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CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch fixes a sparse warning. Since max77686_enable() is a callback,so it
should be static.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch implements set_suspend_disable callback for BUCKs which
support only switch ON/OFF modes during system suspend state, and
set_suspend_mode callbacks for LDOs which also suport Low power mode and
switch ON/OFF modes.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch adds basic support to take care of opmode(if any) which can be set by
set_suspend_[disable/mode] callbacks.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
MAX77686_REGULATORS is known in compile time.
Use array to save pointer to rdev makes the code simpler.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Initialize config.of_node for regulator before registering.
This is needed for DT based regulator support.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Now of_regulator_match() returns without finding the match if match->of_node
is not NULL.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch device tree support for regulator driver. It uses the parent
(mfd's) DT node to parse the regulator data for max77686.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch implements the .set_ramp_delay callback to set the ramp_delay on
hardware for BUCK2/3/4 if ramp_delay is set in regulator constraints.
This patch also do some cleaning work for unrequired members of
struct max77686_data.
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch converts the driver to use regulator_set_voltage_time_sel() as
.set_voltage_time_sel() callback. It also sets ramp_delay as 100000 uV/us for
LDOs & normal BUCKs and 27500 uV/us(default/reset value) for BUCKs[2/3/4] in
regulator_desc[].
Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
rdev->desc->uV_step * abs(new_selector - old_selector) returns uV.
The unit of ramp_rate is mV/us.
Thus 1000 should be multiplied.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
If this driver only works when pdata->num_regulators == MAX77686_REGULATORS,
let's check it earlier.
Also remove unused num_regulators from struct max77686_data.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Fix below checkpatch warnings:
$ scripts/checkpatch.pl -f drivers/regulator/max77686.c
ERROR: return is not a function, parentheses are not required
+ return (DIV_ROUND_UP(rdev->desc->uV_step
WARNING: line over 80 characters
+ .ops = &max77686_buck_dvs_ops, \
total: 1 errors, 1 warnings, 339 lines checked
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Both max77686_ops and max77686_buck_dvs_ops use simple linear voltage maps.
Thus use regulator_map_voltage_linear is more efficient than using the defult
regulator_map_voltage_iterate.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Add driver for support max77686 regulator.
MAX77686 provides LDOs[1~26] and BUCKs[1~9]. It support to set or get the
volatege of regulator on max77686 chip with using regmap.
Signed-off-by: Chiwoong Byun <woong.byun@samsung.com>
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
