On Mon, Mar 9, 2015 at 4:41 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Bin Liu <binmlist@xxxxxxxxx> [150309 14:35]: >> On Mon, Mar 9, 2015 at 4:26 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: >> > * Felipe Balbi <balbi@xxxxxx> [150309 14:21]: >> >> On Mon, Mar 09, 2015 at 04:17:29PM -0500, Bin Liu wrote: >> >> > On Mon, Mar 9, 2015 at 4:13 PM, Felipe Balbi <balbi@xxxxxx> wrote: >> >> > > On Mon, Mar 09, 2015 at 04:11:28PM -0500, Bin Liu wrote: >> >> > >> Hi, >> >> > >> >> >> > >> On Mon, Mar 9, 2015 at 3:51 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: >> >> > >> > Add a minimal driver for dm816x USB. Otherwise we can just use >> >> > >> > the existing musb_am335x and musb_dsps on dm816x. >> >> > >> >> >> > >> dm816x has the almost identical usbss as that in am335x, we should be >> >> > >> able to adopt musb_am335x and musb_dsps for dm816x, and dm814x too? >> >> > > >> >> > > Tony's using the same musb glue layers, this is just a phy driver, >> >> > > right ? >> >> > >> >> > Can the current am335x phy driver be adopted too? I remember it is >> >> > under drivers/usb/phy/. >> >> >> >> Tony will be best to answer, but according to our IRC discussions, it's >> >> too different. Tony ? >> > >> > Well we should check again between dm814x and am335x documentation >> > against the $subject driver as the dm816x docs were buggy and I may >> > have gotten a wrong idea initially. >> >> Will it make our life a little easier by comparing the usb drivers for >> dm81xx and am335x in previous TI kernel releases? I cam dig out the >> source code if that helps. > > Yeah that probably helps if you've dealt with dm814x earlier :) Well, don't expect much from me about dm814x ;), I did not read its trm nor errata, but only booted the board a few times trying to compare the MUSB behaviours while debugging issues on am335x. Ok, the previous TI released 3.2 kernel for am335x is at [1], and 2.6.37 kernel dm81xx is at [2]. Regards, -Bin. [1] http://arago-project.org/git/projects/?p=linux-am33x.git;a=shortlog;h=refs/heads/v3.2-staging [2] http://arago-project.org/git/projects/?p=linux-omap3.git;a=shortlog;h=refs/heads/TI81XXPSP_04.04.00.01 > Just don't look at the dm816x trm, only the errata pdf works for > dm816x phy. > > Note that we still are missing basic support for dm814x in mainline, > I'm planning to tackle that at some point but I don't know when I'm > going to get to it.. > > Regards, > > Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
