[PATCH 5/6] DT bindings documentation for Broadcom IPROC USB Device controller.
From: Raviteja Garimella <hidden>
Date: 2017-01-30 07:57:59
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Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
The device node is used for UDCs integrated into Broadcom's iProc family of SoCs'. The UDC is based on Synopsys Designware Cores AHB Subsystem USB Device Controller IP. Signed-off-by: Raviteja Garimella <redacted> --- .../bindings/usb/brcm,iproc-snps-udc.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt
diff --git a/Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt b/Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt
new file mode 100644
index 0000000..537dd4d
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt@@ -0,0 +1,24 @@ +Broadcom IPROC USB Device controller. + +The device node is used for UDCs integrated into Broadcom's +iProc family of SoCs'. The UDC is based on Synopsys Designware +Cores AHB Subsystem Device Controller. + +Required properties: + - compatible: should be "brcm,iproc-snps-udc" + - reg: Offset and length of UDC register set + - interrupts: description of interrupt line + - phys: phandle to phy node. + - extcon: phandle to the extcon device. This is optional and + not required for those that don't require extcon support. + Extcon support will be required if the UDC is connected to + a Dual Role Device Phy that supports both Host and Device + mode based on the external cable. + +Example: + udc_dwc: usb@664e0000 { + compatible = "brcm,iproc-snps-udc"; + reg = <0x664e0000 0x2000>; + interrupts = <GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH>; + phys = <&usbdrd_phy>; + extcon = <&usbdrd_phy>";
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2.1.0