[PATCH 4/5] ARM: tegra: paz00: add clocks required for usboperation
Marc Dietrich
Marc.Dietrich at ap.physik.uni-giessen.de
Mon Aug 8 13:18:41 EDT 2011
Hi Stephen,
On Monday 08 August 2011 18:57:52 Stephen Warren wrote:
> Marc Dietrich wrote at Sunday, August 07, 2011 1:01 PM:
> > These clocks are required for usb operation.
>
> ...
>
> > diff --git a/arch/arm/mach-tegra/board-paz00.c
> > b/arch/arm/mach-tegra/board-paz00.c
>
> ...
>
> > @@ -145,6 +145,11 @@ static __initdata struct tegra_clk_init_table
> > paz00_clk_init_table[] = {
> >
> > /* name parent rate enabled */
> > { "uarta", "pll_p", 216000000, true },
> > { "uartd", "pll_p", 216000000, true },
> >
> > +
> > + { "pll_a", "pll_p_out1", 56448000, true },
> > + { "pll_a_out0", "pll_a", 11289600, true },
>
> Are you sure those two are required for USB operation; they're typically
> used for audio. Of course, this might just be a bug in the commit
> description:-) Although, if you are attempting to enable audio, there's
> a bunch more stuff that'd need to be done, including some more clock
> setup.
Sorry, no audio yet :-(
But yes, you are right. I just found them by trial-and-error method, so somehow
these creeped in. So I guess that the *_a* stands for audio?
Corrected patch coming soon.
Thanks
Marc
More information about the linux-arm-kernel
mailing list