142 lines
4.1 KiB
YAML
142 lines
4.1 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/onnn,nb7vpq904m.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ON Semiconductor Type-C DisplayPort ALT Mode Linear Redriver
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maintainers:
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- Neil Armstrong <neil.armstrong@linaro.org>
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properties:
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compatible:
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enum:
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- onnn,nb7vpq904m
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reg:
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maxItems: 1
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vcc-supply:
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description: power supply (1.8V)
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enable-gpios: true
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retimer-switch:
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description: Flag the port as possible handle of SuperSpeed signals retiming
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type: boolean
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orientation-switch:
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description: Flag the port as possible handler of orientation switching
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type: boolean
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/properties/port
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description: Super Speed (SS) Output endpoint to the Type-C connector
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port@1:
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$ref: /schemas/graph.yaml#/$defs/port-base
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description: Super Speed (SS) Input endpoint from the Super-Speed PHY
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unevaluatedProperties: false
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properties:
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endpoint:
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$ref: /schemas/graph.yaml#/$defs/endpoint-base
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unevaluatedProperties: false
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properties:
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data-lanes:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description: |
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An array of physical data lane indexes. Position determines how
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lanes are connected to the redriver, It is assumed the same order
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is kept on the other side of the redriver.
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Lane number represents the following
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- 0 is RX2 lane
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- 1 is TX2 lane
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- 2 is TX1 lane
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- 3 is RX1 lane
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The position determines the physical port of the redriver, in the
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order A, B, C & D.
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oneOf:
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- items:
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- const: 0
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- const: 1
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- const: 2
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- const: 3
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description: |
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This is the lanes default layout
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- Port A to RX2 lane
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- Port B to TX2 lane
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- Port C to TX1 lane
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- Port D to RX1 lane
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- items:
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- const: 3
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- const: 2
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- const: 1
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- const: 0
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description: |
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This is the USBRX2/USBTX2 and USBRX1/USBTX1 swapped lanes layout
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- Port A to RX1 lane
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- Port B to TX1 lane
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- Port C to TX2 lane
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- Port D to RX2 lane
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port@2:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Sideband Use (SBU) AUX lines endpoint to the Type-C connector for the purpose of
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handling altmode muxing and orientation switching.
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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typec-mux@32 {
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compatible = "onnn,nb7vpq904m";
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reg = <0x32>;
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vcc-supply = <&vreg_l15b_1p8>;
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retimer-switch;
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orientation-switch;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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usb_con_ss: endpoint {
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remote-endpoint = <&typec_con_ss>;
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};
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};
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port@1 {
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reg = <1>;
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phy_con_ss: endpoint {
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remote-endpoint = <&usb_phy_ss>;
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data-lanes = <3 2 1 0>;
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};
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};
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port@2 {
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reg = <2>;
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usb_con_sbu: endpoint {
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remote-endpoint = <&typec_dp_aux>;
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};
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};
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};
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};
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};
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...
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