This patch series introduces smartreflex and voltage driver support
for OMAP3430 and OMAP3630. SmartReflex modules do adaptive voltage
control for real-time voltage adjustments.
Originally all the functionalities introduced in this patch
were present in arch/arm/mach-omap2/smartreflex.c file in Kevin's
pm tree. This patch series does a major rewrite of this file
and introduces a separate voltage driver. Major contributors
to the original driver are
Eduardo Valentin (1):
OMAP3: PM: SmartReflex: Fix scheduled while atomic problem
Kalle Jokiniemi (1):
OMAP3: PM: SmartReflex driver integration
Kevin Hilman (2):
temp: SR: IO_ADDRESS conversion
OMAP: SR: OPP interfaces removed from OMAP PM layer
Nishanth Menon (1):
omap3: pm: sr: replace get_opp with freq_to_opp
Paul Walmsley (2):
OMAP SR: use opp_find_opp_by_opp_id()
OMAP SR: use OPP API for OPP ID, remove direct access
Phil Carmody (2):
OMAP3: PM: Don't do unnecessary searches in omap_sr_vdd*_autocomp_store
OMAP3: PM: Early exit on invalid parameters
Rajendra Nayak (9):
OMAP3: SR: Fix init voltage on OPP change
OMAP3: SR: Update VDD1/2 voltages at boot
OMAP3: SR: Use sysclk for SR CLKLENGTH calc
OMAP3: SR: Reset voltage level on SR disable
OMAP3: SR: Replace printk's with pr_* calls
OMAP3: SR: Remove redundant defines
OMAP3: SR: Fix SR driver to check for omap-pm return values
OMAP3: PM: Put optimal SMPS stabilization delay
OMAP3: SR: Wait for VP idle before a VP disable
Roger Quadros (4):
OMAP3: PM: Fix Smartreflex when used with PM_NOOP layer
OMAP3: PM: Make Smartreflex driver independent of SRF
OMAP3: PM: Do not Enable SmartReflex if OPP tables not defined
OMAP3: PM: Smartreflex: Fix VDD2 OPP determining logic
Romit Dasgupta (1):
omap: pm: SR: use enum for OPP types
Teerth Reddy (1):
OMAP3: SR: Replace SR_PASS/FAIL,SR_TRUE/FALSE
Tero Kristo (1):
Smartreflex: Avoid unnecessary spam
This patch series is against kernel.org 2.6.37-rc3 with the following
additional patches applied in the below mentioned order.
https://patchwork.kernel.org/patch/394802/
https://patchwork.kernel.org/patch/394792/
https://patchwork.kernel.org/patch/394782/
https://patchwork.kernel.org/patch/396612/
https://patchwork.kernel.org/patch/370931/
The entire series with the dependencies are available at
http://dev.omapzoom.org/?p=thara/omap-dvfs.git;a=summary
head: pm-sr
This patch series has been tested on OMAP3430 SDP with omap2plus_defconfig
with the following menuconfig options enabled.
System type -> TI OMAP Implementations -> Smartreflex Support
System type -> TI OMAP Implementations ->
Class 3 mode of Smartreflex Implementation
Major Changes in v5
- Rebased to k.org 2.6.37-rc3
- Rebased to Nishant Menon's latest opp patches
- Voltage pmic info structure extended to include a
vast set of PMIC dependent parameters.
- Smartreflex software n-target values support
removed from the kernel. Instead n-target
values are exposed as debugfs entries which can
be written into by the user if needed.
- Introduced a new file arch/arm/mach-omap2/omap_twl.c
for specifying OMAP and TWL related info for
the voltage layer.
- Remove default enabling of smartreflex autocompensation
during boot on OMAP3430 ES3.1 chips. Instead
an API is provided that can be called from
board files in case autocompensation needs
to be enabled during boot up itself.
- Other review comments on v4
Thara Gopinath (10):
OMAP3: PM: Adding voltage driver support for OMAP3
OMAP: Introduce voltage domain information in the hwmod structures
OMAP3: PM: Adding smartreflex driver support.
OMAP3: PM: Adding smartreflex device file.
OMAP3: PM: Adding smartreflex hwmod data
OMAP3: PM: Adding smartreflex class3 driver
OMAP3: PM: Adding T2 enabling of smartreflex support
OMAP3: PM: Register TWL4030 pmic info with the voltage driver.
OMAP3: PM: Adding debug support to Voltage and Smartreflex drivers
OMAP3: PM: Program correct init voltages for VDD1 and VDD2
arch/arm/mach-omap2/Makefile | 7 +-
arch/arm/mach-omap2/control.h | 17 +
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 174 ++++
arch/arm/mach-omap2/omap_twl.c | 111 +++
arch/arm/mach-omap2/pm.c | 91 ++
arch/arm/mach-omap2/pm.h | 22 +
arch/arm/mach-omap2/smartreflex-class3.c | 59 ++
arch/arm/mach-omap2/smartreflex.c | 1025 ++++++++++++++++++++
arch/arm/mach-omap2/sr_device.c | 131 +++
arch/arm/mach-omap2/voltage.c | 1242 +++++++++++++++++++++++++
arch/arm/plat-omap/Kconfig | 31 +
arch/arm/plat-omap/include/plat/omap_hwmod.h | 5 +
arch/arm/plat-omap/include/plat/smartreflex.h | 245 +++++
arch/arm/plat-omap/include/plat/voltage.h | 134 +++
drivers/mfd/twl-core.c | 13 +
include/linux/i2c/twl.h | 11 +
16 files changed, 3317 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-omap2/omap_twl.c
create mode 100644 arch/arm/mach-omap2/smartreflex-class3.c
create mode 100644 arch/arm/mach-omap2/smartreflex.c
create mode 100644 arch/arm/mach-omap2/sr_device.c
create mode 100644 arch/arm/mach-omap2/voltage.c
create mode 100644 arch/arm/plat-omap/include/plat/smartreflex.h
create mode 100644 arch/arm/plat-omap/include/plat/voltage.h
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