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2018-10-23mfd: ti-lmu: Use of_device_get_match_data() helperPavel Machek1-16/+14
Replace of_match_device() with of_device_get_match_data(), which slightly decreases lines of code and allows to move the DT table next to the I2C table. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: ti-lmu: Use managed resource for everythingPavel Machek1-13/+8
This replaces all remaining unmanaged resources with device managed ones, so that the remove function is no longer needed. This makes the code slightly shorter and fixes two problems: 1. The hardware is disabled after the child devices have been removed. Previously there was a potential race condition. 2. The hardware is disabled when mfd_add_devices fails during probe. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: ti-lmu: Switch to GPIODPavel Machek2-17/+14
Use new descriptor based API instead of the legacy one. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: ti-lmu: constify mfd_cell tablesSebastian Reichel1-7/+7
Add const attribute to all mfd_cell structures. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: max8997: Disable interrupt handling for suspend/resume cycleMarek Szyprowski1-0/+2
Disable IRQs during suspend/resume cycle to ensure handling of wakeup interrupts (i.e. RTC wake alarm) after max8997_resume(). This way it can be properly handled when I2C bus is finally available. This pattern is also used in other MAX PMIC MFD drivers. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: max8997: Enale irq-wakeup unconditionallyMarek Szyprowski2-8/+1
IRQ wake up support for MAX8997 driver was initially configured by respective property in pdata. However, after the driver conversion to device-tree, setting it was left as 'todo'. Nowadays most of other PMIC MFD drivers initialized from device-tree assume that they can be an irq wakeup source, so enable it also for MAX8997. This fixes support for wakeup from MAX8997 RTC alarm. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: arizona: Make array mclk_name static, shrinks object sizeColin Ian King1-1/+1
Don't populate the array mclk_name on the stack but instead make it static. Makes the object code smaller by 23 bytes: Before: text data bss dec hex filename 38050 11604 64 49718 c236 linux/drivers/mfd/arizona-core.o After: text data bss dec hex filename 38027 11604 64 49695 c21f linux/drivers/mfd/arizona-core.o (gcc version 8.2.0 x86_64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23MAINTAINERS: Add myself as designated reviewer of Intel MFD PMICAndy Shevchenko1-0/+8
There are few Intel MFD PMIC device drivers which I would like to review. Note, Intel MSIC is old system controller that based mostly on PMIC integrated in it. Thus, I included it as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: Convert Intel PMIC drivers to use SPDX identifierAndy Shevchenko10-75/+15
1;5201;0c Reduce size of duplicated comments by switching to use SPDX identifier. No functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: Sort headers alphabetically for Intel PMIC driversAndy Shevchenko3-9/+12
Sort headers alphabetically for better maintenance. No functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: intel_soc_pmic_bxtwc: Chain power button IRQs as wellAndy Shevchenko2-10/+32
Power button IRQ actually has a second level of interrupts to distinguish between UI and POWER buttons. Moreover, current implementation looks awkward in approach to handle second level IRQs by first level related IRQ chip. To address above issues, split power button IRQ to be chained as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: intel_soc_pmic_crc: Use REGMAP_IRQ_REG() macroAndy Shevchenko1-21/+7
Instead of open coding each data structure with regmap IRQresources, use dedicated macro. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: intel_soc_pmic_crc: Use DEFINE_RES_IRQ_NAMED() macroAndy Shevchenko1-30/+5
Instead of open coding each data structure with IRQ resources, use dedicated macro. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: intel_msic: Use DEFINE_RES_IRQ() macroAndy Shevchenko1-34/+10
Instead of open coding each data structure with IRQ resources, use dedicated macro. In one case use DEFINE_RES_IRQ_NAMED() and DEFINE_RES_MEM_NAMED(). No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: motorola-cpcap: Add audio-codec supportSebastian Reichel1-1/+50
Add support for the audio-codec node by converting from devm_of_platform_populate() to devm_mfd_add_devices(). Tested-by: Pavel Machek <pavel@ucw.cz> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: mc13xxx-core: Fix PMIC shutdown when reading ADC valuesFabio Estevam2-1/+3
When trying to read any MC13892 ADC channel on a imx51-babbage board: The MC13892 PMIC shutdowns completely. After debugging this issue and comparing the MC13892 and MC13783 initializations done in the vendor kernel, it was noticed that the CHRGRAWDIV bit of the ADC0 register was not being set. This bit is set by default after power on, but the driver was clearing it. After setting this bit it is possible to read the ADC values correctly. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Tested-by: Chris Healy <cphealy@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: madera: Remove unused forward referenceRichard Fitzgerald1-1/+0
The madera_irqchip_pdata struct was replaced by the irq_flags member of struct madera_pdata so the forward reference is obsolete. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: max77620: Convert to using %pOFn instead of device_node.nameRob Herring1-1/+1
In preparation to remove the node name pointer from struct device_node, convert printf users to use the %pOFn format specifier. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: madera: Don't use regmap_read_poll_timeout to poll for BOOT_DONERichard Fitzgerald1-13/+20
While polling for BOOT_DONE the chip could NAK a read because it is still booting, which would terminate the regmap_read_poll_timeout() with an error. Instead implement a polling loop that ignores read errors so we always poll until the chip signals boot or the loop times out. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-10-23mfd: arizona: Correct calling of runtime_put_syncSapthagiri Baratam1-4/+4
Don't call runtime_put_sync when clk32k_ref is ARIZONA_32KZ_MCLK2 as there is no corresponding runtime_get_sync call. MCLK1 is not in the AoD power domain so if it is used as 32kHz clock source we need to hold a runtime PM reference to keep the device from going into low power mode. Fixes: cdd8da8cc66b ("mfd: arizona: Add gating of external MCLKn clocks") Signed-off-by: Sapthagiri Baratam <sapthagiri.baratam@cirrus.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>