[PATCH 0/4] clockdomains: add OMAP2/3 clockdomain code, link 34xx clocks with clockdomains

[Paul Walmsley <paul@pwsan.com>]

Hi everyone,

This is the second version of the clockdomain patches.  It: 

. adds the IVA1 clockdomain in the DSP powerdomain, for OMAP2420 only

. replaces omap_type_t typedef with struct omap_chip_id

. removes all EXPORT_SYMBOLs - these can be added back in if clockdomain
  code needs to be used from loadable PM modules - the expectation is that 
  it will only be used from PM code

. creates _clkdm_lookup() to avoid potential race in clkdm_register()

. fixes several clockdomain platform flag bugs

. gets rid of tabs in comments

. is refreshed against current git head (e015fc7)

This version is tested against 3430SDP ES2.1, and compile-tested with
N800 and 2430SDP configs.  Size, diffstat have been updated below.

Thanks to Tony & Jouni for review and comments.  More comments welcome,


- Paul

-------------------------

Hello,

this patch series adds a hardware control interface for OMAP2/3
clockdomains.  Also added is clockdomain usecounting of underlying
clocks, so hardware-supervised and software-supervised clockdomain
transitions can occur correctly.  The interface is fully documented in
the code.

24xx clocks are not yet linked with clockdomains. This will be done in
a later patchset.

This series must be applied after the powerdomain series, posted earlier.

Clockdomain code tested on 3430SDP ES2.1; also boot-tested on N800.

Many people at Nokia and TI provided commentary and review during the
development of the clockdomain patches.  Particular help came from (in
alphabetical order): Karthik Dasu, Tony Lindgren, Rajendra Nayak,
Sakari Poussa, Igor Stoppa, and Richard Woodruff.  Jouni Högander
merits special mention; he took the original code and made it do what
it was supposed to do on the hardware, testing and fixing many bugs.


-----------

size:
  text    data     bss     dec     hex filename
3269405  152552  100736 3522693  35c085 vmlinux.3430sdp.orig
3272093  154920  100736 3527749  35d445 vmlinux.3430sdp

Paul Walmsley (4):
      Subject: Integrate OMAP3 clocks with clockdomain code
      Subject: encode OMAP2/3 clockdomains
      Subject: connect clockdomain code to powerdomain code
      Subject: add base OMAP2/3 clockdomain code


 arch/arm/mach-omap2/Makefile            |    3 
 arch/arm/mach-omap2/clock.c             |   45 ++
 arch/arm/mach-omap2/clock.h             |    1 
 arch/arm/mach-omap2/clock34xx.c         |    4 
 arch/arm/mach-omap2/clock34xx.h         |  196 +++++++++-
 arch/arm/mach-omap2/clockdomain.c       |  606 +++++++++++++++++++++++++++++++
 arch/arm/mach-omap2/clockdomains.h      |  298 +++++++++++++++
 arch/arm/mach-omap2/cm-regbits-24xx.h   |   24 +
 arch/arm/mach-omap2/cm-regbits-34xx.h   |   42 ++
 arch/arm/mach-omap2/io.c                |    4 
 arch/arm/mach-omap2/pm.c                |   12 -
 arch/arm/mach-omap2/powerdomain.c       |  132 +++++++
 arch/arm/plat-omap/Kconfig              |   12 +
 drivers/dsp/dspgateway/dsp_core.c       |    2 
 include/asm-arm/arch-omap/clock.h       |    4 
 include/asm-arm/arch-omap/clockdomain.h |  105 +++++
 include/asm-arm/arch-omap/powerdomain.h |   16 +
 17 files changed, 1457 insertions(+), 49 deletions(-)
 create mode 100644 arch/arm/mach-omap2/clockdomain.c
 create mode 100644 arch/arm/mach-omap2/clockdomains.h
 create mode 100644 include/asm-arm/arch-omap/clockdomain.h

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