On Friday 12 of April 2013 21:17:16 Tomasz Figa wrote: > This series is an attempt to make the samsung-time clocksource driver > ready for multiplatform kernels. It moves the driver to > drivers/clocksource, cleans it up from uses of static platform-specific > definitions, simplifies timer interrupt handling and adds Device Tree > support. > > The samsung_pwm clocksource driver is made the master driver, which > exposes a single function to the PWM driver to get required data. Only > samsung-time driver is reworked to use the master driver at this time, > since the PWM driver can be already considered broken at the moment and > needs separate series of several patches to fix and clean it up, which > I am already working on. > > Tested on Universal C210 board with Device Tree. Not tested without > Device Tree, since it has been already broken before this series. > Compile tested for other related SoCs. > > Changes since v4: > (http://thread.gmane.org/gmane.linux.kernel.samsung-soc/17464) > - Changed the design again - now clocksource driver is considered the > master and exports a single function to get access to things like base > address, hardware variant information, shared spinlock for register > access synchronization and interrupt numbers > - Renamed the clocksource driver to samsung_pwm > - Cleaned up the code a bit more > - Added clocksource_of_init support > > Changes since v3: > (http://thread.gmane.org/gmane.linux.kernel.samsung-soc/16664/) > - Changed the design to use common (master) driver for operations that > can be done from both clocksource and PWM drivers (as suggested by > Arnd Bergmann) - needed to properly synchronize access to PWM > registers - Moved handling of PWM prescaler and divider to master > driver > > Changes since v2: > (http://thread.gmane.org/gmane.linux.kernel.samsung-soc/16158) > - Addressed comments from Rob Herring and Mark Rutland > - Removed unused register definitions > - Replaced samsung,source-timer and samsung,event-timer properties > with samsung,pwm-outputs property that defines which PWM channels > are reserved for PWM outputs on particular platform > - Split non-DT and DT initialization into two functions > - Fixed a copy paste error > > Changes since v1: > (http://thread.gmane.org/gmane.linux.kernel.samsung-soc/16005) > - Addressed comments from Mark Rutland > - Documented struct samsung_timer_variant > - Dropped inactive mail addresses from CC > > Tomasz Figa (14): > ARM: SAMSUNG: Move samsung-time to drivers/clocksource > clocksource: samsung-pwm: Clean up platform header > clocksource: samsung-pwm: Add infrastructure to share PWM hardware > ARM: SAMSUNG: Unify base address definitions of timer block > ARM: SAMSUNG: Add new PWM platform device > ARM: SAMSUNG: Set PWM platform data > clocksource: samsung-pwm: Use platform data to setup the clocksource > clocksource: samsung-pwm: Synchronize register accesses > clocksource: samsung-pwm: Move IRQ mask/ack handling to the driver > ARM: SAMSUNG: Remove unused PWM timer IRQ chip code > clocksource: samsung-pwm: Configure dividers directly > clocksource: samsung-pwm: Do not use static mapping of registers > clocksource: samsung-pwm: Drop unnecessary includes > clocksource: samsung-pwm: Prepare for clocksource_of_init On S3C6410-based Tiny6410 (Mini6410-compatible) board, both with and without Device Tree: Tested-by: Tomasz Figa <tomasz.figa@xxxxxxxxx> Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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