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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright (c) 2020 Facebook Inc. %YAML 1.2 --- $id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: ASPEED USB 2.0 Device Controller maintainers: - Neal Liu <neal_liu@aspeedtech.com> description: |+ The ASPEED USB 2.0 Device Controller implements 1 control endpoint and 4 generic endpoints for AST260x. Supports independent DMA channel for each generic endpoint. Supports 32/256 stages descriptor mode for all generic endpoints. properties: compatible: enum: - aspeed,ast2600-udc reg: maxItems: 1 clocks: maxItems: 1 interrupts: maxItems: 1 required: - compatible - reg - clocks - interrupts additionalProperties: false examples: - | #include <dt-bindings/clock/aspeed-clock.h> udc: usb@1e6a2000 { compatible = "aspeed,ast2600-udc"; reg = <0x1e6a2000 0x300>; interrupts = <9>; clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usb2bd_default>; }; |