Initial import

1 files changed, 142 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt
new file mode 100644
index 000000000..de773a00e
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt
@@ -0,0 +1,142 @@
+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 one of the following
+	       "atmel,at91rm9200-udc"
+	       "atmel,at91sam9260-udc"
+	       "atmel,at91sam9261-udc"
+	       "atmel,at91sam9263-udc"
+ - reg: Address and length of the register set for the device
+ - interrupts: Should contain macb interrupt
+ - clocks: Should reference the peripheral and the AHB clocks
+ - clock-names: Should contains two strings
+		"pclk" for the peripheral clock
+		"hclk" for the AHB clock
+
+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 one of the following
+	       "atmel,at91sam9rl-udc"
+	       "atmel,at91sam9g45-udc"
+	       "atmel,sama5d3-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;
+	};
+};