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Document the Microchip USB2412, USB2417, and USB2514 USB hubs. The existing usb251xb.yaml describes Microchip USB251x hubs that are connected under I2C bus. Here, the hub is under the USB bus and use the on-board-hub interface instead. Signed-off-by: Fabio Estevam <festevam@denx.de> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20240405120147.880933-1-festevam@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
64 lines
1.3 KiB
YAML
64 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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$id: http://devicetree.org/schemas/usb/microchip,usb2514.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip USB2514 Hub Controller
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maintainers:
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- Fabio Estevam <festevam@gmail.com>
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allOf:
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- $ref: usb-hcd.yaml#
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properties:
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compatible:
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enum:
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- usb424,2412
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- usb424,2417
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- usb424,2514
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reg: true
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reset-gpios:
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description: GPIO connected to the RESET_N pin.
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vdd-supply:
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description: 3.3V power supply.
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clocks:
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description: External 24MHz clock connected to the CLKIN pin.
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maxItems: 1
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/imx6qdl-clock.h>
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#include <dt-bindings/gpio/gpio.h>
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usb {
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#address-cells = <1>;
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#size-cells = <0>;
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usb-hub@1 {
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compatible = "usb424,2514";
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reg = <1>;
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clocks = <&clks IMX6QDL_CLK_CKO>;
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reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
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vdd-supply = <®_3v3_hub>;
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#address-cells = <1>;
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#size-cells = <0>;
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ethernet@1 {
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compatible = "usbb95,772b";
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reg = <1>;
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};
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};
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};
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