[PATCH] ARM: S5P: Add PMU device

Kukjin Kim kgene.kim at samsung.com
Mon Jul 5 23:12:37 EDT 2010


Kyungmin Park wrote:
> 
> On Mon, Jul 5, 2010 at 9:57 PM, Kukjin Kim <kgene.kim at samsung.com> wrote:
> > Maurus Cuelenaere wrote:
> >>
> >>  Op 05-07-10 03:46, Joonyoung Shim schreef:
> >> > This patch adds an initcall for the s5p platforms so that they
register
> >> > their PMU IRQs with the PMU framework in the Kernel.
> >> >
> >> > Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> >> > ---
> >> >  arch/arm/mach-s5p6442/include/mach/irqs.h |    2 +-
> >> >  arch/arm/mach-s5pc100/include/mach/irqs.h |    1 +
> >> >  arch/arm/mach-s5pv210/include/mach/irqs.h |    1 +
> >> >  arch/arm/plat-s5p/Makefile                |    1 +
> >> >  arch/arm/plat-s5p/dev-pmu.c               |   37
> >> +++++++++++++++++++++++++++++
> >> >  5 files changed, 41 insertions(+), 1 deletions(-)
> >> >  create mode 100644 arch/arm/plat-s5p/dev-pmu.c
> >>
> >> Wouldn't it be better if this was in plat-samsung? I can see that the
S3C6410
> >> datasheet mentions a PMU_IRQ_ENABLE bit in SYS_OTHERS so I suspect
> that it
> >> has
> >> the same functionality (even though there's no mention of which
interrupt this
> >> is).
> >>
> > Yes, I also found PMU_IRQ_ENABLE bit in System Others register of
S3C6410
> datasheet. But as your comments, could not found the interrupt number and
any
> description...Actually, need to check whether it's available or not.
> >
> > And S5P6440 has it.
> > So Joonyoung, it would be helpful if you could add 6440 PMUIRQ
(VIC1[23]) in
> this patch.
> 
> It's another story. Can you explain the difference between 6440 and 6442?
> As I heard it's same chip and type is difference. If true, how about
> to delete the 6442 directory?
> It makes a single kernel simple.
> 

I remember, already explained about that.
Hmm..Where did you hear wrong information that they are same? :-(
Absolutely, they are different !! not same chip.
...

But actually, I'm working on merge some S5P SoCs...

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.




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