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2012-07-23MIPS: Octeon: Add device tree source files.David Daney
The two device tree files octeon_3xxx.dts and octeon_68xx.dts are trimmed by code in a subsequent patch to reflect the hardware actually present on the board. To this end several properties that are not part of the declared bindings are added to aid in trimming off unwanted nodes. Since the device tree and the code that trims it are bound into the kernel binary, these 'marker' properties never escape into the wild, and are purely an implementation detail of the kernel early boot process. This is done for backwards compatibility with existing boards (identified by a board type enumeration value by their bootloaders). New boards will always pass a device tree from the bootloader, the built-in trees are ignored in this case. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: devicetree-discuss@lists.ozlabs.org Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: linux-kernel@vger.kernel.org Cc: David Daney <david.daney@cavium.com> Patchwork: https://patchwork.linux-mips.org/patch/3937/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23of/lib: Allow scripts/dtc/libfdt to be used from kernel codeDavid Daney
libfdt is part of the device tree support in scripts/dtc/libfdt. For some platforms that use the Device Tree, we want to be able to edit the flattened device tree form. We don't want to burden kernel builds that do not require it, so we gate compilation of libfdt files with CONFIG_LIBFDT. So if it is needed, you need to do this in your Kconfig: select LIBFDT And in the Makefile of the code using libfdt something like: ccflags-y := -I$(src)/../../../scripts/dtc/libfdt Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: devicetree-discuss@lists.ozlabs.org Cc: Grant Likely <grant.likely@secretlab.ca> Cc: linux-kernel@vger.kernel.org Acked-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: OCTEON: Consolidate the edge and level irq_chip structures.David Daney
We can consolidate octeon_irq_chip_ciu_edge and octeon_irq_chip_ciu as they only differ in the .irq_ack element, and that is unused by the level handler. This gets rid of a bunch of duplicate definitions. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3931/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: OCTEON: Remove unneeded OCTEON_IRQ_* defines.David Daney
The follow-on patch to add irq_domain support will be the supported method for using these irq lines, so get these defines out of the way in preperation for that. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3930/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: Octeon: Remove use of OCTEON_IRQ_RST.David Daney
This symbol will be removed, so don't use it as part of the definition of OCTEON_IRQ_LAST. Set OCTEON_IRQ_LAST to 127 so there is space for all the automatically allocated (via irq_domain) irqs. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3946/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: Octeon: Add irq handlers for GPIO interrupts.David Daney
This is needed for follow-on on patches for Octeon to use the Device Tree to configure GPIO interrupts. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3932/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: OCTEON: Remove some unused files.David Daney
These FPA related files are not used anywhere in the kernel. Remove them. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3892/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Make board setup code register the spi platform deviceFlorian Fainelli
Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3317/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Add stub to register the SPI platform driverFlorian Fainelli
This patch adds the necessary stub to register the SPI platform driver. Since the registers are shuffled between the 4 BCM63xx CPUs supported by this SPI driver we also need to generate the internal register layout and export this layout for the driver to use it properly. Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3321/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Define internal registers offsets of the SPI controllerFlorian Fainelli
BCM6338, BCM6348, BCM6358 and BCM6368 basically use the same SPI controller though the internal registers are shuffled, which still allows a common driver to drive that IP block. Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3318/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Remove SPI2 registerFlorian Fainelli
This register was introduced with the support of the BCM6368 CPU in the idea that its internal layout was different from the other CPUs SPI controller. The controller is actually the same as the one present on BCM6358 so we can remove this register and use the usual SPI register instead. Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3316/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Define SPI register sizes.Florian Fainelli
There are two distinct sizes for the SPI register depending on the SoC generation (6338 & 6348 vs 6358 & 6368). Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3314/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Add BCM6368 SPI clock maskFlorian Fainelli
Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3319/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Define BCM6358 SPI base addressFlorian Fainelli
Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3315/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63xx: Add IRQ_SPI and CPU specific SPI IRQ valuesFlorian Fainelli
Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: grant.likely@secretlab.ca Cc: spi-devel-general@lists.sourceforge.net Patchwork: https://patchwork.linux-mips.org/patch/3320/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: BCM63XX: Be consistent in clock bits enable namingFlorian Fainelli
Remove the _CLK suffix from the BCM6368 clock bits definitions to be consistent with what is already present. Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3312/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: Alchemy: handle db1200 cpld ints as they come inManuel Lauss
Remove the loop in the cascade handler and instead unconditionally handle just the first set interrupt coming from the CPLD. This gets rid of a lot of spurious interrupts being triggered for the SMSC91111 ethernet chip especially under high(er) IDE load: "eth0: spurious interrupt (mask = 0xb3)" Verified on DB1200 and DB1300. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3288/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: Alchemy: devboards: kill prom.cManuel Lauss
move contents to already existing platform.c file. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3287/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23MIPS: Alchemy: use 64MB RAM as minimum for devboardsManuel Lauss
YAMON on all devboards provides the "memsize" envvar; in the unlikely case that it can't be parsed just assume 64MB, which all boards have at least. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3286/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23Merge tag 'asoc-3.6' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next ASoC: Additional updates for 3.6 A few more fixes for 3.6, some of which are relatively important - they've all been in -next for at least some time. - DAPM fixes for the recent locking changes. - Fix for _PRE and _POST widgets (which have been broken for a few releases now). - A couple of minor driver updates.
2012-07-23pwm: fix used-uninitialized warning in pwm_get()Thierry Reding
Some versions of GCC don't seem no notice that the initialization of the index variable is tied to that of the chip variable and falsely report it as potentially being used uninitialized. However, to save anybody else from tripping over this, we now initialize the index variable unconditionally. Originally-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: add lpc32xx PWM supportAlexandre Pereira da Silva
Add lpc32xx SOC PWM driver. Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm_backlight: pass correct brightness to callbackAlexandre Courbot
pwm_backlight_update_status calls the notify() and notify_after() callbacks before and after applying the new PWM settings. However, if brightness levels are used, the brightness value will be changed from the index into the levels array to the PWM duty cycle length before being passed to notify_after(), which results in inconsistent behavior. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Use pr_* functions in pwm-samsung.c fileSachin Kamat
Replace printk with pr_* functions to avoid checkpatch warnings. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Convert pwm-samsung to use devm_* APIsAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Convert pwm-tegra to use devm_clk_get()Axel Lin
Also return proper error in tegra_pwm_remove() if pwmchip_remove() fails. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pwm-mxs: Return proper error if pwmchip_remove() failsAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pwm-bfin: Return proper error if pwmchip_remove() failsAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pxa: Propagate pwmchip_remove() errorThierry Reding
If the pwmchip_remove() call fails, propagate the error to the driver's remove callback. This is required to prevent the module from being unloaded if a PWM provided by the driver is still in use. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Convert pwm-pxa to use devm_* APIsAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Convert pwm-vt8500 to use devm_* APIsAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Convert pwm-imx to use devm_* APIsAxel Lin
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Conflict with legacy PWM APIThierry Reding
In order to avoid duplicate symbols with legacy PWM API implementations, the new PWM framework needs to conflict with any of the existing legacy implementations. This is done in two ways: for implementations provided by drivers, a conflict is added to the driver to ensure it will have to be ported to the PWM subsystem before it can coexist with other PWM providers. For architecture-specific code, the conflict is added to the PWM symbol to avoid confusion when a previously picked platform or machine can no longer be selected because of the PWM subsystem being included. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pwm-mxs: add pinctrl supportShawn Guo
Call pinctrl subsystem to set up pwm pin. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pwm-mxs: use devm_* managed functionsShawn Guo
Use devm_* managed functions to have a clean fail-out. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pwm-mxs: use global reset function stmp_reset_blockShawn Guo
Use global reset function stmp_reset_block instead of mxs_reset_block to remove <mach/common.h> inclusion. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: pwm-mxs: encode soc name in compatible stringShawn Guo
Encode soc name in the compatible string to know the specific version hardware block. This is the general approach adopted for most bindings. Change mxs-pwm binding to use the approach. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm: Take over maintainership of the PWM subsystemThierry Reding
I'm taking over the maintainership of the PWM subsystem. This commit also adds the URLs to the gitorious project and repository as well as any missing files related to the PWM subsystem. Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23pwm-backlight: Add rudimentary device tree supportThierry Reding
This commit adds very basic support for device tree probing. Currently, only a PWM and a list of distinct brightness levels can be specified. Enabling or disabling backlight power via GPIOs is not yet supported. Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
2012-07-23watchdog: orion_wdt: Convert driver to watchdog coreAxel Lin
Convert orion_wdt driver to use watchdog framework API. Signed-off-by: Axel Lin <axel.lin@gmail.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: s3c2410_wdt: Use module_platform_driver()Sachin Kamat
module_platform_driver() replaces module_init() and module_exit() and makes the code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: sch311x_wdt: Fix Polarity when starting watchdogWim Van Sebroeck
Some motherboards like the Advantech ARK3400 documentation use a non-inverted GPIO pin. We fix this by assuming that the BIOS will set the Polarity bit for the GPIO correctly at startup and we keep the Bit-setting intact when we start and stop the watchdog. Reported-by: Jean-François Deverge <jf.deverge@gmail.com> Signed-off-by: Dave Mueller <d.mueller@elsoft.ch> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23Watchdog: OMAP: Fix the runtime pm code to avoid module getting stuck ↵Lokesh Vutla
intransition state. OMAP watchdog driver is adapted to runtime PM like a general device driver but it is not appropriate. It is causing couple of functional issues. 1. On OMAP4 SYSCLK can't be gated, because of issue with WDTIMER2 module, which constantly stays in "in transition" state. Value of register CM_WKUP_WDTIMER2_CLKCTRL is always 0x00010000 in this case. Issue occurs immediately after first idle, when hwmod framework tries to disable WDTIMER2 functional clock - "wd_timer2_fck". After this module falls to "in transition" state, and SYSCLK gating is blocked. 2. Due to runtime PM, watchdog timer may be completely disabled. In current code base watchdog timer is not disabled only because of issue 1. Otherwise state of WDTIMER2 module will be "Disabled", and there will be no interrupts from omap_wdt. In other words watchdog will not work at all. Watchdong is a special IP and it should not be disabled otherwise purpose of it itself is defeated. Watchdog functional clock should never be disabled. This patch updates the runtime PM handling in driver so that runtime PM is limited only during probe/shutdown and suspend/resume. The patch fixes issue 1 and 2 Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: ie6xx_wdt: section mismatch in ie6xx_wdt_probe()Gerard Snitselaar
ie6xx_wdt_probe() calls ie6xx_wdt_debugfs_exit() as part of it's error cleanup path, and ie6xx_wdt_debugfs_exit() is currently annotated __devexit. Signed-off-by: Gerard Snitselaar <dev@snitselaar.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: bcm63xx_wdt: fix driver section mismatchFlorian Fainelli
bcm63xx_wdt was used as a platform_driver but was not suffixed with _driver, thus causing section mismatches, fix that. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: iTCO_wdt.c: convert to watchdog coreWim Van Sebroeck
This patch converts the iTCO_wdt watchdog driver to use the generic watchdog framework. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23char/ipmi: remove local ioctl defines replaced by generic onesOskar Schirmer
This watchdog driver had ioctl defines introduced locally for pre timeout handling, marked to be removed as soon as a generic replacement would become available. The latter has actually occurred in 2006, at e05b59fe. Remove the local duplicates for pre timeout handling. Signed-off-by: Oskar Schirmer <oskar@scara.com> Acked-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2012-07-23watchdog: xilinx: Read clock frequency directly from DT nodeMichal Simek
Do not use clock-frequency property from parent node. Use it from watchdog node. Signed-off-by: Michal Simek <monstr@monstr.eu> Acked-By: Alejandro Cabrera <acabrera@udio.cujae.edu.cu> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: coh901327_wdt: use clk_prepare/unprepareLinus Walleij
Make sure we prepare/unprepare the COH901327 watchdog timer as is required by the clk API especially if you use common clock. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by : Pankaj Jangra <jangra.pankaj9@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23watchdog: f71808e_wdt: Add support for Jetway JNF99 motherboardJustin Wheeler
The Jetway JNF99 motherboard features a F71869 SuperIO chip, but its watchdog chipset ID appears to be 1007 (as opposed to 0814). Some testing confirmed it behaves the exact same as 0814. So add this chipset ID to the module's ID list so that the Fintek watchdog driver can correctly identify and access it. Signed-off-by: Justin Wheeler <jwheeler@datademons.com> Acked-by: Giel van Schijndel <me@mortis.eu> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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