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 - reg: Address and length of the register set for the device
9 - interrupts: Should contain ohci interrupt
10 - clocks: Should reference the peripheral, host and system clocks
11 - clock-names: Should contain three strings
12 "ohci_clk" for the peripheral clock
13 "hclk" for the host clock
14 "uhpck" for the system clock
15 - num-ports: Number of ports.
16 - atmel,vbus-gpio: If present, specifies a gpio that needs to be
17 activated for the bus to be powered.
18 - atmel,oc-gpio: If present, specifies a gpio that needs to be
19 activated for the overcurrent detection.
20
21 usb0: ohci@500000 {
22 compatible = "atmel,at91rm9200-ohci", "usb-ohci";
23 reg = <0x00500000 0x100000>;
24 clocks = <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
25 clock-names = "ohci_clk", "hclk", "uhpck";
26 interrupts = <20 4>;
27 num-ports = <2>;
28 };
29
30 EHCI
31
32 Required properties:
33 - compatible: Should be "atmel,at91sam9g45-ehci" for USB controllers
34 used in host mode.
35 - reg: Address and length of the register set for the device
36 - interrupts: Should contain ehci interrupt
37 - clocks: Should reference the peripheral and the UTMI clocks
38 - clock-names: Should contain two strings
39 "ehci_clk" for the peripheral clock
40 "usb_clk" for the UTMI clock
41
42 Optional properties:
43 - phy_type : For multi port host USB controllers, should be one of
44 "utmi", or "hsic".
45
46 usb1: ehci@800000 {
47 compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
48 reg = <0x00800000 0x100000>;
49 interrupts = <22 4>;
50 clocks = <&utmi>, <&uhphs_clk>;
51 clock-names = "usb_clk", "ehci_clk";
52 };
53
54 AT91 USB device controller
55
56 Required properties:
57 - compatible: Should be one of the following
58 "atmel,at91rm9200-udc"
59 "atmel,at91sam9260-udc"
60 "atmel,at91sam9261-udc"
61 "atmel,at91sam9263-udc"
62 - reg: Address and length of the register set for the device
63 - interrupts: Should contain macb interrupt
64 - clocks: Should reference the peripheral and the AHB clocks
65 - clock-names: Should contain two strings
66 "pclk" for the peripheral clock
67 "hclk" for the AHB clock
68
69 Optional properties:
70 - atmel,vbus-gpio: If present, specifies a gpio that needs to be
71 activated for the bus to be powered.
72
73 usb1: gadget@fffa4000 {
74 compatible = "atmel,at91rm9200-udc";
75 reg = <0xfffa4000 0x4000>;
76 interrupts = <10 4>;
77 clocks = <&udc_clk>, <&udpck>;
78 clock-names = "pclk", "hclk";
79 atmel,vbus-gpio = <&pioC 5 0>;
80 };
81
82 Atmel High-Speed USB device controller
83
84 Required properties:
85 - compatible: Should be one of the following
86 "atmel,at91sam9rl-udc"
87 "atmel,at91sam9g45-udc"
88 "atmel,sama5d3-udc"
89 "microchip,sam9x60-udc"
90 "microchip,lan9662-udc"
91 For "microchip,lan9662-udc" the fallback "atmel,sama5d3-udc"
92 is required.
93 - reg: Address and length of the register set for the device
94 - interrupts: Should contain usba interrupt
95 - clocks: Should reference the peripheral and host clocks
96 - clock-names: Should contain two strings
97 "pclk" for the peripheral clock
98 "hclk" for the host clock
99
100 Deprecated property:
101 - ep childnode: To specify the number of endpoints and their properties.
102
103 Optional properties:
104 - atmel,vbus-gpio: If present, specifies a gpio that allows to detect whether
105 vbus is present (USB is connected).
106
107 Deprecated child node properties:
108 - name: Name of the endpoint.
109 - reg: Num of the endpoint.
110 - atmel,fifo-size: Size of the fifo.
111 - atmel,nb-banks: Number of banks.
112 - atmel,can-dma: Boolean to specify if the endpoint support DMA.
113 - atmel,can-isoc: Boolean to specify if the endpoint support ISOC.
114
115 usb2: gadget@fff78000 {
116 #address-cells = <1>;
117 #size-cells = <0>;
118 compatible = "atmel,at91sam9rl-udc";
119 reg = <0x00600000 0x80000
120 0xfff78000 0x400>;
121 interrupts = <27 4 0>;
122 clocks = <&utmi>, <&udphs_clk>;
123 clock-names = "hclk", "pclk";
124 atmel,vbus-gpio = <&pioB 19 0>;
125 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.