diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-08 23:27:48 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-12-09 23:22:59 +0100 |
| commit | c656c30668b9408c46d6bfbd1eea472f39a3155d (patch) | |
| tree | 607b3a98acb6b0454c4cea442a20bf7052c2aa09 /arch/arm/mach-s3c64xx/Kconfig | |
| parent | a87dc8fdc250f6416b522a3eb302c8cf95c2317c (diff) | |
ARM: S3C64XX: Implement basic power domain support
The S3C64xx SoCs contain a set of gateable power domains which can be
enabled and disabled at runtime in order to save power. Use the generic
power domain code to implement support for these in software, enabling
runtime control of most domains:
- ETM (not supported in mainline).
- Domain G: 3D acceleration (no mainline support).
- Domain V: MFC (no mainline support).
- Domain I: JPEG and camera interface (no mainline support).
- Domain P: 2D acceleration, TV encoder and scaler (no mainline support)
- Domain S: Security (no mainline support).
- Domain F: LCD (driver already uses runtime PM), post processing and
rotation (no mainline support).
The IROM domain is marked as always enabled as we should arrange for it
to be enabled when we suspend which will need a bit more work.
Due to all the conditional device registration that the platform does
wrap s3c_pm_init() with s3c64xx_pm_init() which actually puts the device
into the power domain after the machines have registered, looking for
platform data to tell if the device was registered. Since currently only
Cragganmore actually sets up PM that is the only machine updated.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-s3c64xx/Kconfig')
| -rw-r--r-- | arch/arm/mach-s3c64xx/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index 5552e048c2be..381586c7b1b2 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -8,6 +8,7 @@ config PLAT_S3C64XX bool depends on ARCH_S3C64XX select SAMSUNG_WAKEMASK + select PM_GENERIC_DOMAINS default y help Base platform code for any Samsung S3C64XX device |