53 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2# Copyright (c) 2020 Facebook Inc.3%YAML 1.24---5$id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: ASPEED USB 2.0 Device Controller9 10maintainers:11 - Neal Liu <neal_liu@aspeedtech.com>12 13description: |+14 The ASPEED USB 2.0 Device Controller implements 1 control endpoint and15 4 generic endpoints for AST260x.16 17 Supports independent DMA channel for each generic endpoint.18 Supports 32/256 stages descriptor mode for all generic endpoints.19 20properties:21 compatible:22 enum:23 - aspeed,ast2600-udc24 25 reg:26 maxItems: 127 28 clocks:29 maxItems: 130 31 interrupts:32 maxItems: 133 34required:35 - compatible36 - reg37 - clocks38 - interrupts39 40additionalProperties: false41 42examples:43 - |44 #include <dt-bindings/clock/aspeed-clock.h>45 udc: usb@1e6a2000 {46 compatible = "aspeed,ast2600-udc";47 reg = <0x1e6a2000 0x300>;48 interrupts = <9>;49 clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>;50 pinctrl-names = "default";51 pinctrl-0 = <&pinctrl_usb2bd_default>;52 };53