On 08/19/2013 06:27 AM, Ivan T. Ivanov wrote: > > Hi, > > On Fri, 2013-08-16 at 16:44 -0600, Stephen Warren wrote: >> On 08/14/2013 06:59 AM, Ivan T. Ivanov wrote: >>> From: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx> >>> >>> MSM USB3.0 core wrapper consist of USB3.0 IP from Synopsys >>> (SNPS) and HS, SS PHY's control and configuration registers. >>> >>> It could operate in device mode (SS, HS, FS) and host >>> mode (SS, HS, FS, LS). >> >>> diff --git a/Documentation/devicetree/bindings/usb/msm-ssusb.txt b/Documentation/devicetree/bindings/usb/msm-ssusb.txt >> >>> +- clock-names : >> ... >>> + "sleep_a_clk" : Sleep clock, used when USB3 core goes into low >> ... >>> + "ref_clk" : Reference clock - used in host mode. >> ... >>> + "core_clk" : Master/Core clock, have to be >= 125 MHz for SS >> ... >>> + "iface_clk" : System bus AXI clock >>> + "sleep_clk" : Sleep clock, used when USB3 core goes into low >> ... >>> + "utmi_clk" : Generated by HS-PHY. Used to clock the low power >> >> I think it makes sense to remove "_clk" from all those names, unless the >> HW documentation really talks about a clock named e.g. iface_clk yet >> some other clock names in the documentation don't have the "_clk" >> suffix, e.g. the "xo I didn't quote. > > From limited information that I have, I could not say how clock inputs > are named from the controller perspective, but I agree that "_clk" > suffix looks redundant. > > Side question: if for example label in controller says "UTMI", should I > also use capital letters for the resource or this could be "utmi"? All the clock-names entries I've seen so far have been lower-case, but I suppose there's no hard-and-fast rule that they couldn't be upper-/mixed-case if that best matched the HW documentation. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
