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The Realtek RTS5411 is a USB 3.0 hub controller with 4 ports. This initial version of the binding only describes USB related aspects of the RTS5411, it does not cover the option of connecting the controller as an i2c slave. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Link: https://lore.kernel.org/r/20210609150159.v12.1.I248292623d3d0f6a4f0c5bc58478ca3c0062b49a@changeid Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.3 KiB
YAML
63 lines
1.3 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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$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Binding for the Realtek RTS5411 USB 3.0 hub controller
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maintainers:
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- Matthias Kaehlcke <mka@chromium.org>
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allOf:
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- $ref: usb-device.yaml#
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properties:
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compatible:
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items:
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- enum:
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- usbbda,5411
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- usbbda,411
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reg: true
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vdd-supply:
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description:
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phandle to the regulator that provides power to the hub.
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companion-hub:
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$ref: '/schemas/types.yaml#/definitions/phandle'
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description:
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phandle to the companion hub on the controller.
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required:
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- companion-hub
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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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usb {
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dr_mode = "host";
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#address-cells = <1>;
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#size-cells = <0>;
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/* 2.0 hub on port 1 */
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hub_2_0: hub@1 {
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compatible = "usbbda,5411";
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reg = <1>;
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vdd-supply = <&pp3300_hub>;
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companion-hub = <&hub_3_0>;
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};
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/* 3.0 hub on port 2 */
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hub_3_0: hub@2 {
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compatible = "usbbda,411";
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reg = <2>;
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vdd-supply = <&pp3300_hub>;
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companion-hub = <&hub_2_0>;
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};
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};
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