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- Atmel SOC USB controllers
- OHCI
- Required properties:
- - compatible: Should be "atmel,at91rm9200-ohci" for USB controllers
- used in host mode.
- - num-ports: Number of ports.
- - atmel,vbus-gpio: If present, specifies a gpio that needs to be
- activated for the bus to be powered.
- - atmel,oc-gpio: If present, specifies a gpio that needs to be
- activated for the overcurrent detection.
- usb0: ohci@00500000 {
- compatible = "atmel,at91rm9200-ohci", "usb-ohci";
- reg = <0x00500000 0x100000>;
- interrupts = <20 4>;
- num-ports = <2>;
- };
- EHCI
- Required properties:
- - compatible: Should be "atmel,at91sam9g45-ehci" for USB controllers
- used in host mode.
- usb1: ehci@00800000 {
- compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
- reg = <0x00800000 0x100000>;
- interrupts = <22 4>;
- };
- AT91 USB device controller
- Required properties:
- - compatible: Should be "atmel,at91rm9200-udc"
- - reg: Address and length of the register set for the device
- - interrupts: Should contain macb interrupt
- Optional properties:
- - atmel,vbus-gpio: If present, specifies a gpio that needs to be
- activated for the bus to be powered.
- usb1: gadget@fffa4000 {
- compatible = "atmel,at91rm9200-udc";
- reg = <0xfffa4000 0x4000>;
- interrupts = <10 4>;
- atmel,vbus-gpio = <&pioC 5 0>;
- };
- Atmel High-Speed USB device controller
- Required properties:
- - compatible: Should be "atmel,at91sam9rl-udc"
- - reg: Address and length of the register set for the device
- - interrupts: Should contain usba interrupt
- - ep childnode: To specify the number of endpoints and their properties.
- Optional properties:
- - atmel,vbus-gpio: If present, specifies a gpio that needs to be
- activated for the bus to be powered.
- Required child node properties:
- - name: Name of the endpoint.
- - reg: Num of the endpoint.
- - atmel,fifo-size: Size of the fifo.
- - atmel,nb-banks: Number of banks.
- - atmel,can-dma: Boolean to specify if the endpoint support DMA.
- - atmel,can-isoc: Boolean to specify if the endpoint support ISOC.
- usb2: gadget@fff78000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "atmel,at91sam9rl-udc";
- reg = <0x00600000 0x80000
- 0xfff78000 0x400>;
- interrupts = <27 4 0>;
- atmel,vbus-gpio = <&pioB 19 0>;
- ep0 {
- reg = <0>;
- atmel,fifo-size = <64>;
- atmel,nb-banks = <1>;
- };
- ep1 {
- reg = <1>;
- atmel,fifo-size = <1024>;
- atmel,nb-banks = <2>;
- atmel,can-dma;
- atmel,can-isoc;
- };
- ep2 {
- reg = <2>;
- atmel,fifo-size = <1024>;
- atmel,nb-banks = <2>;
- atmel,can-dma;
- atmel,can-isoc;
- };
- ep3 {
- reg = <3>;
- atmel,fifo-size = <1024>;
- atmel,nb-banks = <3>;
- atmel,can-dma;
- };
- ep4 {
- reg = <4>;
- atmel,fifo-size = <1024>;
- atmel,nb-banks = <3>;
- atmel,can-dma;
- };
- ep5 {
- reg = <5>;
- atmel,fifo-size = <1024>;
- atmel,nb-banks = <3>;
- atmel,can-dma;
- atmel,can-isoc;
- };
- ep6 {
- reg = <6>;
- atmel,fifo-size = <1024>;
- atmel,nb-banks = <3>;
- atmel,can-dma;
- atmel,can-isoc;
- };
- };
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