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path: root/drivers/mfd/ab8500-core.c
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2019-01-03mfd: ab8500-core: Return zero in get_register_interruptible()Dan Carpenter
This function is supposed to return zero on success or negative error codes on error. Unfortunately, there is a bug so it sometimes returns non-zero, positive numbers on success. I noticed this bug during review and I can't test it. It does appear that the return is sometimes propogated back to _regmap_read() where all non-zero returns are treated as failure so this may affect run time. Fixes: 47c1697508f2 ("mfd: Align ab8500 with the abx500 interface") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-05mfd: ab8500-core: Constify attribute_group structuresArvind Yadav
attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 16298 1009 184 17491 4453 drivers/mfd/ab8500-core.o File size After adding 'const': text data bss dec hex filename 16490 817 184 17491 4453 drivers/mfd/ab8500-core.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-02-13mfd: ab8500-core: Rename clock device and compatibleLinus Walleij
We didn't have proper device tree bindings for this clock, I standardized it to use the exact chipname so let's rename it "ab8500-clk" and rectify the device tree compatible string to "stericsson,ab8500-clk". Cc: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: ab8500-core: Make it explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We replace module.h with moduleparam.h ; the latter since this file was implicitly relying on getting it. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-07-12mfd: db8500 stop passing around platform dataArnd Bergmann
Except for the constant DB8500_PRCMU_FW_VERSION_OFFSET number, nothing is ever passed through the platform data and used in a driver, so we can simply stop passing it around. Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-01-14mfd: ab8500-core: Fix many warnings reported by CheckpatchLee Jones
WARNING: Block comments use a trailing */ on a separate line + * */ WARNING: Block comments use a trailing */ on a separate line + * bank on higher 8 bits and reg in lower */ WARNING: Block comments use a trailing */ on a separate line + * bank on higher 8 bits and reg in lower */ WARNING: suspect code indent for conditional statements (8, 24) + if (unlikely(*offset == 17)) + *offset = 24; WARNING: suspect code indent for conditional statements (8, 24) + if (unlikely(*offset == 16)) + *offset = 25; WARNING: suspect code indent for conditional statements (8, 24) + if ((i == 3) && (*offset >= 24)) + *offset += 2; WARNING: ENOSYS means 'invalid syscall nr' and nothing else + return -ENOSYS; WARNING: static const char * array should probably be static const char * const + static const char *switch_off_status[] = { WARNING: static const char * array should probably be static const char * const + static const char *turn_on_status[] = { total: 0 errors, 9 warnings, 1867 lines checked Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-12-04mfd: ab8500: Delete static IRQ resourcesLinus Walleij
The platforms that use the AB8500 define all IRQ resources in the device tree and they are automatically populated by matching the .of_compatible string. These static resources are just surplus baggage these days. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-08-11mfd: Kill off set_irq_flags usageRob Herring
set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-22mfd: Constify regmap and irq configuration dataKrzysztof Kozlowski
Constify in various drivers configuration data which is not modified: - regmap_irq_chip, - individual regmap_irq's in array, - regmap_config, - irq_domain_ops, Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-10-20mfd: drop owner assignment from platform_driversWolfram Sang
A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-08-20mfd: ab8500-core: Use 'ifdef' for config optionsFabio Estevam
The config symbol 'CONFIG_DEBUG_FS' should be protected by a 'ifdef' instead of a plain 'if'. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-07-09mfd: ab8500-core: Resolve code style issuesLee Jones
Soothes the following checkpatch warnings: WARNING: line over 80 characters #151: FILE: drivers/mfd/ab8500-core.c:151: + 0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23, ERROR: spaces required around that '=' (ctx:VxW) #325: FILE: drivers/mfd/ab8500-core.c:325: + ret= mask_and_set_register_interruptible(ab8500, bank, reg, ^ WARNING: line over 80 characters #418: FILE: drivers/mfd/ab8500-core.c:418: + else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R) WARNING: line over 80 characters #420: FILE: drivers/mfd/ab8500-core.c:420: + else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R) ERROR: spaces required around that '==' (ctx:VxV) #454: FILE: drivers/mfd/ab8500-core.c:454: + if ((i==3) && (*offset >= 24)) ^ ERROR: code indent should use tabs where possible #576: FILE: drivers/mfd/ab8500-core.c:576: + .map = ab8500_irq_map,$ WARNING: please, no spaces at the start of a line #576: FILE: drivers/mfd/ab8500-core.c:576: + .map = ab8500_irq_map,$ ERROR: code indent should use tabs where possible #577: FILE: drivers/mfd/ab8500-core.c:577: + .xlate = irq_domain_xlate_twocell,$ WARNING: please, no spaces at the start of a line #577: FILE: drivers/mfd/ab8500-core.c:577: + .xlate = irq_domain_xlate_twocell,$ WARNING: char * array declaration might be better as static const #1554: FILE: drivers/mfd/ab8500-core.c:1554: + static char *switch_off_status[] = { WARNING: char * array declaration might be better as static const #1563: FILE: drivers/mfd/ab8500-core.c:1563: + static char *turn_on_status[] = { WARNING: sizeof *ab8500 should be sizeof(*ab8500) #1582: FILE: drivers/mfd/ab8500-core.c:1582: + ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL); ERROR: space required after that close brace '}' #1639: FILE: drivers/mfd/ab8500-core.c:1639: + }/* Configure AB8500 or AB9540 IRQ */ WARNING: line over 80 characters #1652: FILE: drivers/mfd/ab8500-core.c:1652: + ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); WARNING: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ... #1677: FILE: drivers/mfd/ab8500-core.c:1677: + printk(KERN_CONT " \"%s\"", WARNING: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ... #1682: FILE: drivers/mfd/ab8500-core.c:1682: + printk(KERN_CONT "\n"); WARNING: Prefer [subsystem eg: netdev]_cont([subsystem]dev, ... then dev_cont(dev, ... then pr_cont(... to printk(KERN_CONT ... #1684: FILE: drivers/mfd/ab8500-core.c:1684: + printk(KERN_CONT " None\n"); WARNING: printk() should include KERN_ facility level #1695: FILE: drivers/mfd/ab8500-core.c:1695: + printk("\"%s\" ", turn_on_status[i]); WARNING: printk() should include KERN_ facility level #1700: FILE: drivers/mfd/ab8500-core.c:1700: + printk("None\n"); total: 5 errors, 14 warnings, 1869 lines checked Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-07-09mfd: ab8500-core: Remove pointless else in if statementLee Jones
Save a line of code (albeit, it's replaced by a blank line, but still), as the else is superfluous. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-06-26mfd: ab8500: Fix dt irq mappingGrygorii Strashko
The AD8500 defines itself as interrupt-controller in DT, but it doesn't assign DT node to IRQ domain when creates it. As result, of_irq_xx() helpers don't work because they can't find necessary IRQ domain. Hence, fix it by assigning AD8500 core device DT node to IRQ domain when it's created. This patch fixes STE u8500 Snowball boot failure reported by Kevin Hilman https://lkml.org/lkml/2014/5/27/624 Reported-and-tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-03-04mfd: dbx500/abx500: root out hardcoded IRQ assignmentsLinus Walleij
The DBx500 and ABx500 should be getting their IRQs from the device tree and nowhere else. Get rid of all the static assignments everywhere, delete it from the driver, platform data and the board files in one swift strike. Lots of cross-dependencies in the MFD drivers for PRCMU and AB8500 makes it necessary to strike everywhere at once to eradicate IRQs passed as resources and platform data to the left and right around the platform. Cc: Mark Brown <broonie@kernel.org> Cc: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-21mfd: ab8500: Use irqdomain to map interruptsLinus Walleij
All subdrivers use the irqdomain to demux AB8500 IRQs but here in the hierarchical path we find a leftover instance using the hard-coded IRQ base. Convert it to use irqdomain with a oneliner. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-06mfd: Constify struct mfd_cell where possibleGeert Uytterhoeven
As of commit 03e361b25ee8dfb1fd9b890072c23c4aae01c6c7 ("mfd: Stop setting refcounting pointers in original mfd_cell arrays"), the "cell" parameter of mfd_add_devices() is "const" again. Hence make all cell data passed to mfd_add_devices() const where possible. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-06-13mfd: ab8500-core: Add AB8500 external regulators as MFD devicesLee Jones
The AB8500 external regulator driver is now a device in its own right, so it requires registering and probing in the normal way. This patch will ensure the driver is probed once registered for all devices which support them. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-06-13mfd: ab8500-core: Add of_compatible property for ab8500-codecFabio Baltieri
Add of_compatible string to the ab8500-codec cell to allow the driver to grab handlers such as regulators from device-tree when available. Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-06-13mfd: ab8500-core: Add device for new RTC version for AB8540 cut2Alexandre Torgue
AB8540 RTC have changed between AB8540_cut1 and AB8540_cut2.Different ressources to define for those two version. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Julien Delacou <julien.delacou@stericsson.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-06-13mfd: ab8500-core: Drop references to ab8500-ledsLee Jones
The ab8500-leds driver has never been upstreamed and was replaced by a PWM framework based driver, so these references are not needed anymore. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-05-17mfd: ab8500-core: Pass GPADC compatible string to MFD coreLee Jones
When booting with Device Tree enabled the MFD core uses each device's compatible string to find and allocate its associated of_node pointer, which in turn is passed to the driver via the platform_device struct. Without it, the driver won't be able to interrogate the Device Tree or locate suitable regulators and will most likely fail to probe. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-05-17mfd: ab8500-core: Use the correct driver name when enabling gpio/pinctrlLee Jones
When we're using Device Tree to enable GPIO drivers we're forced to be OS agnostic, thus we are forbidden use names like pinctrl as they are specific only to Linux, at least for the time being. However, when we are registering devices using internal systems such as MFD or platform registration, we can use such terminology. In this case we can and should use the platform device ID mechanism to specify which device we wish to utilise by detailing pinctrl-<device_name>. This patch fixes a regression that when booting with Device Tree enabled the ABx500 GPIO/Pinctrl devices are not probed. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-05-17mfd: ab8500: Pass AB8500 IRQ to debugfs code by resourceLinus Walleij
The AB8500 debug code which was merged in parallell with the multiplatform work incidentally introduced a new instance using the <mach/irqs.h> header which is now deleted, causing this build regression: drivers/mfd/ab8500-debugfs.c:95:23: fatal error: mach/irqs.h: No such file or directory compilation terminated. make[4]: *** [drivers/mfd/ab8500-debugfs.o] Error 1 The code most certainly never worked with device tree either since that does not rely on this kind of hard-coded interrupt numbers. Fix the problem at the root by passing it as a named resource from the ab8500-core driver. Use an untyped resource to stop the MFD core from remapping this IRQ relative to the AB8500 irqdomain. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-09mfd: ab8500-core: Add of_compatilbe property for ab8500-usbFabio Baltieri
Add of_comptabile string to the ab8500-usb cell to allow the driver to grab properties from device-tree when available. Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-09mfd: ab8500-core: Ignore masked out interruptsFabio Baltieri
AB8500 asserts LATCH bits for masked out interrupts. This patch explicitly masks those out using the cached mask value to prevent handle_nested_irq() being called for masked IRQ on the same register as unmasked ones. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07ab8500-fg: Add power cut feature for ab8505 and ab8540Lee Jones
Add support for a power cut feature which allows user to configure when ab8505 and ab8540 based platforms should shut down system due to low battery. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2013-03-07mfd: ab8500-core: Hierarchical interrupt registersDariusz Szymczak
Make use of the hierarchical interrupt rergister called ITLatchHier1 - 3 also for the 8500 platform (currently the hierarchical interrupt registers are used only for the 8540 and 9540 platforms). This will make the interrupt routing go faster since fewer i2c reads need to made in the most common cases. Signed-off-by: Dariusz Szymczak <dariusz.xd.szymczak@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Add abx500-clk as an mfd child deviceUlf Hansson
Hierarchically, the abx500-clk shall be considered as a child of the ab8500 core. The abx500-clk is intiated at arch init and thus the clks will be available when clients needs them. Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Reviewed-by: Patrice CHOTARD <patrice.chotard@stericsson.com> Reviewed-by: Gabriel FERNANDEZ <gabriel.fernandez@stericsson.com> Reviewed-by: Philippe BEGNIC <philippe.begnic@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Show turn on status at bootMattias Wallin
Several states can be detected when a device is initially turned on. This patch displays these states in the log. If none of the states are true, then we report that too. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Add additional resources to ab8505_iddet_resourcesLee Jones
Add VBUS_DET_R, VBUS_DET_F IRQ, ID_DET_PLUGR and ID_DET_PLUGF IRQ information to ab8505_iddet_resources. These are required to get interrupts for AB8505 cut-2. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-debugfs: Add tests for ab8540 based platform initialisationsLee Jones
Signed-off-by: Alexandre Torgue <alexandre.torgue@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com> Reviewed-by: Mattias WALLIN <mattias.wallin@stericsson.com> Tested-by: Maxime COQUELIN <maxime.coquelin@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Add Interrupt support for ab8540Lee Jones
ITSource/ITLatch 7, 8, 9 and 10 don't exist on AB8540. This patch replaces them with '-1' in the interrupt list, and handles the '-1' in the code accordingly. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Rework MFD sub-device initialisation structuresLee Jones
Here we're separating Battery Management devices into their own structure, removing the common device structure & redistribute them amongst the individual platform structs and completing the population of them. Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: Add ADC support for ab8540Lee Jones
Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-core: APE Interrupts are not clearedLee Jones
There are missing register descriptions from the AB8505 user manual and these need to be masked so that the APEINT line can toggle. This patch also affects the behaviour of AB9540. Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Maxime COQUELIN <maxime.coquelin@stericsson.com> Reviewed-by: Alexandre TORGUE <alexandre.torgue@stericsson.com> Reviewed-by: Mattias WALLIN <mattias.wallin@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-03-07mfd: ab8500-sysctrl: Update correct turn on statusRajkumar Kasirajan
In L9540, turn_on_status register is not updated correctly if the device is rebooted with AC/USB charger connected. Due to this, the device boots android instead of entering into charge only mode. Read the AC/USB status register to detect the charger presence and update the turn on status manually. Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com> Signed-off-by: Per Forlin <per.forlin@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Rupesh KUMAR <rupesh.kumar@stericsson.com> Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Tested-by: Rupesh KUMAR <rupesh.kumar@stericsson.com> Tested-by: Philippe LANGLAIS <philippe.langlais@stericsson.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-24Merge tag 'mfd-3.9-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 Pull MFS updates from Samuel Ortiz: "This is the MFD pull request for the 3.9 merge window. No new drivers this time, but a bunch of fairly big cleanups: - Roger Quadros worked on a OMAP USBHS and TLL platform data consolidation, OMAP5 support and clock management code cleanup. - The first step of a major sync for the ab8500 driver from Lee Jones. In particular, the debugfs and the sysct interfaces got extended and improved. - Peter Ujfalusi sent a nice patchset for cleaning and fixing the twl-core driver, with a much needed module id lookup code improvement. - The regular wm5102 and arizona cleanups and fixes from Mark Brown. - Laxman Dewangan extended the palmas APIs in order to implement the palmas GPIO and rt drivers. - Laxman also added DT support for the tps65090 driver. - The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra and Darren Hart. - Linus Walleij patchset for the ab8500 driver allowed ab8500 and ab9540 based devices to switch to the new abx500 pin-ctrl driver. - The max8925 now has device tree and irqdomain support thanks to Qing Xu. - The recently added rtsx driver got a few cleanups and fixes for a better card detection code path and now also supports the RTS5227 chipset, thanks to Wei Wang and Roger Tseng." * tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (109 commits) mfd: lpc_ich: Use devres API to allocate private data mfd: lpc_ich: Add Device IDs for Intel Wellsburg PCH mfd: lpc_sch: Accomodate partial population of the MFD devices mfd: da9052-i2c: Staticize da9052_i2c_fix() mfd: syscon: Fix sparse warning mfd: twl-core: Fix kernel panic on boot mfd: rtsx: Fix issue that booting OS with SD card inserted mfd: ab8500: Fix compile error mfd: Add missing GENERIC_HARDIRQS dependecies Documentation: Add docs for max8925 dt mfd: max8925: Add dts mfd: max8925: Support dt for backlight mfd: max8925: Fix onkey driver irq base mfd: max8925: Fix mfd device register failure mfd: max8925: Add irqdomain for dt mfd: vexpress: Allow vexpress-sysreg to self-initialise mfd: rtsx: Support RTS5227 mfd: rtsx: Implement driving adjustment to device-dependent callbacks mfd: vexpress: Add pseudo-GPIO based LEDs mfd: ab8500: Rename ab8500 to abx500 for hwmon driver ...
2013-02-20Merge tag 'for-v3.9' of git://git.infradead.org/battery-2.6Linus Torvalds
Pull battery updates from Anton Vorontsov: "Four new drivers: - goldfish_battery: This is Android Emulator battery driver. Originally from Google, but Intel folks reshaped it for mainline - pm2301_charger: A new driver for ST-Ericsson 2301 Power Management chip, uses AB8500 battery management core - qnap-poweroff: The driver adds poweroff functionality for QNAP NAS boxes - restart-poweroff: A generic driver that implements 'power off by restarting'. The actual poweroff functionality is implemented through a bootloader, so Linux' task is just to restart the box. The driver is useful on Buffalo Linkstation LS-XHL and LS-CHLv2 boards. Andrew Lunn worked on submitting the driver (as well as qnap-poweroff above). Additionally: - A lot of fixes for ab8500 drivers. This is a part of efforts of syncing internal ST-Ericsson development tree with the mainline. Lee Jones @ Linaro worked on compilation and reshaping these series. - New health properties for the power supplies: "Watchdog timer expire" and "Safety timer expire" - As usual, a bunch of fixes/cleanups here and there" * tag 'for-v3.9' of git://git.infradead.org/battery-2.6: (81 commits) bq2415x_charger: Add support for offline and 100mA mode generic-adc-battery: Fix forever loop in gab_remove() goldfish_battery: Add missing GENERIC_HARDIRQS dependency da9030_battery: Include notifier.h bq27x00_battery: Fix reporting battery temperature power/reset: Remove newly introduced __dev* annotations lp8727_charger: Small cleanup in naming ab8500_btemp: Demote initcall sequence ds2782_battery: Add power_supply_changed() calls for proper uevent support power: Add battery driver for goldfish emulator u8500-charger: Delay for USB enumeration ab8500-bm: Remove individual [charger|btemp|fg|chargalg] pdata structures ab8500-charger: Do not touch VBUSOVV bits ab8500-fg: Use correct battery charge full design pm2301: LPN mode control support pm2301: Enable vbat low monitoring ab8500-bm: Flush all work queues before suspending ab8500-fg: Go to INIT_RECOVERY when charger removed ab8500-charger: Add support for autopower on AB8505 and AB9540 abx500-chargalg: Add new sysfs interface to get current charge status ... Fix up fairly straightforward conflicts in the ab8500 driver. But since it seems to be ARM-specific, I can't even compile-test the result..
2013-02-14Merge branch 'abx500-pinctrl-for-mfd' of ↵Samuel Ortiz
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl into for-next Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-14Merge branch 'for-mfd' of git://git.linaro.org/people/ljones/linux-3.0-ux500 ↵Samuel Ortiz
into for-next Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-14mfd: ab8500: Rename ab8500 to abx500 for hwmon driverHongbo Zhang
We are using a generic abx500 hwmon layer, so rename specific ab8500 to generic abx500 for hwmon device and driver matching. Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-02-08mfd: ab8500: allow AB9540 based devices to use ABX500 pinctrlLee Jones
The old AB8500 GPIO driver has been un-BROKEN and converted into a multi-platform pinctrl driver. If any AB9540 based devices wish to request any GPIO pins that it offers, they can after this patch. Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-08mfd: ab8500: ensure new AB8500 pinctrl driver is probed correctlyLee Jones
The old, BROKEN AB8500 GPIO driver has been revamped as a shiny new pinctrl driver and has been renamed as such. So, if we would like to make use of it, we need to register it via its new name. Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-08mfd: ab8500: provide a irq_set_type() functionLee Jones
In the AB8500 IRQ mask and unmask functions, we rely on testing for IRQ_TYPE_EDGE_RISING and IRQ_TYPE_EDGE_FALLING interrupts to physically mask and unmask the correct interrupt lines. In order for us to do that, the trigger needs to be set in the associated flags. However, unless a irq_set_type() function pointer is passed when registering the IRQ chip, the IRQ subsystem will refuse to do it. For that reason, we're providing one. Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-08mfd: ab8500: actually handle the AB8500 GPIO IRQs correctlyLinus Walleij
The patch: "mfd: ab8500: prepare to handle AB8500 GPIO's IRQs correctly" altered the AB8500 IRQ mask/unmask functions such that they would handle masking on/off the falling edge IRQ if this was requested by the consumer. However the bit mask for hwirqs 43 and 44 was shifting the bit mask incorrectly, resulting in the wrong IRQ being mased/unmasked. Further while the patch would mask/unmask the correct line, when the interrupt actually came in, it would still be treated as a valid hwirq. The offsetting applied when masking/unmasking was not applied when handling the IRQ, i.e. the falling edge lines were not routed back to the rising edge lines. This fixes both cases. The end result has been tested with the SIM detect IRQ, GPIO12, hwirq 46 and 62. Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
2013-02-08mfd: ab8500: prepare to handle AB8500 GPIO's IRQs correctlyLee Jones
In an upcoming patch, the gpio-ab8500 driver will relinquish all IRQ handling capability and pass it back into the AB8500 core driver. This will aid in reducing massive code duplication within the kernel. Also, most of the functionality is already in the AB8500 core driver, as the GPIO IRQs are actually sandwiched between lots of other IRQs which the core driver already handles. All we're doing here is providing the core driver with knowledge that each GPIO has two IRQs assigned to it; one for rising and a separate one for falling. Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-02-04mfd: ab8500-debugfs: Add interrupt debugBengt Jonsson
This patch adds an entry in debugfs to check number of interrupts from the AB. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com> Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
2013-02-04mfd: ab8500-core: Allow the possibility to dump all AB8500 registersMian Yousaf Kaukab
Implement an API so that a user may dump all AB8500 registers via debugfs file access. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> Reviewed-by: Linus WALLEIJ <linus.walleij@stericsson.com> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
2013-01-23u8500-charger: Delay for USB enumerationPaer-Olof Haakansson
If charging is started before USB enumeration of an Accessory Charger Adapter has finished, the AB8500 will generate a VBUS_ERROR. This in turn results in timeouts and delays the enumeration with around 15 seconds. This patch delays the charging and then ramps currents slowly to avoid VBUS errors. The delay allows the enumeration to have finished before charging is turned on. Signed-off-by: Martin Sjoblom <martin.w.sjoblom@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 12:40:21 +0000