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Rather than adding new arguments to regulator_register() every time we
want to add a new bit of dynamic information at runtime change the function
to take these via a struct. By doing this we avoid needing to do further
changes like the recent addition of device tree support which required each
regulator driver to be updated to take an additional parameter.
The regulator_desc which should (mostly) be static data is still passed
separately as most drivers are able to configure this statically at build
time.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
S5M8767A has 4 operation mode for BUCK/LDOs.
This patch can handle opmode for s5m8767a.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Check s5m8767->buck[2|3|4]_gpiodvs status in s5m8767_get_voltage_register
and return correct register accordingly.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
If we need to ensure only one of the buck[2|3|4]_gpiodvs can be specificed,
check them earlier.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This function finds the smallest voltage that falls within the specified range,
and then returns the selector. This rename makes the intention more clear.
Also remove unneeded local variables min_vol and max_vol in s5m8767_set_voltage
and s5m8767_set_voltage_buck.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
In the s5m8767_set_voltage_time_sel function, divisor unit is wrong.
ramp_delay is usec unit. So 1000 should be multiplied.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch includes below fixes:
1. The mask variable is not used at all here, remove it.
2. We already have the new_sel and old_sel, simply returns the delay by:
DIV_ROUND_UP(desc->step * (new_sel - old_sel), s5m8767->ramp_delay);
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Calling s5m8767_get_reg_id() is exactly the same as calling rdev_get_id().
It is pointless to add s5m8767_get_reg_id() function.
Use rdev_get_id() directly and remove s5m8767_get_reg_id() function.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
The MODULE_DEVICE_TABLE will setup the modalias, thus adding
a MODULE_ALIAS for an entry already in s5m8767_pmic_id is redundant.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
S5M8767A is a cost-effective PMIC which is designed for mobile applications.
It includes high efficient 9 Buck converters, 28 LDOs.
Especially, S5M8767A is optimized for Multi-core SOCs.
And during DVFS operation, S5M8767A output stable voltage.
This patch implement regulator driver for S5M8767A.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
