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Documentation / devicetree / bindings / usb / atmel-usb.txt




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Based on kernel version 3.16. Page generated on 2014-08-06 21:38 EST.

1	Atmel SOC USB controllers
2	
3	OHCI
4	
5	Required properties:
6	 - compatible: Should be "atmel,at91rm9200-ohci" for USB controllers
7	   used in host mode.
8	 - num-ports: Number of ports.
9	 - atmel,vbus-gpio: If present, specifies a gpio that needs to be
10	   activated for the bus to be powered.
11	 - atmel,oc-gpio: If present, specifies a gpio that needs to be
12	   activated for the overcurrent detection.
13	
14	usb0: ohci@00500000 {
15		compatible = "atmel,at91rm9200-ohci", "usb-ohci";
16		reg = <0x00500000 0x100000>;
17		interrupts = <20 4>;
18		num-ports = <2>;
19	};
20	
21	EHCI
22	
23	Required properties:
24	 - compatible: Should be "atmel,at91sam9g45-ehci" for USB controllers
25	   used in host mode.
26	
27	usb1: ehci@00800000 {
28		compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
29		reg = <0x00800000 0x100000>;
30		interrupts = <22 4>;
31	};
32	
33	AT91 USB device controller
34	
35	Required properties:
36	 - compatible: Should be "atmel,at91rm9200-udc"
37	 - reg: Address and length of the register set for the device
38	 - interrupts: Should contain macb interrupt
39	
40	Optional properties:
41	 - atmel,vbus-gpio: If present, specifies a gpio that needs to be
42	   activated for the bus to be powered.
43	
44	usb1: gadget@fffa4000 {
45		compatible = "atmel,at91rm9200-udc";
46		reg = <0xfffa4000 0x4000>;
47		interrupts = <10 4>;
48		atmel,vbus-gpio = <&pioC 5 0>;
49	};
50	
51	Atmel High-Speed USB device controller
52	
53	Required properties:
54	 - compatible: Should be "atmel,at91sam9rl-udc"
55	 - reg: Address and length of the register set for the device
56	 - interrupts: Should contain usba interrupt
57	 - ep childnode: To specify the number of endpoints and their properties.
58	
59	Optional properties:
60	 - atmel,vbus-gpio: If present, specifies a gpio that allows to detect whether
61	   vbus is present (USB is connected).
62	
63	Required child node properties:
64	 - name: Name of the endpoint.
65	 - reg: Num of the endpoint.
66	 - atmel,fifo-size: Size of the fifo.
67	 - atmel,nb-banks: Number of banks.
68	 - atmel,can-dma: Boolean to specify if the endpoint support DMA.
69	 - atmel,can-isoc: Boolean to specify if the endpoint support ISOC.
70	
71	usb2: gadget@fff78000 {
72		#address-cells = <1>;
73		#size-cells = <0>;
74		compatible = "atmel,at91sam9rl-udc";
75		reg = <0x00600000 0x80000
76		       0xfff78000 0x400>;
77		interrupts = <27 4 0>;
78		atmel,vbus-gpio = <&pioB 19 0>;
79	
80		ep0 {
81			reg = <0>;
82			atmel,fifo-size = <64>;
83			atmel,nb-banks = <1>;
84		};
85	
86		ep1 {
87			reg = <1>;
88			atmel,fifo-size = <1024>;
89			atmel,nb-banks = <2>;
90			atmel,can-dma;
91			atmel,can-isoc;
92		};
93	
94		ep2 {
95			reg = <2>;
96			atmel,fifo-size = <1024>;
97			atmel,nb-banks = <2>;
98			atmel,can-dma;
99			atmel,can-isoc;
100		};
101	
102		ep3 {
103			reg = <3>;
104			atmel,fifo-size = <1024>;
105			atmel,nb-banks = <3>;
106			atmel,can-dma;
107		};
108	
109		ep4 {
110			reg = <4>;
111			atmel,fifo-size = <1024>;
112			atmel,nb-banks = <3>;
113			atmel,can-dma;
114		};
115	
116		ep5 {
117			reg = <5>;
118			atmel,fifo-size = <1024>;
119			atmel,nb-banks = <3>;
120			atmel,can-dma;
121			atmel,can-isoc;
122		};
123	
124		ep6 {
125			reg = <6>;
126			atmel,fifo-size = <1024>;
127			atmel,nb-banks = <3>;
128			atmel,can-dma;
129			atmel,can-isoc;
130		};
131	};
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