After some healthy discussion, now we have come to the conclusion and
decided to handle AM33XX PRM/CM part separately; as AM33XX-PRCM module is
different than OMAP3 and OMAP4 architecture.
The difference becomes very interesting/weird when it comes to
the consistency for register offsets in PRM address space and
bit-field offsets inside PRM registers,
So along with Powerdomain data and PRM api's required for AM33XX
device, this patch series adds,
- XXX_RSTST register offset to "struct omap_hwmod_omap4_prcm"
- PWRSTCTRL & PWRSTST register offsets to "struct powerdomain"
- Logicretstate and mem_on/ret/pwrst/retst mask to "struct
powerdomain"
Testing: This patch series has been boot tested on AM37xEVM and AM335x
based BeagleBone community board.
Thanks to Paul here...for helping and concluding on this,
shortly I will submit similar patch for CM, clockdomain and clock-tree
support for AM33xx.
This patch-series is created on top of "linux-omap/cleanup" branch, and
also gets applied to "linux-omap/master" branch.
The patches are also available at -
https://github.com/hvaibhav/am335x-linux/tree/am335x-prm-cm
Changes from previous versions:
===============================
>From V3:
- No code change, only added Voltagedomain patch (from V2 series)
to this series.
>From V1 & V2:
- Rolled back to my original approach, where AM33xx
device was handled separately (RFC version).
- As per Paul's comments, added Register offsets & bit-fields
masks.
Vaibhav Hiremath (4):
ARM: OMAP3+: am33xx: Add voltage domain data
ARM: OMAP3/4: omap_hwmod: Add rstst_off field to struct
omap_hwmod_omap4_prcm
ARM: OMAP2+: powerdomain: Add offset & mask fields to struct
powerdomain
ARM: OMAP3+: am33xx: Add powerdomain & PRM support
arch/arm/mach-omap2/Makefile | 6 +
arch/arm/mach-omap2/io.c | 2 +
arch/arm/mach-omap2/omap_hwmod.c | 32 ++-
arch/arm/mach-omap2/powerdomain.h | 23 ++-
arch/arm/mach-omap2/powerdomain33xx.c | 230 ++++++++++++++++
arch/arm/mach-omap2/powerdomains33xx_data.c | 185 +++++++++++++
arch/arm/mach-omap2/prm-regbits-33xx.h | 357 +++++++++++++++++++++++++
arch/arm/mach-omap2/prm33xx.c | 134 +++++++++
arch/arm/mach-omap2/prm33xx.h | 129 +++++++++
arch/arm/mach-omap2/voltage.h | 1 +
arch/arm/mach-omap2/voltagedomains33xx_data.c | 43 +++
arch/arm/plat-omap/include/plat/omap_hwmod.h | 2 +
12 files changed, 1139 insertions(+), 5 deletions(-)
create mode 100644 arch/arm/mach-omap2/powerdomain33xx.c
create mode 100644 arch/arm/mach-omap2/powerdomains33xx_data.c
create mode 100644 arch/arm/mach-omap2/prm-regbits-33xx.h
create mode 100644 arch/arm/mach-omap2/prm33xx.c
create mode 100644 arch/arm/mach-omap2/prm33xx.h
create mode 100644 arch/arm/mach-omap2/voltagedomains33xx_data.c
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