 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 | # Copyright (C) 2022-2023 Renesas Electronics Corp. |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/pci/rcar-gen4-pci-ep.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: Renesas R-Car Gen4 PCIe Endpoint |
| 9 | |
| 10 | maintainers: |
| 11 | - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| 12 | |
| 13 | allOf: |
| 14 | - $ref: snps,dw-pcie-ep.yaml# |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | items: |
| 19 | - const: renesas,r8a779f0-pcie-ep # R-Car S4-8 |
| 20 | - const: renesas,rcar-gen4-pcie-ep # R-Car Gen4 |
| 21 | |
| 22 | reg: |
| 23 | maxItems: 7 |
| 24 | |
| 25 | reg-names: |
| 26 | items: |
| 27 | - const: dbi |
| 28 | - const: dbi2 |
| 29 | - const: atu |
| 30 | - const: dma |
| 31 | - const: app |
| 32 | - const: phy |
| 33 | - const: addr_space |
| 34 | |
| 35 | interrupts: |
| 36 | maxItems: 3 |
| 37 | |
| 38 | interrupt-names: |
| 39 | items: |
| 40 | - const: dma |
| 41 | - const: sft_ce |
| 42 | - const: app |
| 43 | |
| 44 | clocks: |
| 45 | maxItems: 2 |
| 46 | |
| 47 | clock-names: |
| 48 | items: |
| 49 | - const: core |
| 50 | - const: ref |
| 51 | |
| 52 | power-domains: |
| 53 | maxItems: 1 |
| 54 | |
| 55 | resets: |
| 56 | maxItems: 1 |
| 57 | |
| 58 | reset-names: |
| 59 | items: |
| 60 | - const: pwr |
| 61 | |
| 62 | max-link-speed: |
| 63 | maximum: 4 |
| 64 | |
| 65 | num-lanes: |
| 66 | maximum: 4 |
| 67 | |
| 68 | max-functions: |
| 69 | maximum: 2 |
| 70 | |
| 71 | required: |
| 72 | - compatible |
| 73 | - reg |
| 74 | - reg-names |
| 75 | - interrupts |
| 76 | - interrupt-names |
| 77 | - clocks |
| 78 | - clock-names |
| 79 | - power-domains |
| 80 | - resets |
| 81 | - reset-names |
| 82 | |
| 83 | unevaluatedProperties: false |
| 84 | |
| 85 | examples: |
| 86 | - | |
| 87 | #include <dt-bindings/clock/r8a779f0-cpg-mssr.h> |
| 88 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 89 | #include <dt-bindings/power/r8a779f0-sysc.h> |
| 90 | |
| 91 | soc { |
| 92 | #address-cells = <2>; |
| 93 | #size-cells = <2>; |
| 94 | |
| 95 | pcie0_ep: pcie-ep@e65d0000 { |
| 96 | compatible = "renesas,r8a779f0-pcie-ep", "renesas,rcar-gen4-pcie-ep"; |
| 97 | reg = <0 0xe65d0000 0 0x2000>, <0 0xe65d2000 0 0x1000>, |
| 98 | <0 0xe65d3000 0 0x2000>, <0 0xe65d5000 0 0x1200>, |
| 99 | <0 0xe65d6200 0 0x0e00>, <0 0xe65d7000 0 0x0400>, |
| 100 | <0 0xfe000000 0 0x400000>; |
| 101 | reg-names = "dbi", "dbi2", "atu", "dma", "app", "phy", "addr_space"; |
| 102 | interrupts = <GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH>, |
| 103 | <GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH>, |
| 104 | <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>; |
| 105 | interrupt-names = "dma", "sft_ce", "app"; |
| 106 | clocks = <&cpg CPG_MOD 624>, <&pcie0_clkref>; |
| 107 | clock-names = "core", "ref"; |
| 108 | power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; |
| 109 | resets = <&cpg 624>; |
| 110 | reset-names = "pwr"; |
| 111 | max-link-speed = <4>; |
| 112 | num-lanes = <2>; |
| 113 | max-functions = /bits/ 8 <2>; |
| 114 | }; |
| 115 | }; |