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* headers: remove sched.h from interrupt.hAlexey Dobriyan2009-10-11
| | | | | | | | After m68k's task_thread_info() doesn't refer to current, it's possible to remove sched.h from interrupt.h and not break m68k! Many thanks to Heiko Carstens for allowing this. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
* s3cmci: add better support for no card detect or write protect availableBen Dooks2009-10-01
| | | | | | | | | | | | | | | Add better support for omitting either the card detect or the write protect GPIOs if the board does not support it. Add the fields no_wprotect and no_detect to the platform data which when set indicate the absence of the respective GPIOs. Note, this also fixes a minor bug where it tries to free IRQ0 if there is no detect gpio available. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* s3cmci: Kconfig selection for PIO/DMA/BothBen Dooks2009-10-01
| | | | | | | | | | | | | | Add a selection for the data transfer mode of the s3cmci driver, allowing for either a configuration or rumtime selection of the use of the DMA or PIO transfer code. The PIO only mode is 476 bytes smaller than the driver with both methods compiled in. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'master' into develRussell King2009-09-12
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| * ARM: S3C24XX: Fix clkout mpx errorDavide Rizzo2009-08-13
| | | | | | | | | | | | | | | | Bug correction: CLK Outputs cannot have XTAL as parent Signed-off-by: Davide Rizzo <elpa.rizzo@gmail.com> [ben-linux@fluff.org: updated patch subject] Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * ARM: S3C: PWM fix for low duty cyclePeter Korsgaard2009-07-30
| | | | | | | | | | | | | | | | | | | | | | The pwm hardware only checks the compare register after a decrement, so the pin never toggles if tcmp = tcnt. This happens when a very low duty cycle is requested. Fix it by always ensuring that tcmp < tcnt. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | ARM: S3C: Add S3C_DEV_NAND Kconfig entryBen Dooks2009-08-16
| | | | | | | | | | | | | | | | | | | | | | | | Currently the S5PC100 does not define S3C_PA_NAND, leaving the NAND device definitions in arch/arm/plat-s3c/dev-nand.c unbuildable. Add a KConfig entry to select whether this is built. As backwards compatibility, both the S3C24XX and S3C64XX define the new configuration in their main Kconfig files until better support for basing this selection on a per-machine basis can be sorted out. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | Merge branch 'next-s3c64xx-moves' into next-s3cBen Dooks2009-08-14
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| * | ARM: S3C: move timer/pwm handling from plat-s3c24xx to plat-s3cPeter Korsgaard2009-07-30
| | | | | | | | | | | | | | | | | | | | | | | | The s3c64xx devices use the same hardware core as s3c24xx, so move the timer/pwm handling to plat-s3c so it can be used by both. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C: move s3c_device_nand from plat-s3c24xx to plat-s3cPeter Korsgaard2009-07-30
| |/ | | | | | | | | | | | | | | Move the s3c_device_nand platform device from plat-s3c24xx to plat-s3c, now that the nand driver also support the s3c64xx devices. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | Merge branch 'next-s3c24xx-cpufreq' into next-s3cBen Dooks2009-08-14
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| * | ARM: S3C: CPUFREQ: Add debugfs support for cpufreqBen Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add debugfs support for the cpufreq driver to allow information about the system state to be exported to the user. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C2410: Add S3C2410A sysdev.Ben Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a sysdev S3C2410A sysdev to allow the differentiation of the S3C2410A from the S3C2410. This is needed for the CPUFREQ code to enable the extra features and update cpu specific information. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C24XX: CPUFREQ: S3C2412/S3C2443 IO timing supportBen Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | Add IO bank timing support for S3C2412/S3C2443. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C2440: CPUFREQ: Add crystal frequency Kconfig entries.Ben Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add entries to select the crystal to select for each different supported board. This information is then available for anything else requiring this, such as the CPUFreq PLL tables. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C2440: CPUFREQ: Add PLL tablesBen Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | Add PLL tables for the S3C2440. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C2440: CPUFREQ: Add core support.Ben Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | Add core support for frequency scaling on the S3C2440 SoC. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C2410: CPUFREQ: Add core support.Ben Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | Add core support for frequency scaling on the S3C2410 SoC. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C2410: CPUFREQ: Add io-timing support.Ben Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | Add io-timing support for frequency scaling on the S3C2410 SoC. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C: CPUFREQ: Move struct s3c_cpufreq_config to cpu-freq-core.hBen Dooks2009-07-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | Move the structure s3c_cpufreq_config from cpu-freq.h to the less advertised cpu-freq-core.h as it is not needed by anything outside the core drivers. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C24XX: CPUFREQ: Add core support.Ben Dooks2009-07-30
| |/ | | | | | | | | | | | | | | Add the core of the support for enabling the CPUFreq driver on all S3C24XX based systems. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | Merge branch 'next-s3c24xx' into next-s3cBen Dooks2009-08-14
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| * | ARM: S3C24XX: Add SPI bus 1 on GPD8 through GPD10Ben Dooks2009-08-13
| | | | | | | | | | | | | | | | | | | | | | | | Add configuration callback for SPI bus 1 on GPD[8..10] and ensure the correct GPIO configuration register definitions in regs-gpio.h Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C24XX: Add platform device for AC97 controllerMark Brown2009-08-13
| | | | | | | | | | | | | | | | | | | | | Move the definition of the "generic" IRQ in the process. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | ARM: S3C24XX: Add FIQ IRQ routing supportBen Dooks2009-08-13
| |/ | | | | | | | | | | | | | | | | | | | | | | Add support for routing an IRQ from the normal ARM IRQ mechanism to the FIQ input of the processor. Note, also fix a bug where the init_FIQ() function has not been called when CONFIG_FIQ is enabled. Signed-off-by; Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | ARM: S3C: Add ADC synchronous read call.Ben Dooks2009-07-18
| | | | | | | | | | | | | | | | | | To add HWMON support, we need a synchronous read() call that blocks until completion. Add the client that is being service to the select and convert callbacks to make the code easier. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | ARM: S3C: Update hwmon device definition and nameBen Dooks2009-07-18
|/ | | | | | | | | | | | | | Change the hwmon device name to something more generic as this should be functional for both the s3c24xx and s3c64xx archs. Since it has yet to have a driver, it is pretty safe to change as there are no extant users. Also add the necessary entry in devs.h which seems to have been missed out at somepoint. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* [ARM] S3C24XX: Fix spi-bus configuration build errorsBen Dooks2009-06-23
| | | | | | | | | | | | | | | | | The commit ec976d6eb021dc8f2994248c310a41540f4756bd removed a number of gpio definitions from <mach/hardware.h> but misssed updating these two files: Fix the following build errors by including <linux/gpio.h>: arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c: In function 's3c24xx_spi_gpiocfg_bus1_gpg5_6_7': arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c:25: error: implicit declaration of function 's3c2410_gpio_cfgpin' arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c:28: error: implicit declaration of function 's3c2410_gpio_pullup' arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c: In function 's3c24xx_spi_gpiocfg_bus0_gpe11_12_13': arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c:25: error: implicit declaration of function 's3c2410_gpio_cfgpin' arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c:28: error: implicit declaration of function 's3c2410_gpio_pullup' Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* [ARM] S3C24XX: Fix use of CONFIG_S3C24XX_PWMBen Dooks2009-06-23
| | | | | | | | | | | | CONFIG_S3C24XX_PWM was defined in arch/arm/plat-s3c24xx/Kconfig but not used anywhere else as the corresponding makefile used CONFIG_HAVE_PWM (selected by CONFIG_S3C24XX_PWM) to compile the PWM driver. Change the makefile to use CONFIG_S3C24XX_PWM to compile this driver to ensure it is only build when needed. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* Merge branch for-rmk-devel of git://aeryn.fluff.org.uk/bjdooks/linux into develRussell King2009-06-10
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| * [ARM] S3C24XX: Merge devel-gpioBen Dooks2009-05-21
| |\ | | | | | | | | | Merge branch 'devel-gpio' into for-rmk-devel
| | * [ARM] S3C24XX: GPIO: Fix missing GPIOs in gpiolibBen Dooks2009-05-18
| | | | | | | | | | | | | | | | | | The GPG bank has 16 IOs, not 10. Add the missing GPH bank. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Move gpiolib initialisation earlierBen Dooks2009-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The arch_initcall() is too late for board initialisation to use gpiolib when doing their machine specific initilisation via the .init_machine callback. Bring the file into line with the s3c64xx implementation and use the core_initcall() to register the GPIO chips. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Fix error returns from gpio functionsBen Dooks2009-05-18
| | | | | | | | | | | | | | | | | | | | | | | | Several GPIO functions have been returning -1 to indicate an error instead of returning a proper error code. Change to return -EINVAL for invalid argument(s). Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Change to macros for GPIO numberingBen Dooks2009-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare to remove the large number of S3C2410_GPxn defines by moving to S3C2410_GPx(n) in arch/arm. The following perl was used to change the files: perl -pi~ -e 's/S3C2410_GP([A-Z])([0-9]+)([^_^0-9])/S3C2410_GP\1\(\2\)\3/g' Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Start removal of S3C24XX_GPIO_BASEBen Dooks2009-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The S3C24XX_GPIO_BASE makes it difficult to compress the GPIO number space, and is only used in a few places of which everything outside arch/arm/plat-s3c24xx/gpiolib.c will be removed as soon as possible. Change gpiolib.c to use the S3C2410_GPxCON register addresses as the base for each bank, thus eliminating S3C24XX_GPIO_BASE. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: Fix missing <linux/sysdev.h>Ben Dooks2009-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In our recent changes, arch/arm/plat-s3c24xx/gpiolib.c needs to have <linux/sysdev.h> included for it to build. This fixes the following error/warnings: arch/arm/plat-s3c/include/plat/pm.h:104: error: expected declaration specifiers or '...' before 'pm_message_t' arch/arm/plat-s3c/include/plat/pm.h:104: warning: 'struct sys_device' declared inside parameter list arch/arm/plat-s3c/include/plat/pm.h:104: warning: its scope is only this definition or declaration, which is probably not what you want arch/arm/plat-s3c/include/plat/pm.h:105: warning: 'struct sys_device' declared inside parameter list Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Move gpio functions out of <mach/hardware.h>Ben Dooks2009-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move all the gpio functions out of <mach/hardware.h> as this file is for defining the generic IO base addresses for the kernel IO calls. Make a new header <mach/gpio-fns.h> to take this and include it via the chain from <linux/gpio.h> which is what most of these files should be using (and will be changed as soon as possible). Note, this does make minor changes to some drivers but should not mess up any pending merges. CC: Richard Purdie <rpurdie@rpsys.net> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> CC: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Remove pin specific input and output definesBen Dooks2009-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The use of S3C2410_GP[A-Z]x_INP and S3C2410_GP[A-Z]x_OUTP are very rare and are taking up large amounts of space in the regs-gpio.h header. The GPIO layer has had generic input and out defines called S3C2410_GPIO_INPUT and S3C2410_GPIO_OUTPUT for a while which work for all S3C24XX GPIOs. Do the following replacements: S3C2410_GP[A-Z][0-9]*_\OUTP => S3C2410_GPIO_OUTPUT S3C2410_GP[A-Z][0-9]*_\INP => /S3C2410_GPIO_INPUT S3C2410_GPA[0-9]*_OUT => S3C2410_GPIO_OUTPUT to remove any usages of these and prepare the header for the removal of these. The following command was used to acheive this: find . -type f -writable ! -name regs-gpio.h ! -name "*~" | xargs sed -i~ -e 's/S3C2410_GP[A-Z][0-9]*_\OUTP/S3C2410_GPIO_OUTPUT/g' -e 's/S3C2410_GP[A-Z][0-9]*_\INP/S3C2410_GPIO_INPUT/g' -e 's/S3C2410_GPA[0-9]*_OUT/S3C2410_GPIO_OUTPUT/g' Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * [ARM] S3C24XX: GPIO: Remove s3c2410_gpio_irq2pin() callBen Dooks2009-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the s3c2410_gpio_irq2pin() function as it is not being used in any in kernel driver and the function is probably not being used anywhere else. This is also part of the effort to remove any of the s3c24xx gpio specific code that cannot be recreated by using the gpiolib framework now in the kernel. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | [ARM] S3C: Merge next-s3c64xx-dma2 into for-rmk-develBen Dooks2009-05-18
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge branch 'next-s3c64xx-dma2' into for-rmk-devel Conflicts: arch/arm/plat-s3c64xx/Makefile
| | * | [ARM] S3C: Move DMA channel management code to plat-s3cBen Dooks2009-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the name of S3C2410_DMA_CHANNELS to S3C_DMA_CHANNELS in the process. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * | [ARM] S3C24XX: Fix indentation in <plat/dma-regs.h>Ben Dooks2009-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The <plat/dma-regs.h> pre-date the invention of the TAB character, so fix the indentation of the register defines. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * | [ARM] S3C24XX: DMA: Split hardware regs out of <mach/dma.h>Ben Dooks2009-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The <mach/dma.h> is for the driver API for the DMA system and should not have anything relying on the CPU specific registers. Remove the registers to <plat/dma-regs.h> for the code that really needs to know about them. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * | [ARM] S3C24XX: Remove hardware specific registers from DMABen Dooks2009-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | calls The S3C24XX DMA API channel configuration registers are being passed values comprised of register values which makes it hard to move the API to cover both the S3C24XX and S3C64XX. These values can be calculated from knowing which device the channel is connected to, so remove them from the two calls s3c2410_dma_config and s3c2410_dma_devconfig. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| | * | [ARM] S3C24XX: Move plat/dma.hBen Dooks2009-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the platform dma.h to dma-plat.h to ensure it doen't get confused with plat/dma.h Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | | [ARM] S3C: ADC: Expose number of remaining conversions toNelson Castillo2009-05-16
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | convert callback This patch allow us to efficiently modify the number of remaining conversions from the client side. This us useful when we do not know in advance how many conversions we will need or when we need to cancel pending conversions. This change is simple enough to be compatible with existing code that can just define the new pointer in the callback and ignore it. Sample usage: http://tinyurl.com/s3c2410-ts-c (function stylus_adc_action). Signed-off-by: Nelson Castillo <arhuaco@freaks-unidos.net> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | [ARM] S3C: GPIO PM core GPIOlib integrationBen Dooks2009-05-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the GPIO suspend/resume support inline with the gpiolib support so that it will work with both the S3C24XX and S3C64XX series. The s3c_gpio_chip is extended to have a pm callback and a save block to keep the state of the GPIO over suspend, and the code from the s3c24xx implementation is added to a new common file. The suspend process now uses the list of registered chips to go through saving and restoring each one as appropriate, using the pm callback to select the appropriate routine depending on the type of control register present. This change also means that any additional GPIO added should not require changes to the PM. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | [ARM] S3C: Add debug to UART save and a per-arch callback pre-restoreBen Dooks2009-05-07
| | | | | | | | | | | | | | | | | | | | | | | | Add a simple debug message on saving the UART state and add a per-arch pre-restore function to be used by the s3c64xx restore code to ensure the UARTs control registers do not go through any illegal state changes. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
| * | [ARM] S3C: Rename S3C24XX_PA_USBHOST to S3C_PA_USBHOSTBen Dooks2009-05-07
| | | | | | | | | | | | | | | | | | | | | | | | The USB host base address is available on both the S3C24XX and S3C64XX ranges. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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