| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/phy/marvell,armada-cp110-utmi-phy.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: Marvell Armada CP110/CP115 UTMI PHY |
| 9 | |
| 10 | maintainers: |
| 11 | - Konstantin Porotchkin <kostap@marvell.com> |
| 12 | |
| 13 | description: |
| 14 | On Armada 7k/8k and CN913x, there are two host and one device USB controllers. |
| 15 | Each of two exiting UTMI PHYs could be connected to either USB host or USB device |
| 16 | controller. |
| 17 | The USB device controller can only be connected to a single UTMI PHY port |
| 18 | 0.H----- USB HOST0 |
| 19 | UTMI PHY0 --------/ |
| 20 | 0.D-----0 |
| 21 | \------ USB DEVICE |
| 22 | 1.D-----1 |
| 23 | UTMI PHY1 --------\ |
| 24 | 1.H----- USB HOST1 |
| 25 | |
| 26 | properties: |
| 27 | compatible: |
| 28 | const: marvell,cp110-utmi-phy |
| 29 | |
| 30 | reg: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | "#address-cells": |
| 34 | const: 1 |
| 35 | |
| 36 | "#size-cells": |
| 37 | const: 0 |
| 38 | |
| 39 | marvell,system-controller: |
| 40 | description: |
| 41 | Phandle to the system controller node |
| 42 | $ref: /schemas/types.yaml#/definitions/phandle |
| 43 | |
| 44 | # Required child nodes: |
| 45 | |
| 46 | patternProperties: |
| 47 | "^usb-phy@[0|1]$": |
| 48 | type: object |
| 49 | description: |
| 50 | Each UTMI PHY port must be represented as a sub-node. |
| 51 | |
| 52 | properties: |
| 53 | reg: |
| 54 | description: phy port index. |
| 55 | maxItems: 1 |
| 56 | |
| 57 | "#phy-cells": |
| 58 | const: 0 |
| 59 | |
| 60 | required: |
| 61 | - reg |
| 62 | - "#phy-cells" |
| 63 | |
| 64 | additionalProperties: false |
| 65 | |
| 66 | required: |
| 67 | - compatible |
| 68 | - reg |
| 69 | - "#address-cells" |
| 70 | - "#size-cells" |
| 71 | - marvell,system-controller |
| 72 | |
| 73 | additionalProperties: false |
| 74 | |
| 75 | examples: |
| 76 | - | |
| 77 | cp0_utmi: utmi@580000 { |
| 78 | compatible = "marvell,cp110-utmi-phy"; |
| 79 | reg = <0x580000 0x2000>; |
| 80 | marvell,system-controller = <&cp0_syscon0>; |
| 81 | #address-cells = <1>; |
| 82 | #size-cells = <0>; |
| 83 | |
| 84 | cp0_utmi0: usb-phy@0 { |
| 85 | reg = <0>; |
| 86 | #phy-cells = <0>; |
| 87 | }; |
| 88 | |
| 89 | cp0_utmi1: usb-phy@1 { |
| 90 | reg = <1>; |
| 91 | #phy-cells = <0>; |
| 92 | }; |
| 93 | }; |
| 94 | |
| 95 | cp0_usb3_0 { |
| 96 | usb-phy = <&cp0_usb3_0_phy0>; |
| 97 | phys = <&cp0_utmi0>; |
| 98 | phy-names = "utmi"; |
| 99 | /* UTMI0 is connected to USB host controller (default mode) */ |
| 100 | dr_mode = "host"; |
| 101 | }; |
| 102 | |
| 103 | cp0_usb3_1 { |
| 104 | usb-phy = <&cp0_usb3_0_phy1>; |
| 105 | phys = <&cp0_utmi1>; |
| 106 | phy-names = "utmi"; |
| 107 | /* UTMI1 is connected to USB device controller */ |
| 108 | dr_mode = "peripheral"; |
| 109 | }; |