Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [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/usb/cdns,usb3.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
Krzysztof Kozlowski | 84e8535 | 2022-12-16 17:38:12 +0100 | [diff] [blame] | 7 | title: Cadence USBSS-DRD controller |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 8 | |
| 9 | maintainers: |
| 10 | - Pawel Laszczak <pawell@cadence.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | const: cdns,usb3 |
| 15 | |
| 16 | reg: |
| 17 | items: |
| 18 | - description: OTG controller registers |
| 19 | - description: XHCI Host controller registers |
| 20 | - description: DEVICE controller registers |
| 21 | |
| 22 | reg-names: |
| 23 | items: |
| 24 | - const: otg |
| 25 | - const: xhci |
| 26 | - const: dev |
| 27 | |
| 28 | interrupts: |
Peter Chen | 1bc514d | 2020-10-20 10:44:06 +0800 | [diff] [blame] | 29 | minItems: 3 |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 30 | items: |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 31 | - description: XHCI host controller interrupt |
| 32 | - description: Device controller interrupt |
Geert Uytterhoeven | 309f5d7 | 2021-05-27 21:39:52 +0200 | [diff] [blame] | 33 | - description: OTG/DRD controller interrupt |
Peter Chen | 1bc514d | 2020-10-20 10:44:06 +0800 | [diff] [blame] | 34 | - description: interrupt used to wake up core, e.g when usbcmd.rs is |
| 35 | cleared by xhci core, this interrupt is optional |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 36 | |
| 37 | interrupt-names: |
Peter Chen | 1bc514d | 2020-10-20 10:44:06 +0800 | [diff] [blame] | 38 | minItems: 3 |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 39 | items: |
| 40 | - const: host |
| 41 | - const: peripheral |
| 42 | - const: otg |
Peter Chen | 1bc514d | 2020-10-20 10:44:06 +0800 | [diff] [blame] | 43 | - const: wakeup |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 44 | |
Frank Li | 1899e79 | 2024-06-07 11:41:19 -0400 | [diff] [blame] | 45 | port: |
| 46 | $ref: /schemas/graph.yaml#/properties/port |
| 47 | description: |
| 48 | This port is used with the 'usb-role-switch' property to connect the |
| 49 | cdns3 to type C connector. |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 50 | |
| 51 | maximum-speed: |
| 52 | enum: [super-speed, high-speed, full-speed] |
| 53 | |
| 54 | phys: |
Rob Herring | 6ad8838 | 2020-04-20 21:24:47 -0500 | [diff] [blame] | 55 | minItems: 1 |
| 56 | maxItems: 2 |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 57 | |
| 58 | phy-names: |
| 59 | minItems: 1 |
| 60 | maxItems: 2 |
| 61 | items: |
| 62 | anyOf: |
| 63 | - const: cdns3,usb2-phy |
| 64 | - const: cdns3,usb3-phy |
| 65 | |
| 66 | cdns,on-chip-buff-size: |
| 67 | description: |
| 68 | size of memory intended as internal memory for endpoints |
| 69 | buffers expressed in KB |
Frank Li | 50a1726 | 2023-05-15 12:20:52 -0400 | [diff] [blame] | 70 | $ref: /schemas/types.yaml#/definitions/uint16 |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 71 | |
Roger Quadros | 5261e48f | 2020-09-15 14:45:42 +0300 | [diff] [blame] | 72 | cdns,phyrst-a-enable: |
| 73 | description: Enable resetting of PHY if Rx fail is detected |
| 74 | type: boolean |
| 75 | |
Frank Li | 1899e79 | 2024-06-07 11:41:19 -0400 | [diff] [blame] | 76 | dependencies: |
| 77 | port: [ usb-role-switch ] |
| 78 | |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 79 | required: |
| 80 | - compatible |
| 81 | - reg |
| 82 | - reg-names |
| 83 | - interrupts |
Aswath Govindraju | ab1150e | 2021-05-28 11:36:57 +0530 | [diff] [blame] | 84 | - interrupt-names |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 85 | |
Frank Li | 1899e79 | 2024-06-07 11:41:19 -0400 | [diff] [blame] | 86 | allOf: |
| 87 | - $ref: usb-drd.yaml# |
| 88 | |
| 89 | unevaluatedProperties: false |
Roger Quadros | 68989fe | 2020-09-15 14:45:41 +0300 | [diff] [blame] | 90 | |
| 91 | examples: |
| 92 | - | |
| 93 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 94 | bus { |
| 95 | #address-cells = <2>; |
| 96 | #size-cells = <2>; |
| 97 | |
| 98 | usb@6000000 { |
| 99 | compatible = "cdns,usb3"; |
| 100 | reg = <0x00 0x6000000 0x00 0x10000>, |
| 101 | <0x00 0x6010000 0x00 0x10000>, |
| 102 | <0x00 0x6020000 0x00 0x10000>; |
| 103 | reg-names = "otg", "xhci", "dev"; |
| 104 | interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, |
| 105 | <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>, |
| 106 | <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; |
| 107 | interrupt-names = "host", "peripheral", "otg"; |
| 108 | maximum-speed = "super-speed"; |
| 109 | dr_mode = "otg"; |
| 110 | }; |
| 111 | }; |