1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2020 Facebook Inc.
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/usb/aspeed,ast2600-udc.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: ASPEED USB 2.0 Device Controller
9
10 maintainers:
11 - Neal Liu <neal_liu@aspeedtech.com>
12
13 description: |+
14 The ASPEED USB 2.0 Device Controller implements 1 control endpoint and
15 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
20 properties:
21 compatible:
22 enum:
23 - aspeed,ast2600-udc
24
25 reg:
26 maxItems: 1
27
28 clocks:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 required:
35 - compatible
36 - reg
37 - clocks
38 - interrupts
39
40 additionalProperties: false
41
42 examples:
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 };
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