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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/parade,ps8830.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Parade PS8830 USB and DisplayPort Retimer
+
+maintainers:
+ - Abel Vesa <abel.vesa@linaro.org>
+
+properties:
+ compatible:
+ enum:
+ - parade,ps8830
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: XO Clock
+
+ clock-names:
+ items:
+ - const: xo
+
+ reset-gpios:
+ maxItems: 1
+
+ vdd15-supply:
+ description: power supply (1.5V)
+
+ vdd18-supply:
+ description: power supply (1.8V)
+
+ vdd33-supply:
+ description: power supply (3.3V)
+
+ orientation-switch: true
+ retimer-switch: true
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Super Speed (SS) Output endpoint to the Type-C connector
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ description: Super Speed (SS) Input endpoint from the Super-Speed PHY
+ unevaluatedProperties: false
+
+ port@2:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Sideband Use (SBU) AUX lines endpoint to the Type-C connector for the purpose of
+ handling altmode muxing and orientation switching.
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: usb-switch.yaml#
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ typec-mux@8 {
+ compatible = "parade,ps8830";
+ reg = <0x8>;
+
+ vdd15-supply = <&vreg_rtmr_1p15>;
+ vdd18-supply = <&vreg_rtmr_1p8>;
+ vdd33-supply = <&vreg_rtmr_3p3>;
+
+ reset-gpios = <&pm8550_gpios 10 GPIO_ACTIVE_HIGH>;
+
+ retimer-switch;
+ orientation-switch;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ usb_con_ss: endpoint {
+ remote-endpoint = <&typec_con_ss>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ phy_con_ss: endpoint {
+ remote-endpoint = <&usb_phy_ss>;
+ data-lanes = <3 2 1 0>;
+ };
+ };
+ port@2 {
+ reg = <2>;
+ usb_con_sbu: endpoint {
+ remote-endpoint = <&typec_dp_aux>;
+ };
+ };
+ };
+ };
+ };
+...
Document bindings for the Parade PS8830 Type-C retimer. This retimer is currently found on all boards featuring Qualcomm Snapdragon X Elite SoCs and it is needed to provide altmode muxing between DP and USB. Signed-off-by: Abel Vesa <abel.vesa@linaro.org> --- .../devicetree/bindings/usb/parade,ps8830.yaml | 117 +++++++++++++++++++++ 1 file changed, 117 insertions(+)