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| | | | | | * | | | | | regulator: s2mps11: Don't zero allocated memory for external controlKrzysztof Kozlowski2014-10-201-1/+1
| | | | | | |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver was allocating memory for storing GPIOs for external control with unnecessary GFP_ZERO flag. Then right after allocation it initialized memory to -EINVAL in loop. Skip the GFP_ZERO flag. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | | | regulator: s2mpa01: Make regulator_desc array constKrzysztof Kozlowski2014-10-281-1/+1
| | | | | |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regulator_register() expects array of 'regulator_desc' to be const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | | | regulator: rt5033: Add RT5033 Regulator device driverBeomho Seo2014-11-143-0/+132
| | | | |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch add device driver of Richtek RT5033 PMIC. The driver support multiple regulator like LDO and synchronous Buck. The integrated synchronous buck converter is designed to provide 0.6 A application with high efficiency. Two LDOs are integrated. One safe LDO is for 60mA and the other one LDO is for 150 mA. Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Signed-off-by: Beomho Seo <beomho.seo@samsung.com> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | * | | | | | regulator: rpm: add support for RPM-controller SMB208Josh Cartwright2014-11-211-0/+19
| | | |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IPQ8064 reference boards make use of SMB208 regulators which are controlled by RPM. Implement support for these regulators in the RPM regulator driver. Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | | | regulator: rn5t618: Convert to new style DT parsingBeniamino Galvani2014-10-201-47/+4
| | |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the simplified DT parsing method to remove some duplicated code. Since this is a MFD subdevice and its device object doesn't have an associated DT node, the configuration instance used to register the regulators has been changed to point to the parent device. Signed-off-by: Beniamino Galvani <b.galvani@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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| *-------. \ \ \ \ \ Merge remote-tracking branches 'regulator/topic/max77686', ↵Mark Brown2014-12-0531-304/+504
| |\ \ \ \ \ \ \ \ \ \ | | | | | | | |_|_|_|/ | | | | | | |/| | | | | | | | | | | | | | | 'regulator/topic/max77693', 'regulator/topic/max77802', 'regulator/topic/power-off' and 'regulator/topic/rk808' into regulator-next
| | | | | | * | | | | regulator: rk808: Add support setting suspend voltageChris Zhong2014-10-201-3/+54
| | | | | | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | support setting suspend voltage and disable regulator in suspend. Signed-off-by: Chris Zhong <zyw@rock-chips.com> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | | of: Rename "poweroff-source" property to "system-power-controller"Romain Perier2014-12-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It reverts commit a4b4e0461ec5 ("of: Add standard property for poweroff capability"). As discussed on the mailing list, it makes more sense to rename back to the old established property name, without the vendor prefix. Problem being that the word "source" usually tends to be used for inputs and that is out of control of the OS. The poweroff capability is an output which simply turns the system-power off. Also, this property might be used by drivers which power-off the system and power back on subsequent RTC alarms. This seems to suggest to remove "poweroff" from the property name and to choose "system-power-controller" as the more generic name. This patchs adds the required renaming changes and defines an helper function which checks if this property is set. Signed-off-by: Romain Perier <romain.perier@gmail.com> Acked-by: Grant Likely <grant.likely@linaro.org> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | | regulator: act8865: Add support to turn off all outputsRomain Perier2014-10-221-0/+31
| | | | | |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the property "poweroff-source" is found in the devicetree, the function pm_power_off is defined. This function sends the rights bit fields to the global off control register. shutdown/poweroff commands are now supported for hardware components which use these PMU. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | | regulator: max77802: Remove support for board filesKrzysztof Kozlowski2014-11-261-73/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver is used only on Exynos based boards with DTS support. Simplify the driver and remove dead (unused) entries in platform_data structure. Convert the driver to DTS-only version. Parse all regulators at once, not one-by-one. Remove dependency on data provided by max77686 MFD driver. Use new DT style parsing method for regulators init data. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | | Merge tag 'v3.18-rc4' into regulator-max77802Mark Brown2014-11-268-8/+9
| | | | |\ \ \ \ \ | | | | | | |_|_|/ | | | | | |/| | | | | | | | | | | | Linux 3.18-rc4
| | | | * | | | | regulator: max77802: Fill regulator modes translation callbackJavier Martinez Canillas2014-11-261-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The max77802 PMIC regulators output can be configured in one of two modes: Output ON (normal) and Output ON in Low Power Mode. Some of the regulators support their operating mode to be changed on startup or by consumers when the system is running while others only support their operating mode to be changed while the system has entered in a suspend state. Use the max77802_map_mode() function to translate the device specific modes to the standard operating modes as used by the regulator core. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | | Merge branch 'topic/suspend' of ↵Mark Brown2014-11-2626-93/+199
| | | | |\ \ \ \ \ | | | | | | |_|/ / | | | | | |/| | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-max77802
| | | | | * | | | regulator: of: Add support for parsing initial and suspend modesJavier Martinez Canillas2014-11-261-2/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some regulators support their operating mode to be changed on startup or by consumers when the system is running while others only support their operating mode to be changed while the system has entered in a suspend state. The regulator Device Tree binding documents a set of properties to configure the regulators operating modes from a FDT. This patch builds on (40e20d6 regulator: of: Add support for parsing regulator_state for suspend state) and adds support to parse those properties and fill the regulator constraints so the regulator core can call the right suspend handlers when the system enters into sleep. The modes are defined in the Device Tree using the hardware specific modes supported by the regulators. Regulator drivers have to define a translation function that is used to map the hardware specific modes to the standard ones. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: of: Pass the regulator description in the match tableJavier Martinez Canillas2014-11-261-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Drivers can use the of_regulator_match() function to parse the regulator init_data from DT. A match table is used to specify the name of the node containing the regulators, the device node and to return the init_data to the caller. But also the static regulator descriptor is needed to correctly extract some DT properties like the regulator initial and suspend modes. Use the match table to pass that information. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: of: Add regulator desc param to of_get_regulator_init_data()Javier Martinez Canillas2014-11-2626-90/+124
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The of_get_regulator_init_data() function is used to extract the regulator init_data but information on how to extract certain data is defined in the static regulator descriptor (e.g: how to map the hardware operating modes). Add a const struct regulator_desc * parameter to the function signature so the parsing logic could use the information in the struct regulator_desc. of_get_regulator_init_data() relies on of_get_regulation_constraints() to actually extract the init_data so it has to pass the struct regulator_desc but that is modified on a later patch. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: of: Add support for parsing microvolts for suspend stateDoug Anderson2014-11-031-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Leverage all the work that was done in (40e20d6 regulator: of: Add support for parsing regulator_state for suspend state) and throw in the ability to set suspend microvolts from the device tree. Signed-off-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: Staticize 'regulator_states' arrayKrzysztof Kozlowski2014-10-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'regulator_states' array is used only in this unit and it is not exported. Make it static. This also fixes following sparse warning: drivers/regulator/of_regulator.c:22:12: warning: symbol 'regulator_states' was not declared. Should it be static? Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: of: Decrement refcount for suspend state nodesJavier Martinez Canillas2014-10-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of_get_regulation_constraints() calls of_get_child_by_name() to find the regulator-state-{mem,disk} child nodes for each regulator. This function increments the device node reference counter but this is not decremented once the function is done using the node. Fix that by calling of_node_put() after finishing using the device node. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: of: Add support for parsing regulator_state for suspend stateChanwoo Choi2014-10-201-1/+38
| | | | | | |/ / | | | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regulation_constraints structure includes specific field to support suspend state for global PMIC SUSPEND/HIBERNATE mode. This patch add support for parsing regulator_state for suspend state. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Don't ignore return value of current opmodeKrzysztof Kozlowski2014-11-041-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The return value of regmap_read() of current opmode for regulator was silently ignored and whatever happened to be in 'val' variable was used as new opmode. This could lead to using bogus opmode. Don't ignore what regmap_read() returns. If it fails just fall back to normal opmode. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Use unsigned int for modes in max77802_map_mode()Javier Martinez Canillas2014-11-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All function dealing with operating modes use unsigned int for modes so change max77802_map_mode() function signature for consistency. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Remove suspend_enableKrzysztof Kozlowski2014-10-311-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Maxim 77802 PMIC regulators do not have special enable configuration for suspend. The driver instead enabled them manually which is not a best way to deal with suspend. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Make regulator_desc array constKrzysztof Kozlowski2014-10-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regulator_register() expects array of 'regulator_desc' to be const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: fix a test in max77802_set_suspend_mode()Dan Carpenter2014-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The original test triggers a static checker warning. Javier Martinez Canillas says that the "!" is a typo and should be removed. Fixes: 2e0eaa1aa008 ('regulator: max77802: Add set suspend mode for BUCKs and simplify code') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Add header for operating modesJavier Martinez Canillas2014-10-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a header file for the max77802 constants that could be shared between the regulator driver and Device Tree source files. Also, remove standby and off opmodes since only normal and low power are valid operating modes. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Don't treat OFF as an operating modeJavier Martinez Canillas2014-10-201-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The only operating modes that are supported by the regulators in the max77802 PMIC are Output ON (normal) and Output On in Low Power Mode. OFF was wrongly counted as an operating mode while is only a regulator status. Make clear in the code that OFF is not an operating mode. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Add set suspend mode for BUCKs and simplify codeJavier Martinez Canillas2014-10-201-47/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The max77802 PMIC has a special enable pin (PWRREQ) that can be used by the Application Processor (AP) to power down and up voltage rails. The max77802 PMIC regulators have 3 different enable control logics. Some regulators support to be configured on different operational mode during normal operation while others only support to be put in a Low Power Mode while the system has entered in sleep mode. Some regulators don't even support that configuration. The logics are the following: Enable Control Logic1 by PWRREQ (BUCK 2-4, LDO2, LDO4-19, LDO22, LDO35) ------------------------------- 0: Output OFF 1: Output ON/OFF (Controlled by PWRREQ) PWRREQ = HIGH (1): Output ON in Normal Mode PWRREQ = LOW (0): Output OFF 2: Output On with Low Power Mode (Controlled by PWRREQ) PWRREQ = HIGH (1) : Output ON in Normal Mode PWRREQ = LOW (0): Output ON in Low Power Mode 3: Output ON in Normal Mode Enable Control Logic2 by PWRREQ (LDO1, LDO20, LDO21) ------------------------------- 0: Output ON/OFF by ENx 1: Output ON in Low Power Mode 2: Output ON in Low Power Mode (Controlled by PWRREQ) PWRREQ = HIGH (1): Output ON in Normal Mode PWRREQ = LOW (0): Output ON in Low Power Mode 3: Output ON in Normal Mode Enable Control Logic3 by PWRREQ (LDO3) ------------------------------- 0 or 3: Output ON in Normal Mode 1: Output ON in Low Power Mode 2: Output ON in Low Power Mode (Controlled by PWRREQ) PWRREQ = HIGH (1): Output ON in Normal Mode PWRREQ = LOW (0): Output ON in Low Power Mode The driver only implemented .set_suspend_mode for the LDOs regulators but some BUCKs also support to be put in Low Power Mode on system wide suspend so they should be supported as well. Two different functions were used for the logic 1 and 2 but this is not necessary. Only normal and Low Power Mode are valid operational modes, OFF is not an mode but is a regulator state that is handled by .set_suspend_enable ad .set_suspend_disable. So the same .set_suspend_mode function can be used by all the regulators that support Output On with Low Power Mode by PWRREQ, making much simpler the code to set the suspend mode. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Add .{get,set}_mode callbacksJavier Martinez Canillas2014-10-201-0/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some max77802 LDOs (1, 3, 20 and 21) support to be configured in Low Power Mode during system normal operation. Add function handlers for the .get_mode and .set_mode operations to set the mode on these LDOs. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Split regulator operations for BUCKsJavier Martinez Canillas2014-10-201-2/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Not all the max77802 BUCKs regulators have the same functionality, for example BUCKs 2-4 support the output to be configured as normal or Low Power Mode by the PWRREQ enable pin while the other BUCKs only support their output to be set ON or OFF by PWRREQ. As a preparation for adding a set_suspend_mode function handler for all the regulators that support Low Power Mode by PWRREQ, split the operations for BUCKs regulators. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: max77802: Add .set_suspend_{enable,disable} callbacksJavier Martinez Canillas2014-10-201-10/+18
| | | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The max77802 PMIC has an enable pin (PWRREQ) that can be used to switch regulators ON and OFF automatically by the Application Processor when the system is leaving and entering sleep mode. Only the BUCKs regulators had a .set_suspend_disable function handler that used the enable pin to turn OFF the regulators during suspend. But most LDOs also support that functionality (besides 1, 3, 20 and 21) so rename the function to a more generic name and use the same function for the LDOs. Also add a .set_suspend_enable handler for all regulators and use the same function used for the .enable operation. Finally, don't treat output ON/OFF controlled by PWRREQ as an operating mode using the ambiguous MAX77802_OPMODE_STANDBY since it's not an opmode. Instead make it clear that is a control value to switch the regulator OFF by PWRREQ when the system is entering in a suspend state. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | * | | | regulator: max77693: Make regulator_desc array constKrzysztof Kozlowski2014-10-281-1/+1
| | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regulator_register() expects array of 'regulator_desc' to be const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: max77686: Remove support for board filesKrzysztof Kozlowski2014-11-261-72/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver is used only on Exynos based boards with DTS support. Simplify the driver and remove dead (unused) entries in platform_data structure. Convert the driver to DTS-only version. Parse all regulators at once, not one-by-one. Remove dependency on data provided by max77686 MFD driver. Use new DT style parsing method for regulators init data. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | Merge tag 'v3.18-rc4' into regulator-max77686Mark Brown2014-11-268-8/+9
| | |\ \ \ \ | | | | |/ / | | | |/| | | | | | | | Linux 3.18-rc4
| | * | | | regulator: max77686: Initialize opmode explicitly to normal modeKrzysztof Kozlowski2014-11-041-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Minor nit: Initialize the opmode for each regulator to normal mode in a readable explicit way. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Suggested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: max77686: Consistently index opmode array by rdev idKrzysztof Kozlowski2014-11-041-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mixed indexes were used for array of opmodes in max77686_data structure: id of regulator and index of regulator_desc array. These indexes are exactly the same but the mixture may confuse. Use consistently the id of regulator. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: max77686: Add suspend disable for some LDOsKrzysztof Kozlowski2014-10-311-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some LDOs of Maxim 77686 PMIC support disabling during system suspend (LDO{2,6,7,8,10,11,12,14,15,16}). This was already implemented as part of set_suspend_mode function. In that case the mode was one of: - disable, - normal mode, - low power mode. However there are no bindings for setting the mode during suspend. Add suspend disable for LDO regulators supporting this. Re-use existing max77686_buck_set_suspend_disable() function. This helps reducing energy consumption during system sleep. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: max77686: Store opmode non-shiftedKrzysztof Kozlowski2014-10-281-15/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce simple helper for calculating the shift for OPMODE field in registers. This allows storing the current value of opmode in non-shifted form and simplifies a little set_suspend_disable and enable functions. Additionally this will allow adding support LDOs to the existing set_suspend_disable function. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Suggested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: max77686: Replace hard-coded opmode values with definesKrzysztof Kozlowski2014-10-281-7/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add defines for regulator operating modes which should be more readable, especially if one does not have Maxim 77686 datasheet. The patch does not introduce any functional change. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Suggested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: max77686: Make regulator_desc array constKrzysztof Kozlowski2014-10-281-1/+1
| | | |/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regulator_register() expects array of 'regulator_desc' to be const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Mark Brown <broonie@kernel.org>
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| *-----. \ \ \ Merge remote-tracking branches 'regulator/topic/anatop', ↵Mark Brown2014-12-0511-48/+104
| |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | 'regulator/topic/disable', 'regulator/topic/dummy' and 'regulator/topic/gpio' into regulator-next
| | | | | * | | | regulator: gpio: fix parsing of gpio listRichard Fitzgerald2014-11-211-42/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The list of gpios is defined as optional but the code was failing to properly handle the case of no gpios, and also failing to check for errors reading the entry from the devicetree. This patch fixes the handling of optional gpios - this is a useful feature enabling the gpio-regulator to be used as a dummy variable voltage regulator without having to assign any real GPIO lines. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: tps65090: Fix gpio initializationMarkus Pargmann2014-11-071-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The config is used for multiple regulators within a for loop. The config field is not cleared before it is used for the next item. To avoid any issues this patch adds a proper initialization for the config->ena_gpio field in case no gpio is available. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: gpio: Use gpio_is_validMarkus Pargmann2014-11-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use gpio_is_valid instead of an explicit comparison with 0. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: fixed: Use gpio_is_validMarkus Pargmann2014-11-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use gpio_is_valid instead of an explicit comparison with 0. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: Set ena_gpio_initialized in regulator driversMarkus Pargmann2014-11-078-4/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch sets ena_gpio_initialized for all drivers which set a ena_gpio from parsed DT properties. Drivers using pdata may get zero initialized pdata and therefore copy a 0 into the regulator_config ena_gpio field. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | | * | | | regulator: Add ena_gpio_initialized to regulator_configMarkus Pargmann2014-10-201-1/+2
| | | | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most drivers do not set the ena_gpio field of struct regulator_config before passing it to the regulator core. This is fine as long as the gpio identifier that is passed is a positive integer. But the gpio identifier 0 is also valid. So we are not able to decide wether we got a real gpio identifier or not based on a 0 in ena_gpio. To be able to decide if it is a valid gpio that got passed, this patch adds a ena_gpio_initialized field that should be set if was initialized with a correct value, either a gpio >= 0 or a negative error number. The core then checks if ena_gpio or ena_gpio_initialized before handling it as a gpio. This way we maintain backwards compatibility and fix the behaviour for gpio number 0. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | | * | | | regulator: dummy: Make regulator_desc array constKrzysztof Kozlowski2014-10-281-1/+1
| | | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The regulator_register() expects array of 'regulator_desc' to be const. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | | * | | | regulator: core: Add PRE_DISABLE notificationRichard Fitzgerald2014-11-241-0/+16
| | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a PRE_DISABLE notification so that consumers can use a notifier to run any steps required to prepare for the regulator being switched off. Since the regulator disable can fail an abort notification is also added. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
| | * | | | regulator: anatop: Fail on invalid voltage selectorMarkus Pargmann2014-10-201-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A '0' voltage selector is invalid and can't be used with this driver. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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