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915360a5ce
Document bindings for this Type-C USB 3.1 Gen 1 and DisplayPort v1.2 combo redriver. The PTN36502 can also run in GPIO mode where it is configured differently, without any I2C connection, but this is not supported yet. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com> Link: https://lore.kernel.org/r/20231020-ptn36502-v2-1-b37a337d463e@fairphone.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
94 lines
2.3 KiB
YAML
94 lines
2.3 KiB
YAML
# 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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$id: http://devicetree.org/schemas/usb/nxp,ptn36502.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP PTN36502 Type-C USB 3.1 Gen 1 and DisplayPort v1.2 combo redriver
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maintainers:
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- Luca Weiss <luca.weiss@fairphone.com>
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properties:
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compatible:
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enum:
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- nxp,ptn36502
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reg:
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maxItems: 1
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vdd18-supply:
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description: Power supply for VDD18 pin
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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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$ref: /schemas/graph.yaml#/properties/port
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description: Super Speed (SS) Input endpoint from the Super-Speed PHY
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port@2:
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$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@1a {
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compatible = "nxp,ptn36502";
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reg = <0x1a>;
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vdd18-supply = <&usb_redrive_1v8>;
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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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};
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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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