Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/usb/renesas,usb3-peri.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas USB 3.0 Peripheral controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | oneOf: |
| 15 | - items: |
| 16 | - enum: |
| 17 | - renesas,r8a774a1-usb3-peri # RZ/G2M |
| 18 | - renesas,r8a774b1-usb3-peri # RZ/G2N |
| 19 | - renesas,r8a774c0-usb3-peri # RZ/G2E |
| 20 | - renesas,r8a774e1-usb3-peri # RZ/G2H |
| 21 | - renesas,r8a7795-usb3-peri # R-Car H3 |
| 22 | - renesas,r8a7796-usb3-peri # R-Car M3-W |
| 23 | - renesas,r8a77961-usb3-peri # R-Car M3-W+ |
| 24 | - renesas,r8a77965-usb3-peri # R-Car M3-N |
| 25 | - renesas,r8a77990-usb3-peri # R-Car E3 |
| 26 | - const: renesas,rcar-gen3-usb3-peri |
| 27 | |
| 28 | - items: |
| 29 | - enum: |
| 30 | - renesas,r9a09g011-usb3-peri # RZ/V2M |
| 31 | - renesas,r9a09g055-usb3-peri # RZ/V2MA |
| 32 | - const: renesas,rzv2m-usb3-peri |
| 33 | |
| 34 | reg: |
| 35 | maxItems: 1 |
| 36 | |
| 37 | interrupts: |
| 38 | maxItems: 1 |
| 39 | |
| 40 | clocks: |
| 41 | minItems: 1 |
| 42 | items: |
| 43 | - description: Main clock |
| 44 | - description: Register access clock |
| 45 | |
| 46 | clock-names: |
| 47 | minItems: 1 |
| 48 | items: |
| 49 | - const: axi |
| 50 | - const: reg |
| 51 | |
| 52 | phys: |
| 53 | maxItems: 1 |
| 54 | |
| 55 | phy-names: |
| 56 | const: usb |
| 57 | |
| 58 | power-domains: |
| 59 | maxItems: 1 |
| 60 | |
| 61 | resets: |
| 62 | maxItems: 1 |
| 63 | |
| 64 | usb-role-switch: |
| 65 | $ref: /schemas/types.yaml#/definitions/flag |
| 66 | description: Support role switch. |
| 67 | |
| 68 | companion: |
| 69 | $ref: /schemas/types.yaml#/definitions/phandle |
| 70 | description: phandle of a companion. |
| 71 | |
| 72 | ports: |
| 73 | $ref: /schemas/graph.yaml#/properties/ports |
| 74 | description: | |
| 75 | any connector to the data bus of this controller should be modelled |
| 76 | using the OF graph bindings specified, if the "usb-role-switch" |
| 77 | property is used. |
| 78 | |
| 79 | properties: |
| 80 | port@0: |
| 81 | $ref: /schemas/graph.yaml#/properties/port |
| 82 | description: High Speed (HS) data bus. |
| 83 | |
| 84 | port@1: |
| 85 | $ref: /schemas/graph.yaml#/properties/port |
| 86 | description: Super Speed (SS) data bus. |
| 87 | |
| 88 | required: |
| 89 | - port@0 |
| 90 | - port@1 |
| 91 | |
| 92 | required: |
| 93 | - compatible |
| 94 | - interrupts |
| 95 | - clocks |
| 96 | |
| 97 | allOf: |
| 98 | - if: |
| 99 | properties: |
| 100 | compatible: |
| 101 | contains: |
| 102 | enum: |
| 103 | - renesas,rzv2m-usb3-peri |
| 104 | then: |
| 105 | properties: |
| 106 | clocks: |
| 107 | minItems: 2 |
| 108 | clock-names: |
| 109 | minItems: 2 |
| 110 | required: |
| 111 | - clock-names |
| 112 | - resets |
| 113 | else: |
| 114 | properties: |
| 115 | clocks: |
| 116 | maxItems: 1 |
| 117 | |
| 118 | additionalProperties: false |
| 119 | |
| 120 | examples: |
| 121 | - | |
| 122 | #include <dt-bindings/clock/r8a774c0-cpg-mssr.h> |
| 123 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 124 | #include <dt-bindings/power/r8a774c0-sysc.h> |
| 125 | |
| 126 | usb3_peri0: usb@ee020000 { |
| 127 | compatible = "renesas,r8a774c0-usb3-peri", "renesas,rcar-gen3-usb3-peri"; |
| 128 | reg = <0xee020000 0x400>; |
| 129 | interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>; |
| 130 | clocks = <&cpg CPG_MOD 328>; |
| 131 | companion = <&xhci0>; |
| 132 | usb-role-switch; |
| 133 | |
| 134 | ports { |
| 135 | #address-cells = <1>; |
| 136 | #size-cells = <0>; |
| 137 | port@0 { |
| 138 | reg = <0>; |
| 139 | usb3_hs_ep: endpoint { |
| 140 | remote-endpoint = <&hs_ep>; |
| 141 | }; |
| 142 | }; |
| 143 | port@1 { |
| 144 | reg = <1>; |
| 145 | usb3_role_switch: endpoint { |
| 146 | remote-endpoint = <&hd3ss3220_out_ep>; |
| 147 | }; |
| 148 | }; |
| 149 | }; |
| 150 | }; |