162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 262306a36Sopenharmony_ci# Copyright (c) 2020 Facebook Inc. 362306a36Sopenharmony_ci%YAML 1.2 462306a36Sopenharmony_ci--- 562306a36Sopenharmony_ci$id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml# 662306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 762306a36Sopenharmony_ci 862306a36Sopenharmony_cititle: ASPEED USB 2.0 Device Controller 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cimaintainers: 1162306a36Sopenharmony_ci - Neal Liu <neal_liu@aspeedtech.com> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_cidescription: |+ 1462306a36Sopenharmony_ci The ASPEED USB 2.0 Device Controller implements 1 control endpoint and 1562306a36Sopenharmony_ci 4 generic endpoints for AST260x. 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci Supports independent DMA channel for each generic endpoint. 1862306a36Sopenharmony_ci Supports 32/256 stages descriptor mode for all generic endpoints. 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciproperties: 2162306a36Sopenharmony_ci compatible: 2262306a36Sopenharmony_ci enum: 2362306a36Sopenharmony_ci - aspeed,ast2600-udc 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci reg: 2662306a36Sopenharmony_ci maxItems: 1 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci clocks: 2962306a36Sopenharmony_ci maxItems: 1 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci interrupts: 3262306a36Sopenharmony_ci maxItems: 1 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_cirequired: 3562306a36Sopenharmony_ci - compatible 3662306a36Sopenharmony_ci - reg 3762306a36Sopenharmony_ci - clocks 3862306a36Sopenharmony_ci - interrupts 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciadditionalProperties: false 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ciexamples: 4362306a36Sopenharmony_ci - | 4462306a36Sopenharmony_ci #include <dt-bindings/clock/aspeed-clock.h> 4562306a36Sopenharmony_ci udc: usb@1e6a2000 { 4662306a36Sopenharmony_ci compatible = "aspeed,ast2600-udc"; 4762306a36Sopenharmony_ci reg = <0x1e6a2000 0x300>; 4862306a36Sopenharmony_ci interrupts = <9>; 4962306a36Sopenharmony_ci clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>; 5062306a36Sopenharmony_ci pinctrl-names = "default"; 5162306a36Sopenharmony_ci pinctrl-0 = <&pinctrl_usb2bd_default>; 5262306a36Sopenharmony_ci }; 53