On Fri, Aug 09, 2013 at 10:31:58AM -0500, Kumar Gala wrote: > > On Aug 9, 2013, at 4:53 AM, Ivan T. Ivanov wrote: > > > From: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx> > > > > MSM USB3.0 core wrapper consist of USB3.0 IP (SNPS) > > probably good to spell out Synopsys rather than SNPS Synopsys (the company) has always used snps in their bindings though. > > +Required properities : > > +- compatible : sould be "qcom,dwc3-hsphy"; > > +- reg : offset and length of the register set in the memory map > > +- clocks : phandles to clock instances of the device tree nodes > > +- clock-names : > > + "xo" : External reference clock 19 MHz > > + "sleep_a_clk" : Sleep clock, used when USB3 core goes into low > > + power mode (U3). > > +<supply-name>-supply : phandle to the regulator device tree node > > +Required "supply-name" are: > > + "v1p8" : 1.8v supply for HSPHY > > + "v3p3" : 3.3v supply for HSPHY > > + "vbus" : vbus supply for host mode > > + "vddcx" : vdd supply for HS-PHY digital circuit operation I believe these regulators belong to the PHY, not DWC3. Please write a PHY driver. > > +Required properities : > > +- compatible : sould be "qcom,dwc3-ssphy"; > > +- reg : offset and length of the register set in the memory map > > +- clocks : phandles to clock instances of the device tree nodes > > +- clock-names : > > + "xo" : External reference clock 19 MHz > > + "ref_clk" : Reference clock - used in host mode. > > +<supply-name>-supply : phandle to the regulator device tree node > > +Required "supply-name" are: > > + "v1p8" : 1.8v supply for SS-PHY > > + "vddcx" : vdd supply for SS-PHY digital circuit operation likewise, these regulators should be moved to the PHY driver. > > +Required properties : > > +- compatible : should be "qcom,dwc3" > > +- reg : offset and length of the register set in the memory map > > + offset and length of the TCSR register for routing USB > > + signals to either picoPHY0 or picoPHY1. > > +- clocks : phandles to clock instances of the device tree nodes > > +- clock-names : > > + "core_clk" : Master/Core clock, have to be >= 125 MHz for SS > > + operation and >= 60MHz for HS operation > > + "iface_clk" : System bus AXI clock > > + "sleep_clk" : Sleep clock, used when USB3 core goes into low > > + power mode (U3). > > + "utmi_clk" : Generated by HS-PHY. Used to clock the low power > > + parts of thr HS Link layer. > > + > > +Optional properties : > > +- gdsc-supply : phandle to the globally distributed switch controller > > + regulator node to the USB controller. > > + > > +Sub nodes: > > +- Sub node for "DWC3 USB3 controller". > > + This sub node is required property for device node. The properties > > + of this subnode are specified in dwc3.txt. > > Is tx-fifo-resize required for qcom,dwc3? if so we should call that > out in the binding. AFAICT that's only needed for OMAP5 ES1.0. Unless Qualcomm also screwed up default TX FIFO sizes :-p -- balbi
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