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* Davinci: psc - use ioremap()Cyril Chemparathy2010-05-131-2/+5
| | | | | | | | This patch modifies the psc and clock control code to use ioremap()ed registers. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* Davinci: support LPSC SwRstDisable stateCyril Chemparathy2010-05-061-2/+1
| | | | | | | | | | | | | | The current clock control code always gates the clock (PSC state Disable = 2) on clk_disable(). Some on-chip peripherals (e.g. LCD controller on TNETV107X) need to be put into SwRstDisable = 0 on clock disable, to maintain hardware sanity. This patch extends the davinci_psc_config() arguments to pass in the desired module state instead of a boolean enable/disable. Further, clk_disable() now checks for the PSC_SWRSTDISABLE clk flag before selecting the target state. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* davinci: move PSC register definitions from psc.c to psc.hSekhar Nori2010-02-041-11/+0
| | | | | | | | | | | | | | The motivation behind the change is to use the same definitions in the assembly code responsible for suspending the SoC, a part of which is to clock gate the DDR2 clock. Note that the assembly code cannot invoke the C function meant for this. The main reason being that stack in DDR2 cannot be accessed while DDR2 clock is being clock gated. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* DaVinci: remove unneeded #include'sSergei Shtylyov2009-11-251-3/+0
| | | | | | | | | | There have accumulated quite a lot of them after the code reorganizations... In several cases I had to replace #include <linux/dma-mapping.h> which wasn't needed directly but happened to #include <linux/err.h> which was needed. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* davinci: Add support for multiple PSCsMark A. Greer2009-05-261-7/+25
| | | | | | | | | | | | | | The current code to support the DaVinci Power and Sleep Controller (PSC) assumes that there is only one controller. This assumption is no longer valid so expand the support to allow greater than one PSC. To accomplish this, put the base addresses for the PSCs in the SoC infrastructure so it can be referenced by the PSC code. This also requires adding an extra parameter to davinci_psc_config() to specify the PSC that is to be enabled/disabled. Signed-off-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* davinci: PSC: Clear bits in MDCTL reg before setting new bitsMark A. Greer2009-04-271-11/+6
| | | | | | | | | | Clear any set bits in the 'NEXT' field of the MDCTL register in the Power and Sleep Controller (PSC) before setting any new bits. This also allows some minor cleanup by removing some no longer needed lines of code. Signed-off-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* davinci: add arch_ioremap() which uses existing static mappingsKevin Hilman2009-04-231-0/+2
| | | | | | | | | | | Add arch-specific ioremap() which uses any existing static mappings in place of doing a new mapping. From now on, drivers should always use ioremap() instead of IO_ADDRESS(). In addition, remove the davinci_[read|write]* macros in favor of using ioremap. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* davinci: major rework of clock, PLL, PSC infrastructureKevin Hilman2009-04-231-58/+23
| | | | | | | | | | | | | | | | | | | This is a significant rework of the low-level clock, PLL and Power Sleep Controller (PSC) implementation for the DaVinci family. The primary goal is to have better modeling if the hardware clocks and features with the aim of DVFS functionality. Highlights: - model PLLs and all PLL-derived clocks - model parent/child relationships of PLLs and clocks - convert to new clkdev layer - view clock frequency and refcount via /proc/davinci_clocks Special thanks to significant contributions and testing by David Brownell. Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2008-10-111-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (236 commits) [ARM] 5300/1: fixup spitz reset during boot [ARM] 5295/1: make ZONE_DMA optional [ARM] 5239/1: Palm Zire 72 power management support [ARM] 5298/1: Drop desc_handle_irq() [ARM] 5297/1: [KS8695] Fix two compile-time warnings [ARM] 5296/1: [KS8695] Replace macro's with trailing underscores. [ARM] pxa: allow multi-machine PCMCIA builds [ARM] pxa: add preliminary CPUFREQ support for PXA3xx [ARM] pxa: add missing ACCR bit definitions to pxa3xx-regs.h [ARM] pxa: rename cpu-pxa.c to cpufreq-pxa2xx.c [ARM] pxa/zylonite: add support for USB OHCI [ARM] ohci-pxa27x: use ioremap() and offset for register access [ARM] ohci-pxa27x: introduce pxa27x_clear_otgph() [ARM] ohci-pxa27x: use platform_get_{irq,resource} for the resource [ARM] ohci-pxa27x: move OHCI controller specific registers into the driver [ARM] ohci-pxa27x: introduce flags to avoid direct access to OHCI registers [ARM] pxa: move I2S register and bit definitions into pxa2xx-i2s.c [ARM] pxa: simplify DMA register definitions [ARM] pxa: make additional DCSR bits valid for PXA3xx [ARM] pxa: move i2c register and bit definitions into i2c-pxa.c ... Fixed up conflicts in arch/arm/mach-versatile/core.c sound/soc/pxa/pxa2xx-ac97.c sound/soc/pxa/pxa2xx-i2s.c manually.
| * [ARM] Convert asm/io.h to linux/io.hRussell King2008-09-061-1/+1
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] 5249/1: davinci: remove redundant check in davinci_psc_config()roelkluin2008-09-171-3/+0
|/ | | | | | | id is unsigned, check is redundant. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/machRussell King2008-08-071-3/+3
| | | | | | This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Remove asm/hardware.h, use asm/arch/hardware.h insteadRussell King2008-08-071-1/+1
| | | | | | | | | Remove includes of asm/hardware.h in addition to asm/arch/hardware.h. Then, since asm/hardware.h only exists to include asm/arch/hardware.h, update everything to directly include asm/arch/hardware.h and remove asm/hardware.h. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4432/5: davinci: pin mux supportVladimir Barinov2007-07-121-30/+57
| | | | | | | | Support pin multiplexing configurations driver for TI DaVinci SoC Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com> Acked-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4303/3: base kernel support for TI DaVinciKevin Hilman2007-05-111-0/+113
Add base kernel support for the TI DaVinci platform. This patch only includes interrupts, timers, CPU identification, serial support and basic power and sleep controller init. More drivers to come. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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