| 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/onnn,nb7vpq904m.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: ON Semiconductor Type-C DisplayPort ALT Mode Linear Redriver |
| 8 | |
| 9 | maintainers: |
| 10 | - Neil Armstrong <neil.armstrong@linaro.org> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | enum: |
| 15 | - onnn,nb7vpq904m |
| 16 | |
| 17 | reg: |
| 18 | maxItems: 1 |
| 19 | |
| 20 | vcc-supply: |
| 21 | description: power supply (1.8V) |
| 22 | |
| 23 | enable-gpios: true |
| 24 | |
| 25 | retimer-switch: |
| 26 | description: Flag the port as possible handle of SuperSpeed signals retiming |
| 27 | type: boolean |
| 28 | |
| 29 | orientation-switch: |
| 30 | description: Flag the port as possible handler of orientation switching |
| 31 | type: boolean |
| 32 | |
| 33 | ports: |
| 34 | $ref: /schemas/graph.yaml#/properties/ports |
| 35 | properties: |
| 36 | port@0: |
| 37 | $ref: /schemas/graph.yaml#/properties/port |
| 38 | description: Super Speed (SS) Output endpoint to the Type-C connector |
| 39 | |
| 40 | port@1: |
| 41 | $ref: /schemas/graph.yaml#/$defs/port-base |
| 42 | description: Super Speed (SS) Input endpoint from the Super-Speed PHY |
| 43 | unevaluatedProperties: false |
| 44 | |
| 45 | properties: |
| 46 | endpoint: |
| 47 | $ref: /schemas/graph.yaml#/$defs/endpoint-base |
| 48 | unevaluatedProperties: false |
| 49 | |
| 50 | properties: |
| 51 | data-lanes: |
| 52 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 53 | description: | |
| 54 | An array of physical data lane indexes. Position determines how |
| 55 | lanes are connected to the redriver, It is assumed the same order |
| 56 | is kept on the other side of the redriver. |
| 57 | Lane number represents the following |
| 58 | - 0 is RX2 lane |
| 59 | - 1 is TX2 lane |
| 60 | - 2 is TX1 lane |
| 61 | - 3 is RX1 lane |
| 62 | The position determines the physical port of the redriver, in the |
| 63 | order A, B, C & D. |
| 64 | oneOf: |
| 65 | - items: |
| 66 | - const: 0 |
| 67 | - const: 1 |
| 68 | - const: 2 |
| 69 | - const: 3 |
| 70 | description: | |
| 71 | This is the lanes default layout |
| 72 | - Port A to RX2 lane |
| 73 | - Port B to TX2 lane |
| 74 | - Port C to TX1 lane |
| 75 | - Port D to RX1 lane |
| 76 | - items: |
| 77 | - const: 3 |
| 78 | - const: 2 |
| 79 | - const: 1 |
| 80 | - const: 0 |
| 81 | description: | |
| 82 | This is the USBRX2/USBTX2 and USBRX1/USBTX1 swapped lanes layout |
| 83 | - Port A to RX1 lane |
| 84 | - Port B to TX1 lane |
| 85 | - Port C to TX2 lane |
| 86 | - Port D to RX2 lane |
| 87 | |
| 88 | port@2: |
| 89 | $ref: /schemas/graph.yaml#/properties/port |
| 90 | description: |
| 91 | Sideband Use (SBU) AUX lines endpoint to the Type-C connector for the purpose of |
| 92 | handling altmode muxing and orientation switching. |
| 93 | |
| 94 | required: |
| 95 | - compatible |
| 96 | - reg |
| 97 | |
| 98 | additionalProperties: false |
| 99 | |
| 100 | examples: |
| 101 | - | |
| 102 | i2c { |
| 103 | #address-cells = <1>; |
| 104 | #size-cells = <0>; |
| 105 | |
| 106 | typec-mux@32 { |
| 107 | compatible = "onnn,nb7vpq904m"; |
| 108 | reg = <0x32>; |
| 109 | |
| 110 | vcc-supply = <&vreg_l15b_1p8>; |
| 111 | |
| 112 | retimer-switch; |
| 113 | orientation-switch; |
| 114 | |
| 115 | ports { |
| 116 | #address-cells = <1>; |
| 117 | #size-cells = <0>; |
| 118 | |
| 119 | port@0 { |
| 120 | reg = <0>; |
| 121 | usb_con_ss: endpoint { |
| 122 | remote-endpoint = <&typec_con_ss>; |
| 123 | }; |
| 124 | }; |
| 125 | port@1 { |
| 126 | reg = <1>; |
| 127 | phy_con_ss: endpoint { |
| 128 | remote-endpoint = <&usb_phy_ss>; |
| 129 | data-lanes = <3 2 1 0>; |
| 130 | }; |
| 131 | }; |
| 132 | port@2 { |
| 133 | reg = <2>; |
| 134 | usb_con_sbu: endpoint { |
| 135 | remote-endpoint = <&typec_dp_aux>; |
| 136 | }; |
| 137 | }; |
| 138 | }; |
| 139 | }; |
| 140 | }; |
| 141 | ... |