Re: [PATCH 5/6] DT bindings documentation for Broadcom IPROC USB Device controller.
From: Rob Herring <hidden>
Date: 2017-02-01 16:13:45
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On Mon, Jan 30, 2017 at 01:26:12PM +0530, Raviteja Garimella wrote:
quoted hunk ↗ jump to hunk
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 <raviteja.garimella-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> --- .../bindings/usb/brcm,iproc-snps-udc.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txtdiff --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"
Adding "snps" in here adds nothing really. Again, please use per SoC compatible strings.
+ - 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.
Drop this property.
+
+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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