| 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/usb/cdns,usb3.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Cadence USBSS-DRD controller |
| 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: |
| 29 | minItems: 3 |
| 30 | items: |
| 31 | - description: XHCI host controller interrupt |
| 32 | - description: Device controller interrupt |
| 33 | - description: OTG/DRD controller interrupt |
| 34 | - description: interrupt used to wake up core, e.g when usbcmd.rs is |
| 35 | cleared by xhci core, this interrupt is optional |
| 36 | |
| 37 | interrupt-names: |
| 38 | minItems: 3 |
| 39 | items: |
| 40 | - const: host |
| 41 | - const: peripheral |
| 42 | - const: otg |
| 43 | - const: wakeup |
| 44 | |
| 45 | dr_mode: |
| 46 | enum: [host, otg, peripheral] |
| 47 | |
| 48 | maximum-speed: |
| 49 | enum: [super-speed, high-speed, full-speed] |
| 50 | |
| 51 | phys: |
| 52 | minItems: 1 |
| 53 | maxItems: 2 |
| 54 | |
| 55 | phy-names: |
| 56 | minItems: 1 |
| 57 | maxItems: 2 |
| 58 | items: |
| 59 | anyOf: |
| 60 | - const: cdns3,usb2-phy |
| 61 | - const: cdns3,usb3-phy |
| 62 | |
| 63 | cdns,on-chip-buff-size: |
| 64 | description: |
| 65 | size of memory intended as internal memory for endpoints |
| 66 | buffers expressed in KB |
| 67 | $ref: /schemas/types.yaml#/definitions/uint16 |
| 68 | |
| 69 | cdns,phyrst-a-enable: |
| 70 | description: Enable resetting of PHY if Rx fail is detected |
| 71 | type: boolean |
| 72 | |
| 73 | required: |
| 74 | - compatible |
| 75 | - reg |
| 76 | - reg-names |
| 77 | - interrupts |
| 78 | - interrupt-names |
| 79 | |
| 80 | additionalProperties: false |
| 81 | |
| 82 | examples: |
| 83 | - | |
| 84 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 85 | bus { |
| 86 | #address-cells = <2>; |
| 87 | #size-cells = <2>; |
| 88 | |
| 89 | usb@6000000 { |
| 90 | compatible = "cdns,usb3"; |
| 91 | reg = <0x00 0x6000000 0x00 0x10000>, |
| 92 | <0x00 0x6010000 0x00 0x10000>, |
| 93 | <0x00 0x6020000 0x00 0x10000>; |
| 94 | reg-names = "otg", "xhci", "dev"; |
| 95 | interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, |
| 96 | <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>, |
| 97 | <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; |
| 98 | interrupt-names = "host", "peripheral", "otg"; |
| 99 | maximum-speed = "super-speed"; |
| 100 | dr_mode = "otg"; |
| 101 | }; |
| 102 | }; |