RE: [PATCH 1/2] dt-bindings: qoriq-clock: Add coreclk

From: Y.T. Tang
Date: Tue Feb 28 2017 - 20:47:32 EST


Hi Rob,

> -----Original Message-----
> From: Rob Herring [mailto:robh@xxxxxxxxxx]
> Sent: Tuesday, February 28, 2017 1:19 AM
> To: Y.T. Tang <yuantian.tang@xxxxxxx>
> Cc: mturquette@xxxxxxxxxxxx; sboyd@xxxxxxxxxxxxxx;
> mark.rutland@xxxxxxx; linux-clk@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; Scott Wood <oss@xxxxxxxxxxxx>
> Subject: Re: [PATCH 1/2] dt-bindings: qoriq-clock: Add coreclk
>
> On Wed, Feb 15, 2017 at 01:47:35PM +0800, yuantian.tang@xxxxxxx wrote:
> > From: Tang Yuantian <Yuantian.Tang@xxxxxxx>
> >
> > ls1012a has separate input root clocks for core PLLs versus the
> > platform PLL, with the latter described as sysclk in the hw docs.
> > Update the qoriq-clock binding to allow a second input clock, named
> > "coreclk". If present, this clock will be used for the core PLLs.
> >
> > Signed-off-by: Scott Wood <oss@xxxxxxxxxxxx>
> > Signed-off-by: Tang Yuantian <yuantian.tang@xxxxxxx>
> > ---
> > Documentation/devicetree/bindings/clock/qoriq-clock.txt | 6 ++++++
> > 1 file changed, 6 insertions(+)
>
> The change looks fine, but sounds like Scott should remain the author (or
> agree he shouldn't be).
>
Sure, please make Scott the author and apply this patch set.

Regards,
Yuantian

> >
> > diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> > b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> > index df9cb5a..97a9666 100644
> > --- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> > +++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
> > @@ -55,6 +55,11 @@ Optional properties:
> > - clocks: If clock-frequency is not specified, sysclk may be provided
> > as an input clock. Either clock-frequency or clocks must be
> > provided.
> > + A second input clock, called "coreclk", may be provided if
> > + core PLLs are based on a different input clock from the
> > + platform PLL.
> > +- clock-names: Required if a coreclk is present. Valid names are
> > + "sysclk" and "coreclk".
> >
> > 2. Clock Provider
> >
> > @@ -71,6 +76,7 @@ second cell is the clock index for the specified type.
> > 2 hwaccel index (n in CLKCGnHWACSR)
> > 3 fman 0 for fm1, 1 for fm2
> > 4 platform pll 0=pll, 1=pll/2, 2=pll/3, 3=pll/4
> > + 5 coreclk must be 0
> >
> > 3. Example
> >
> > --
> > 2.1.0.27.g96db324
> >