[PATCH RFC 0/3] first pass converting omap4 clock data to DT

Mike Turquette
2013-06-05T06:45:45Z

Quoting Tero Kristo (2013-06-04 06:28:54)
> Hi Mike,
>
> On Mon, 2013-06-03 at 23:39 -0700, Mike Turquette wrote:
> > This is a very incomplete conversion of a handful of OMAP4 PRCM clocks
> > from the statically defined clock data in
> > arch/arm/mach-omap2/cclock44xx_data.c to a new dts file in
> > arch/arm/boot/dts/omap4-clocks.dtsi.
>
> I gave a quick try for this set and it seems to be working nicely, so
> for at least me this approach is fine. Feel free to add tested-by me if
> you like (for the basic clock bindings also.) Can't comment much on the
> DT stuff though as my experience is rather limited on it.
>
> > I am not a DT expert so many of the choices here may be quite disgusting
> > to look at, or may be on the right path. In particular I simply include
> > the new omap4-clocks.dtsi from omap4.dtsi, which feels a bit kludgey.
> > Also this series depends on the basic clock bindings RFC I posted
> > earlier today[1].
> >
> > I actually have an omap4-clock.dtsi file with many more clocks converted
> > to the mux-clock, divider-clock, fixed-clock, fixed-factor and
> > (unpublished) gate-clock bindings in my local repo, but it is not
> > currently booting. I wanted to get this early preview out regardless.
>
> Any way I can get access to your local tree? Can you push a branch
> somewhere? I could provide you debugging support on this at least, as I
> spent quite a bit of time earlier moving the clock data under
> drivers/clk... I guess you are probably seeing similar issues I faced.
>

I'll be pushing changes to my github tree:
git://github.com/mturquette/linux.git clk-next-omap-dt
https://github.com/mturquette/linux/tree/clk-next-omap-dt

For now it is just this series based on the prerequisites, based on
clk-next, based on -rc3.

Regards,
Mike

> -Tero
>
> >
> > [1] http://article.gmane.org/gmane.linux.kernel/1501216
> >
> > Mike Turquette (3):
> > clk: omap: introduce clock driver
> > ARM: dts: omap4 clock data
> > ARM: omap4: register DT clocks & remove old data
> >
> > arch/arm/boot/dts/omap4-clocks.dtsi | 128 ++++++++++++++++++++++++++++++++++
> > arch/arm/boot/dts/omap4.dtsi | 2 +
> > arch/arm/mach-omap2/cclock44xx_data.c | 54 ++------------
> > drivers/clk/Makefile | 1 +
> > drivers/clk/omap/Makefile | 1 +
> > drivers/clk/omap/clk.c | 55 +++++++++++++++
> > include/linux/clk/omap.h | 24 +++++++
> > 7 files changed, 217 insertions(+), 48 deletions(-)
> > create mode 100644 arch/arm/boot/dts/omap4-clocks.dtsi
> > create mode 100644 drivers/clk/omap/Makefile
> > create mode 100644 drivers/clk/omap/clk.c
> > create mode 100644 include/linux/clk/omap.h
> >