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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/usb/renesas_usbhs.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/kernel/Documentation/devicetree/bindings/usb/renesas_usbhs.txt new file mode 100644 index 000000000..ddbe304be --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/usb/renesas_usbhs.txt @@ -0,0 +1,27 @@ +Renesas Electronics USBHS driver + +Required properties: + - compatible: Must contain one of the following: + - "renesas,usbhs-r8a7790" + - "renesas,usbhs-r8a7791" + - reg: Base address and length of the register for the USBHS + - interrupts: Interrupt specifier for the USBHS + - clocks: A list of phandle + clock specifier pairs + +Optional properties: + - renesas,buswait: Integer to use BUSWAIT register + - renesas,enable-gpio: A gpio specifier to check GPIO determining if USB + function should be enabled + - phys: phandle + phy specifier pair + - phy-names: must be "usb" + - dmas: Must contain a list of references to DMA specifiers. + - dma-names : named "ch%d", where %d is the channel number ranging from zero + to the number of channels (DnFIFOs) minus one. + +Example: + usbhs: usb@e6590000 { + compatible = "renesas,usbhs-r8a7790"; + reg = <0 0xe6590000 0 0x100>; + interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp7_clks R8A7790_CLK_HSUSB>; + }; |