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| * | | mfd: syscon: Support native-endian regmapsPaul Burton2016-11-291-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regmap devicetree binding documentation states that a native-endian property should be supported as well as big-endian & little-endian, however syscon in its duplication of the parsing of these properties omits support for native-endian. Fix this by setting REGMAP_ENDIAN_NATIVE when a native-endian property is found. Cc: linux-mips@linux-mips.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Paul Burton <paul.burton@imgtec.com> Tested-by: Maciej W. Rozycki <macro@imgtec.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: rk808: RK818 uses DEV_OFF to power off suppliesJianhong Chen2016-11-292-1/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | DEV_OFF and DEV_OFF_RST functions for RK808 are designed error that only DEV_OFF_RST can power off supplies. RK818 has been fixed this issue, so that DEV_OFF is used to power off supplies. Signed-off-by: Jianhong Chen <chenjh@rock-chips.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: fsl-imx25-tsadc: Fix module autoload when registered via OFJavier Martinez Canillas2016-11-291-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/mfd/fsl-imx25-tsadc.ko | grep alias alias: platform:mx25-tsadc After this patch: $ modinfo drivers/mfd/fsl-imx25-tsadc.ko | grep alias alias: platform:mx25-tsadc alias: of:N*T*Cfsl,imx25-tsadcC* alias: of:N*T*Cfsl,imx25-tsadc Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: hi655x-pmic: Fix module autoload when registered via OFJavier Martinez Canillas2016-11-291-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias After this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias alias: of:N*T*Chisilicon,hi655x-pmicC* alias: of:N*T*Chisilicon,hi655x-pmic Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: abx500-core: Allow driver to built if COMPILE_TEST is enabledJavier Martinez Canillas2016-11-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver only has runtime but no build time dependency with ARCH_U300 || ARCH_U8500 So it can be built for testing purposes if COMPILE_TEST option is enabled. This is useful to have more build coverage and make sure that the driver is not affected by changes that could cause build regressions. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: exynos-lpass: Add hardware dependencyJean Delvare2016-11-291-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver is meant for Exynos systems so do not offer the option elsewhere unless build-testing. Cc: Inha Song <ideal.song@samsung.com> Cc: Beomho Seo <beomho.seo@samsung.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: tps65912: Move regmap config into core driverArnd Bergmann2016-11-292-15/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When building with extra warnings enabled, most files including linux/mfd/tps65912.h warn about a static variable defined in the header: include/linux/mfd/tps65912.h:331:35: warning: 'tps65912_regmap_config' defined but not used [-Wunused-const-variable=] We also duplicate the data structure between the i2c and spi front-end drivers. Moving it into the driver code avoids the warning and the duplication. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: wm8994-core: Disable regulators before removing themViresh Kumar2016-11-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The order in which resources were freed in wm8994_device_exit() isn't correct. The regulators are removed before they are disabled. Fix it by reordering code a bit, which makes it exact opposite of wm8994_device_init() as well. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: wm8994-core: Don't split lines unnecessarilyViresh Kumar2016-11-291-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These can fit in a single line (80 columns), don't split lines unnecessarily. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: Enable compile testing for max77620 and max77686Krzysztof Kozlowski2016-11-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The OF is not a strict build-time dependency so max77620 and max77686 can be compile tested to increase build coverage. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: tc3589x: Improve function-level documentationJulia Lawall2016-11-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the correct function name in one case and adjust a variable name to that of the corresponding function parameter in another case. Issue detected using Coccinelle (http://coccinelle.lip6.fr/) Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: Add support for Allwinner SoCs ADCQuentin Schulz2016-11-294-0/+291
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Allwinner SoCs all have an ADC that can also act as a touchscreen controller and a thermal sensor. For now, only the ADC and the thermal sensor drivers are probed by the MFD, the touchscreen controller support will be added later. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | dt-bindings: mfd: Add Altera Arria10 System Resource Chip bindingsThor Thayer2016-11-291-0/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Altera Arria10 Devkit System Resource chip is a Multi-Function Device with a GPIO expander. This patch adds documentation for the Altera A10-SR DT bindings. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: arizona: Mark AIFx_TX_BCLK_RATE as readable for cs47l24Praveen Kumar Vegivada2016-11-211-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This register is used in the AIF code but is missing from the register tables. Signed-off-by: Praveen Kumar Vegivada <praveen.vegivada@cirrus.com> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: lpc_ich: Use gpio-ich driver for 8-series and 9-series Intel PCH devicesDan Gora2016-11-211-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Intel 8-series and 9-series PCH devices, described by the descriptors LPC_LPT and LPC_9S although codenamed 'lynxpoint' do not use the same GPIO register layout which is used by the gpio-lynxpoint driver. They use the same ICH_V5_GPIO layout as the gpio-ich driver. See: http://www.intel.com/content/www/us/en/chipsets/8-series-chipset-pch-datasheet.html http://www.intel.com/content/www/us/en/chipsets/9-series-chipset-pch-datasheet.html The devices described by "Mobile 4th Generation Intel Core Processor Family I/O" manual use the gpio-lynxpoint driver and are described by the LPC_LPT_LP descriptor. See: http://www.intel.com/content/www/us/en/processors/core/4th-gen-core-family-mobile-i-o-datasheet.html Signed-off-by: Dan Gora <dg@adax.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | mfd: axp20x: Add adc volatile ranges for axp22xIcenowy Zheng2016-11-212-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AXP22x has also some different register map than axp20x, they're also added here. Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| * | | Merge branches 'ib-mfd-arm-leds-4.10' and 'ib-mfd-gpio-input-regulator-4.10' ↵Lee Jones2016-11-216-131/+157
| |\ \ \ | | | | | | | | | | | | | | | into ibs-for-mfd-merged
| | * | | regulator: tps65218: Remove all the compatiblesKeerthy2016-10-262-94/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove all the individual compatibles for all the regulators and introduce id_table and update the driver accordingly to parse device tree nodes using the regulator framework. Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | mfd: tps65218: Use mfd_add_devices instead of of_platform_populateKeerthy2016-10-261-2/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mfd_add_devices enables parsing device tree nodes without compatibles for regulators and gpio modules. Replace of_platform_populate with mfd_add_devices. mfd_cell currently is populated with regulators, gpio and powerbutton. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | input: tps65218-pwrbutton: Add platform_device_id tableKeerthy2016-10-261-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | platform_device_id table is needed for adding the tps65218-pwrbutton module to the mfd_cell array. Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | Documentation: regulator: tps65218: Update examplesKeerthy2016-10-261-16/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This updates the Device Tree according to the preferred way of parsing the nodes using the regulator framework. Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
| | * | | mfd: tps65218: Remove redundant read wrapperKeerthy2016-10-264-21/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently read directly calls the repmap read function. Hence remove the redundant wrapper and use regmap read wherever needed. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
* | | | | Merge tag 'rtc-4.10' of ↵Linus Torvalds2016-12-1924-257/+1055
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Subsystem: - non-modular drivers are now explicitly non-modular New driver: - Epson Toyocom rtc-7301sf/dg Drivers: - cmos: reject unsupported alarm values wrt the RTC capabilities - ds1307: ACPI support - jz4740: DT support, jz4780 handling, can now be used as a system power controller - mcp795: many fixes, in particular proper month handling - twl: driver is now DT only" * tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits) rtc: mcp795: Fix whitespace and indentation. rtc: mcp795: Prefer using the BIT() macro. rtc: mcp795: fix month write resetting date to 1. rtc: mcp795: fix time range difference between linux and RTC chip. rtc: mcp795: fix bitmask value for leap year (LP). rtc: mcp795: use bcd2bin/bin2bcd. rtc: add support for EPSON TOYOCOM RTC-7301SF/DG rtc: ds1307: Add ACPI support rtc: imxdi: (trivial) fix a typo rtc: ds1374: Merge conditional + WARN_ON() rtc: twl: make driver DT only rtc: twl: kill static variables rtc: fix typos in Kconfig rtc: jz4740: make the driver builtin only rtc: jz4740: remove unused EXPORT_SYMBOL Documentation: bindings: fix twl-rtc documentation rtc: Enable compile testing for Maxim and Samsung drivers MIPS: jz4740: Remove obsolete code MIPS: qi_lb60: Probe RTC driver from DT and use it as power controller MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetree ...
| * | | | | rtc: mcp795: Fix whitespace and indentation.Emil Bartczak2016-12-191-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix whitespace and indentation errors and the following checkpatch warnings: - line 15: Block comments use a trailing */ on a separate line - line 256: Line over 80 characters No code change. Signed-off-by: Emil Bartczak <emilbart@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: mcp795: Prefer using the BIT() macro.Emil Bartczak2016-12-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch doesn't change the code but replaces all bitmask values with the BIT(x) macro. Signed-off-by: Emil Bartczak <emilbart@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: mcp795: fix month write resetting date to 1.Emil Bartczak2016-12-191-5/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to Microchip errata some combinations of date and month values may result in the date being reset to 1, even if the date is also written with the month (for example 31-07 or 31-08). As a workaround avoid writing date and month values within the same Write command. Instead, terminate the Write command after loading the date and begin a new command to write the month. In addition, disable the oscillator before loading the new values. This is done by ensuring both the ST and EXTOSC bits are cleared and waiting for the OSCON bit to clear. Signed-off-by: Emil Bartczak <emilbart@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: mcp795: fix time range difference between linux and RTC chip.Emil Bartczak2016-12-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In linux rtc_time struct, tm_mon range is 0~11, while in RTC HW REG, month range is 1~12. This patch adjusts difference of them. Signed-off-by: Emil Bartczak <emilbart@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: mcp795: fix bitmask value for leap year (LP).Emil Bartczak2016-12-191-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According the datasheet the leap year is a fifth bit in month register. Signed-off-by: Emil Bartczak <emilbart@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: mcp795: use bcd2bin/bin2bcd.Emil Bartczak2016-12-191-12/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change rtc-mcp795.c to use the bcd2bin/bin2bcd functions. This change fixes the wrong conversion of month value from binary to BCD (missing right shift operation for 10 month). Signed-off-by: Emil Bartczak <emilbart@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: add support for EPSON TOYOCOM RTC-7301SF/DGAkinobu Mita2016-12-194-0/+481
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for EPSON TOYOCOM RTC-7301SF/DG which has parallel interface compatible with SRAM. This driver supports basic clock, calendar and alarm functionality. Tested with Microblaze linux running on Artix7 FPGA board with my own custom IP for RTC-7301. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: ds1307: Add ACPI supportTin Huynh2016-12-191-9/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch enables ACPI support for rtc-ds1307 driver. Signed-off-by: Tin Huynh <tnhuynh@apm.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: imxdi: (trivial) fix a typoMartin Kaiser2016-12-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a typo Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: ds1374: Merge conditional + WARN_ON()Srikant Ritolia2016-12-071-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | WARN_ON does both these things in one statement. Using a better pattern with WARN_ON(). Signed-off-by: Srikant Ritolia <s.ritolia@samsung.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: twl: make driver DT onlyNicolae Rosia2016-11-302-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since there are no platform based users and all users of this code are TI OMAP-based which is DT only, it makes sense to remove unused code. Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: twl: kill static variablesNicolae Rosia2016-11-301-76/+114
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current code uses static variables which prevent the use of multiple rtc twl instances. We also make it clear that this driver supports only TWL4030 and TWL6030 classes. Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: fix typos in KconfigAlexandre Belloni2016-11-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | s/buillt/built/g Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: jz4740: make the driver builtin onlyAlexandre Belloni2016-11-092-13/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the driver is now calling machine_halt() that is not exported, it has to be built in the kernel. Building it as a module will fail at linking time. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: jz4740: remove unused EXPORT_SYMBOLAlexandre Belloni2016-11-081-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | jz4740_rtc_poweroff() is only called from the driver, stop exporting it. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | Documentation: bindings: fix twl-rtc documentationNicolae Rosia2016-11-051-10/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add interrupts documentation Fix example and formatting Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: Enable compile testing for Maxim and Samsung driversKrzysztof Kozlowski2016-11-051-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | max8907, max77686 and s5m RTC drivers can be compile tested to increase build coverage. The s5m-rtc uses REGMAP_IRQ so add this as explicit dependency. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | MIPS: jz4740: Remove obsolete codePaul Cercueil2016-11-053-85/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit removes two things: - The platform_device that corresponds to the RTC driver, since we now probe this driver from devicetree; - The platform power-off code, since all the jz4740-based platforms are now using the jz4740-rtc driver as the system power controller. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | MIPS: qi_lb60: Probe RTC driver from DT and use it as power controllerPaul Cercueil2016-11-052-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since we already have a devicetree node for the jz4740-rtc driver, we don't have to probe it from platform code. Besides, using the jz4740-rtc driver as the power controller for the qi_lb60 platform allows us to remove the jz4740 platform power-off code, since this is the only jz4740-based board upstream. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetreePaul Cercueil2016-11-051-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that the jz4740-rtc driver supports devicetree, we can add a devicetree node for it. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: jz4740: Add support for acting as the system power controllerPaul Cercueil2016-11-051-0/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'system-power-controller' singleton entry can be used in the devicetree node of the jz4740-rtc driver to specify that the driver is granted the right to power off the system through the registers of the RTC unit. See the documentation for more details: Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: jz4740: Add support for devicetreePaul Cercueil2016-11-041-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | See Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt for a description of the bindings. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | Documentation: dt: Add binding info for jz4740-rtc driverPaul Cercueil2016-11-041-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds documentation for the device-tree bindings of the jz4740-rtc driver, which supports the RTC unit present in the JZ4740 and JZ4780 SoCs from Ingenic. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: jz4740: Add support for the RTC in the jz4780 SoCPaul Cercueil2016-11-042-5/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The RTC unit present in the JZ4780 works mostly the same as the one in the JZ4740. The major difference is that register writes need to be explicitly enabled, by writing a magic code (0xA55A) to a "write enable" register before each access. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: sparc: make sun4v explicitly non-modularPaul Gortmaker2016-11-041-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Kconfig currently controlling compilation of this code is: drivers/rtc/Kconfig:config RTC_DRV_SUN4V drivers/rtc/Kconfig: bool "SUN4V Hypervisor RTC" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Cc: rtc-linux@googlegroups.com Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: sparc: make starfire explicitly non-modularPaul Gortmaker2016-11-041-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Kconfig currently controlling compilation of this code is: drivers/rtc/Kconfig:config RTC_DRV_STARFIRE drivers/rtc/Kconfig: bool "Starfire RTC" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Cc: rtc-linux@googlegroups.com Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| * | | | | rtc: make rtc-lib explicitly non-modularPaul Gortmaker2016-11-041-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Kconfig currently controlling compilation of this code is: drivers/rtc/Kconfig:config RTC_LIB drivers/rtc/Kconfig: bool ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We delete the MODULE_LICENSE tag since all that information is already contained at the top of the file in the comments. We don't replace module.h with init.h since the file doesn't need that. However we do add export.h since the file uses EXPORT_SYMBOL. Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: rtc-linux@googlegroups.com Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>