Re: [PATCH 1/5] ARM: dts: qcom: apq8064: Add missing scm clock

From: Andy Gross
Date: Fri Jan 06 2017 - 22:03:22 EST


On Fri, Jan 06, 2017 at 05:10:44PM -0800, John Stultz wrote:
> On Wed, Dec 21, 2016 at 3:49 AM, Bjorn Andersson
> <bjorn.andersson@xxxxxxxxxx> wrote:
> > As per the device tree binding the apq8064 scm node requires the core
> > clock to be specified, so add this.
> >
> > Cc: John Stultz <john.stultz@xxxxxxxxxx>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > ---
> > arch/arm/boot/dts/qcom-apq8064.dtsi | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
> > index 268bd470c865..78bf155a52f3 100644
> > --- a/arch/arm/boot/dts/qcom-apq8064.dtsi
> > +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
> > @@ -303,6 +303,9 @@
> > firmware {
> > scm {
> > compatible = "qcom,scm-apq8064";
> > +
> > + clocks = <&gcc CE3_CORE_CLK>;
> > + clock-names = "core";
>
>
> Tested-by: John Stultz <john.stultz@xxxxxxxxxx>
>
> I know Bjorn has a new version of this patch that uses the
> RPM_DAYTONA_FABRIC_CLK value, but that one results in problems with
> usb gadget functionality on my Nexus7. This one seems to work ok
> though.

Odd. Is the usb gadget using the daytona but not getting a reference? I wonder
if this is related to not having the bus driver running the bus clk enablement
and frequencies.


Andy