diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb/atmel-usb.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/atmel-usb.txt | 112 |
1 files changed, 53 insertions, 59 deletions
diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt index 55f51af08bc7..12183ef47ee4 100644 --- a/Documentation/devicetree/bindings/usb/atmel-usb.txt +++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt @@ -5,15 +5,24 @@ OHCI Required properties: - compatible: Should be "atmel,at91rm9200-ohci" for USB controllers used in host mode. + - reg: Address and length of the register set for the device + - interrupts: Should contain ohci interrupt + - clocks: Should reference the peripheral, host and system clocks + - clock-names: Should contain three strings + "ohci_clk" for the peripheral clock + "hclk" for the host clock + "uhpck" for the system clock - 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 { +usb0: ohci@500000 { compatible = "atmel,at91rm9200-ohci", "usb-ohci"; reg = <0x00500000 0x100000>; + clocks = <&uhphs_clk>, <&uhphs_clk>, <&uhpck>; + clock-names = "ohci_clk", "hclk", "uhpck"; interrupts = <20 4>; num-ports = <2>; }; @@ -23,19 +32,39 @@ EHCI Required properties: - compatible: Should be "atmel,at91sam9g45-ehci" for USB controllers used in host mode. + - reg: Address and length of the register set for the device + - interrupts: Should contain ehci interrupt + - clocks: Should reference the peripheral and the UTMI clocks + - clock-names: Should contain two strings + "ehci_clk" for the peripheral clock + "usb_clk" for the UTMI clock + +Optional properties: + - phy_type : For multi port host USB controllers, should be one of + "utmi", or "hsic". -usb1: ehci@00800000 { +usb1: ehci@800000 { compatible = "atmel,at91sam9g45-ehci", "usb-ehci"; reg = <0x00800000 0x100000>; interrupts = <22 4>; + clocks = <&utmi>, <&uhphs_clk>; + clock-names = "usb_clk", "ehci_clk"; }; AT91 USB device controller Required properties: - - compatible: Should be "atmel,at91rm9200-udc" + - 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 contain 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 @@ -45,22 +74,37 @@ usb1: gadget@fffa4000 { compatible = "atmel,at91rm9200-udc"; reg = <0xfffa4000 0x4000>; interrupts = <10 4>; + clocks = <&udc_clk>, <&udpck>; + clock-names = "pclk", "hclk"; atmel,vbus-gpio = <&pioC 5 0>; }; Atmel High-Speed USB device controller Required properties: - - compatible: Should be "atmel,at91sam9rl-udc" + - compatible: Should be one of the following + "atmel,at91sam9rl-udc" + "atmel,at91sam9g45-udc" + "atmel,sama5d3-udc" + "microchip,sam9x60-udc" + "microchip,lan9662-udc" + For "microchip,lan9662-udc" the fallback "atmel,sama5d3-udc" + is required. - reg: Address and length of the register set for the device - interrupts: Should contain usba interrupt + - clocks: Should reference the peripheral and host clocks + - clock-names: Should contain two strings + "pclk" for the peripheral clock + "hclk" for the host clock + +Deprecated property: - 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. + - atmel,vbus-gpio: If present, specifies a gpio that allows to detect whether + vbus is present (USB is connected). -Required child node properties: +Deprecated child node properties: - name: Name of the endpoint. - reg: Num of the endpoint. - atmel,fifo-size: Size of the fifo. @@ -75,57 +119,7 @@ usb2: gadget@fff78000 { reg = <0x00600000 0x80000 0xfff78000 0x400>; interrupts = <27 4 0>; + clocks = <&utmi>, <&udphs_clk>; + clock-names = "hclk", "pclk"; 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; - }; }; |