mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
028ab4d03c
atmel,at91sam9rl-udc is a USB gadget, it has no means to control vbus. atmel,vbus-gpio is in fact used to detect the presence of vbus. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> [nicolas.ferre@atmel.com: modify the commit message] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
132 lines
2.9 KiB
Plaintext
132 lines
2.9 KiB
Plaintext
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 allows to detect whether
|
|
vbus is present (USB is connected).
|
|
|
|
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;
|
|
};
|
|
};
|