Hi, On Wednesday 20 November 2013 03:02 PM, Vivek Gautam wrote: > On Wed, Nov 20, 2013 at 2:34 PM, Kishon Vijay Abraham I <kishon@xxxxxx> wrote: >> On Wednesday 20 November 2013 02:27 PM, Vivek Gautam wrote: >>> Hi Kishon, >>> >>> >>> On Mon, Nov 11, 2013 at 4:41 PM, Kishon Vijay Abraham I <kishon@xxxxxx> wrote: >>>> Hi, >>> sorry for the delayed response. >>> >>>> >>>> On Wednesday 06 November 2013 05:37 AM, Jingoo Han wrote: >>>>> On Wednesday, November 06, 2013 2:58 AM, Vivek Gautam wrote: >>>>>> On Tue, Nov 5, 2013 at 5:33 PM, Jingoo Han <jg1.han@xxxxxxxxxxx> wrote: >>>>> >>>>> [.....] >>>>> >>>>>>> USB3.0 PHY consists of two blocks such as 3.0 block and 2.0 block. >>>>>>> This USB3.0 PHY can support UTMI+ and PIPE3 interface for 3.0 block >>>>>>> and 2.0 block, respectively. >>>>>>> >>>>>>> Conclusion: >>>>>>> >>>>>>> 1) USB2.0 PHY: USB2.0 HOST, USB2.0 Device >>>>>>> Base address: 0x1213 0000 >>>>>>> >>>>>>> 2) USB3.0 PHY: USB3.0 DRD (3.0 HOST & 3.0 Device) >>>>>>> Base address: 0x1210 0000 >>>>>>> 2.0 block(UTMI+) & 3.0 block(PIPE3) >>>>>> >>>>>> And this is of course the PHY used by DWC3 controller, which works at >>>>>> both High speed as well as Super Speed. >>>>>> Right ? >>>>> >>>>> Right. >>>>> >>>>> While 3.0 block(PIPE3) can be used for Super Speed, 2.0 block(UTMI+) >>>>> can be used for High speed. >>>> >>>> It should then come under *single IP muliple PHY* category similar to what >>>> Sylwester has done. >>> >>> Do you mean that i should be including PHY IDs for UTMI+ phy and PIPE3 >>> phy present in this PHY block ? >>> AFAICS the two phys (UTMI+ and PIPE3) do not really have separate >>> registers to program, and that's the reason >>> we program the entire PHY in a shot. >> >> you mean you program the same set of bits for UTMI+ and PIPE3? > > No, looking closely into PHY datasheet as well as Exynos5250 manual, i > can see that UTMI+ and PIPE3 > phys have separate bit settings. So i think we should be able to > segregate the two PHYs (UTMI+ and PIPE3). > Pardon me for my earlier observations. no problem.. > Let me clarify more with our h/w team also on this and then i will > confirm with this. sure, thanks. Cheers Kishon > >> >> Thanks >> Kishon > > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
