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* Merge tag 'mfd-for-linus-4.6' of ↵Linus Torvalds2016-03-1858-277/+3256
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "New Drivers: - Freescale Touch Screen ADC - X-Powers AXP PMIC with RSB - TI TPS65086 Power Management IC (PMIC) New Device Support: - Supply device PCI IDs for Intel Broxton Fix-ups: - Move to clkdev_create() API; intel_quark_i2c_gpio - Complete re-write of TI's TPS65912 Power Management IC (PMIC) - Remove unnecessary function argument; axp20x - Separate out bus related code; axp20x - Coding Style changes; axp20x - Allow more drivers to be compiled as modules - Work around false positive 'used uninitialised' warning; db8500-prcmu Bug Fixes: - Remove do_div(); fsl-imx25-gcq - Fix driver init when built-in; tps65010 - Fix clock-unregister leak; intel-lpss" * tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits) mfd: intel-lpss: Pass I2C configuration via properties on BXT mfd: imx6sx: Add PCIe register definitions for iomuxc gpr mfd: ipaq-micro: Use __maybe_unused to hide pm functions mfd: max77686: Add max77802 to I2C device ID table mfd: max77686: Export OF module alias information mfd: max77686: Allow driver to be built as a module mfd: stmpe: Add the proper PWM resources mfd: tps65090: Set regmap config reg counts properly mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled mfd: as3711: Set regmap config reg counts properly mfd: rc5t583: Set regmap config reg counts properly gpio: tps65086: Add GPO driver for the TPS65086 PMIC mfd: mt6397: Add platform device ID table mfd: da9063: Fix missing volatile registers in the core regmap_range volatile lists mfd: mt6397: Add MT6323 support to MT6397 driver mfd: mt6397: Add support for different Slave types mfd: mt6397: int_con and int_status may vary in location dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC mfd: da9062: Fix missing volatile registers in the core regmap_range volatile lists mfd: Add documentation for ACT8945A DT bindings ...
| * mfd: intel-lpss: Pass I2C configuration via properties on BXTMika Westerberg2016-03-162-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | I2C host controller need to be configured properly in order to meet I2C timings specified in the I2C protocol specification. Some Intel Broxton based machines do not have this information in the ACPI namespace (or the boot firmware does not support ACPI at all) so we use build-in device properties instead. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: imx6sx: Add PCIe register definitions for iomuxc gprChristoph Fritz2016-03-161-0/+5
| | | | | | | | | | | | | | | | This patch adds macros to define masks and bits for imx6sx PCIe registers. This is based on a patch by Richard Zhu. Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: ipaq-micro: Use __maybe_unused to hide pm functionsArnd Bergmann2016-03-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ipaq-micro driver uses SET_SYSTEM_SLEEP_PM_OPS() to remove the reference to its resume function, but does not use an #ifdef around the definition, so we get a build warning: drivers/mfd/ipaq-micro.c:379:12: error: 'micro_resume' defined but not used [-Werror=unused-function] This adds a __maybe_unused annotation so the compiler knows it can silently drop it instead of warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: max77686: Add max77802 to I2C device ID tableJavier Martinez Canillas2016-03-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | The max77686 MFD driver supports both the Maxim 77686 and Maxim 77802 PMICs but only the OF device table contains entries for both devices. The max77802 entry is missing in the I2C device ID table which isn't a problem currently since the driver only supports DT but it will be needed if the driver is changed to be built as a module since the I2C core always reports a I2C modalias uevent so auto-load will not work. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: max77686: Export OF module alias informationJavier Martinez Canillas2016-03-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | When the device is registered via OF, the OF table is used to match the driver instead of the I2C device ID table but the entries in the latter are used as aliasses to load the module if the driver was not built-in. This is because the I2C core always reports an I2C module alias instead of an OF one but that could change so it is better to always export it. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: max77686: Allow driver to be built as a moduleJavier Martinez Canillas2016-03-161-2/+2
| | | | | | | | | | | | | | | | | | The driver's Kconfig symbol is a boolean but nothing prevents the driver to be built as a module instead of built-in. It is true that most system integrators will choose the latter but the config should not restrict it. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: stmpe: Add the proper PWM resourcesLinus Walleij2016-03-161-0/+35
| | | | | | | | | | | | | | | | This adds the PWM resources to the STMPE MFD driver, so that it can properly grab and use them. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: tps65090: Set regmap config reg counts properlyMaciej S. Szmigiero2016-03-162-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Regmap config max_register field should contain number of device last register, however num_reg_defaults_raw field should be set to register count instead (usually one register more than max_register). tps65090 driver had both of these fields set to the same value, fix this by introducing separate defines for max register number and total count of registers. Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabledPhilipp Zabel2016-03-161-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_MFD_SYSCON is disabled, have the function stubs return ENOTSUPP to indicate the syscon functionality is not available. There are currently no callers that depend on the ENOSYS return value. This patchfixes a checkpatch warning: WARNING: ENOSYS means 'invalid syscall nr' and nothing else Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: as3711: Set regmap config reg counts properlyMaciej S. Szmigiero2016-03-162-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Regmap config max_register field should contain number of device last register, however num_reg_defaults_raw field should be set to register count instead (usually one register more than max_register). as3711 driver had both of these fields set to the same value, fix this by introducing separate defines for max register number and total count of registers. Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: rc5t583: Set regmap config reg counts properlyMaciej S. Szmigiero2016-03-162-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Regmap config max_register field should contain number of device last register, however num_reg_defaults_raw field should be set to register count instead (usually one register more than max_register). rc5t583 driver had both of these fields set to the same value, fix this by introducing separate defines for max register number and total count of registers. Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * gpio: tps65086: Add GPO driver for the TPS65086 PMICAndrew F. Davis2016-03-163-0/+146
| | | | | | | | | | | | | | | | | | | | | | Add support for the TPS65086 PMIC GPOs. TPS65086 has four configurable GPOs that can be used for several purposes. These are output only. Signed-off-by: Andrew F. Davis <afd@ti.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: mt6397: Add platform device ID tableJavier Martinez Canillas2016-03-161-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | The platform bus_type .match callback attempts to match the platform device name with an entry on the .id_table if provided and fallbacks to match with the driver's name if a table is not provided. Using a platform device ID to match is more explicit, allows the driver to support more than one device and also the MODULE_DEVICE_TABLE macro can be used to export the module aliases information instead of the MODULE_ALIAS. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: da9063: Fix missing volatile registers in the core regmap_range ↵Steve Twiss2016-03-161-6/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | volatile lists Add an updated set of registers listed in the core regmap_range volatile ranges defined for the DA9063. These new registers contain bits that cannot be considered under the full control of software. Under various conditions the hardware will set and/or automatically clear bit(s) contained in these registers. When using a cached version of regmap, the volatility of these registers must be identified otherwise the regmap operations may not ensure the registers are explicitly altered. As well as updating the list of volatile registers, this change will fix a corner case discovered in the DA9063 ONKEY which is used by the DA9063 core. In the ONKEY case, the CONTROL_B register is now listed as volatile in the regmap_range because it contains the bit field NONKEY_LOCK. This bit can be altered by hardware, in which case regmap must be notified of its ability to be manpiulated outside of software control. Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: mt6397: Add MT6323 support to MT6397 driverJohn Crispin2016-03-163-0/+464
| | | | | | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: mt6397: Add support for different Slave typesJohn Crispin2016-03-161-17/+41
| | | | | | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: mt6397: int_con and int_status may vary in locationJohn Crispin2016-03-162-10/+19
| | | | | | | | | | | | | | | | MT6323 has the INT_CON and INT_STATUS located at a different position. Make the registers locations configurable. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMICJohn Crispin2016-03-161-4/+6
| | | | | | | | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: da9062: Fix missing volatile registers in the core regmap_range ↵Steve Twiss2016-03-161-1/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | volatile lists Add an updated set of registers listed in the core regmap_range volatile ranges defined for the DA9062. These new registers contain bits that cannot be considered under the full control of software. Under various conditions the hardware will set and/or automatically clear bit(s) contained in these registers. When using a cached version of regmap, the volatility of these registers must be identified otherwise the regmap operations may not ensure the registers are explicitly altered. As well as updating the list of volatile registers, this change will fix a corner case discovered in the DA9063 ONKEY which is used by the DA9062 core. In the ONKEY case, the CONTROL_B register is now listed as volatile in the regmap_range because it contains the bit field NONKEY_LOCK. This bit can be altered by hardware, in which case regmap must be notified of its ability to be manpiulated outside of software control. Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: Add documentation for ACT8945A DT bindingsWenyou Yang2016-03-161-0/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | The Active-semi ACT8945A PMIC is a Multi-Function Device, it has two subdevices: - Regulator - Charger This patch adds documentation for ACT8945A DT bindings. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: act8945a: Add Active-semi ACT8945A PMIC MFD driverWenyou Yang2016-03-163-0/+114
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the Active-semi ACT8945A PMIC. It is a Multi Function Device with the following subdevices: - Regulator - Charger It is interfaced to the host controller using I2C interface, ACT8945A is a child device of the I2C. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: cros_ec: Small kerneldoc fixTomeu Vizoso2016-03-161-1/+1
| | | | | | | | | | | | | | s/cros_ec_register/cros_ec_query_all Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: arizona: Remove duplicate select of MFD_CORECharles Keepax2016-03-161-2/+0
| | | | | | | | | | | | | | | | | | MFD_ARIZONA_I2C and MFD_ARIZONA_SPI both select MFD_ARIZONA and all three of those select MFD_CORE, this makes the selects of MFD_CORE in MFD_ARIZONA_I2C and MFD_ARIZONA_SPI redundant, so we remove them. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: cs47l24: Fix defaults array based on testingCharles Keepax2016-03-161-9/+1
| | | | | | | | | | | | | | | | | | My automated test is back and now can check defaults against the actual hardware. This patch updates the defaults array for the differences detected and removes a couple of completely unused registers. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: wm8998: Fix defaults array based on testingCharles Keepax2016-03-161-10/+2
| | | | | | | | | | | | | | | | | | My automated test is back and now can check defaults against the actual hardware. This patch updates the defaults array for the differences detected and removes a couple of completely unused registers. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: wm5102: Fix defaults array based on testingCharles Keepax2016-03-161-12/+4
| | | | | | | | | | | | | | | | | | My automated test is back and now can check defaults against the actual hardware. This patch updates the defaults array for the differences detected and removes a couple of completely unused registers. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: wm5110: Fix defaults array based on testingCharles Keepax2016-03-161-45/+37
| | | | | | | | | | | | | | | | | | My automated test is back and now can check defaults against the actual hardware. This patch updates the defaults array for the differences detected and removes a couple of completely unused registers. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: arizona: Update small typo in Arizona SPI KconfigCharles Keepax2016-03-161-1/+1
| | | | | | | | | | | | | | | | The help text had a copy and paste error and refers to I2C in the SPI section. This patch corrects this typo. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: syscon: Make syscon_regmap_config constPhilipp Zabel2016-03-161-5/+5
| | | | | | | | | | | | | | | | syscon_regmap_config can be made const if syscon_probe() creates a local copy on the stack, just like syscon_register() does. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: syscon: Set regmap max_register in of_syscon_registerPhilipp Zabel2016-03-161-1/+8
| | | | | | | | | | | | | | | | | | Determine the regmap max_register configuration from the io resource size and the reg-io-width device tree property. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: db8500: Avoid uninitialized variable referenceArnd Bergmann2016-03-161-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The prcmu_config_clkout() function ensures that the 'clkout' argument can only be '0' or '1' using an appropriate BUG_ON(), so the compiler should know that the div_mask, mask, and bits variables are always initialized later on. However, it doesn't understand this in gcc-5.2 and produces a false positive warning instead: drivers/mfd/db8500-prcmu.c: In function 'prcmu_config_clkout': drivers/mfd/db8500-prcmu.c:762:10: error: 'div_mask' may be used uninitialized in this function [-Werror=maybe-uninitialized] if (val & div_mask) { ^ drivers/mfd/db8500-prcmu.c:769:13: error: 'mask' may be used uninitialized in this function [-Werror=maybe-uninitialized] if ((val & mask & ~div_mask) != bits) { ^ drivers/mfd/db8500-prcmu.c:757:7: error: 'bits' may be used uninitialized in this function [-Werror=maybe-uninitialized] Replacing the switch() statement with an equivalent if() lets gcc figure this out reliably and avoids the warnings. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: tps65086: Add driver for the TPS65086 PMICAndrew F. Davis2016-03-164-0/+280
| | | | | | | | | | | | | | | | | | | | | | | | Add support for the TPS65912 device. It provides communication through I2C and contains the following components: - Regulators - Load switches - GPO controller Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * Documentation: tps65086: Add DT bindings for the TPS65086 PMICAndrew F. Davis2016-03-161-0/+55
| | | | | | | | | | | | | | | | | | The TPS65086 PMIC contains several regulators and a GPO controller. Add bindings for the TPS65086 PMIC. Signed-off-by: Andrew F. Davis <afd@ti.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: lpss: Add PCI IDs for Intel Broxton B-Step platformHuiquan Zhong2016-03-091-1/+18
| | | | | | | | | | | | | | | | | | | | Add PCI IDs for Intel Broxton B-Step platform, which have same LPSS devices with A-Step. Signed-off-by: Huiquan Zhong <huiquan.zhong@intel.com> Signed-off-by: Qipeng Zha <qipeng.zha@intel.com> cked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: Allow i2c modular drivers to build with I2C=mAxel Lin2016-03-091-7/+7
| | | | | | | | | | | | | | | | | | These drivers can be built as module, so make them depend on I2C rather than I2C=y. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: intel-lpss: Remove clock tree on error pathAndy Shevchenko2016-03-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | We forgot to remove the clock tree if something goes wrong in ->probe(). Add a call to intel_lpss_unregister_clock() on error path in ->probe() to fix the potential issue. Fixes: 4b45efe85263 (mfd: Add support for Intel Sunrisepoint LPSS devices) Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * mfd: tps65010: Fix init when the driver is built-inAaro Koskinen2016-03-091-20/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | tps65010 driver's initcall cannot succeed when the driver is built-in, because it expects that the I2C probe is completed at initcall time; this cannot happen as MFD is initialized before I2C. Also on systems where the chip is not present there is unnecessary 30 ms delay during the boot. Instead of waiting for probe to finish, just register the I2C device. If some boards need retry mechanism for startup glitches, that should be done in the actual probe function. Also delete the driver banner message. The patch allows to use tps65010 again with OMAP1 (where it's required to be built-in) and enables e.g. USB and LED functionality on OMAP5912 OSK. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| *---. Merge branches 'ib-mfd-clk-4.6', 'ib-mfd-input-iio-4.6', ↵Lee Jones2016-03-0930-1368/+2384
| |\ \ \ | | | | | | | | | | | | | | | 'ib-mfd-regulator-4.6' and 'ib-mfd-regulator-gpio-4.6' into ibs-for-mfd-merged
| | | * | regulator: axp20x: Support new AXP223 PMICChen-Yu Tsai2016-02-121-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs. It is functionally identical to AXP221; only the regulator default voltage/status and the external host interface are different. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Add support for RSB based AXP223 PMICChen-Yu Tsai2016-02-125-0/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs. It is functionally identical to AXP221; only the regulator default voltage/status and the external host interface are different. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Whitespace, open parenthesis alignment code style fixesChen-Yu Tsai2016-02-121-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes some leftover code style issues in the axp20x core. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Split the driver into core and i2c bitsChen-Yu Tsai2016-02-125-81/+161
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The axp20x driver assumes the device is i2c based. This is not the case with later chips, which use a proprietary 2 wire serial bus by Allwinner called "Reduced Serial Bus". This patch follows the example of mfd/wm831x and splits it into an interface independent core, and an i2c specific glue layer. MFD_AXP20X and the new MFD_AXP20X_I2C are changed to tristate symbols, allowing the driver to be built as modules. Whitespace and other style errors in the moved i2c specific code have been fixed. Included but unused header files are removed as well. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Add missing copyright noticeChen-Yu Tsai2016-02-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Supply a backdated copyright notice. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Carlo Caione <carlo@caione.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Use dev->driver->of_match_table in axp20x_match_device()Chen-Yu Tsai2016-02-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In axp20x_match_device(), match the of_device_id table bound to the device driver instead of pointing to axp20x_of_match directly. This will allow us to keep axp20x_match_device() unmodified when we expand the axp20x driver into multiple ones covering different interface types. of_device_get_match_data() cannot be used here as we need to know if it failed to get a match, or if the match data value just happened to be 0, as it is for the AXP152. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Remove second struct device * parameter for axp20x_match_device()Chen-Yu Tsai2016-02-121-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first argument passed to axp20x_match_device(), struct axp20x_dev *, already contains a pointer to the device. By rearranging some code, moving the assignment of the pointer before axp20x_match_device() is called, we can eliminate the second parameter. Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | | * | mfd: axp20x: Add AXP223 to list of supported PMICs in DT bindingsChen-Yu Tsai2016-02-121-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs. It is functionally identical to AXP221; only the regulator default voltage/status and the external host interface are different. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | iio: adc/imx25-gcq: Move incorrect do_divArnd Bergmann2016-03-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The newly added driver uses do_div() to device a 32-bit number, which now provokes a warning: drivers/iio/adc/fsl-imx25-gcq.c: In function 'mx25_gcq_setup_cfgs': include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ This replaces the do_div() call with a straight division operator. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 6df2e98c3ea5 ("iio: adc: Add imx25-gcq ADC driver") Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | Input: touchscreen: Add imx25 TCQ driverMarkus Pargmann2016-02-113-0/+606
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a driver for the imx25 ADC/TSC module. It controls the touchscreen conversion queue and creates a touchscreen input device. The driver currently only supports 4 wire touchscreens. The driver uses a simple conversion queue of precharge, touch detection, X measurement, Y measurement, precharge and another touch detection. This driver uses the regmap from the parent to setup some touch specific settings in the core driver and setup a idle configuration with touch detection. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Denis Carikli <denis@eukrea.com> [fix clock's period calculation] [fix calculation of the 'settling' value] Signed-off-by: Juergen Borleis <jbe@pengutronix.de> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | iio: adc: Add imx25-gcq ADC driverMarkus Pargmann2016-02-113-0/+425
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a conversion queue driver for the mx25 SoC. It uses the central ADC which is used by two seperate independent queues. This driver prepares different conversion configurations for each possible input. For a conversion it creates a conversionqueue of one item with the correct configuration for the chosen channel. It then executes the queue once and disables the conversion queue afterwards. The reference voltages are configurable through devicetree subnodes, depending on the connections of the ADC inputs. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Denis Carikli <denis@eukrea.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 06:48:26 +0100