Commit Graph

24 Commits

Author SHA1 Message Date
Mark Brown
4c35c8676f Merge remote-tracking branch 'regulator/topic/linear' into regulator-next 2013-10-24 11:11:37 +01:00
Axel Lin
8828bae464 regulator: Add REGULATOR_LINEAR_RANGE macro
Add REGULATOR_LINEAR_RANGE macro and convert regulator drivers to use it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-10-11 12:49:16 +01:00
Axel Lin
e277e65680 regulator: Remove max_uV from struct regulator_linear_range
linear ranges means each range has linear voltage settings.
So we can calculate max_uV for each linear range in regulator core rather than
set the max_uV field in drivers.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-10-11 12:49:12 +01:00
Sachin Kamat
ab1d65e03a regulator: tps65912: Use devm_regulator_register
devm_* simplifies the code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-17 00:28:44 +01:00
Axel Lin
fba6583be6 regulator: tps65912: Convert tps65912_ops_ldo to use linear ranges
The ldo voltage table is composed of linear ranges.

Below is the equation in original code (tps65912_vsel_to_uv_ldo):
0 ... 32:      uv = vsel * 25000 + 800000;
33 ... 60:     uv = (vsel - 32) * 50000 + 1600000;
                  = (vsel -33) * 50000 + 1650000;
61 ...63:      uv = (vsel - 60) * 100000 + 3000000;
                  = (vsel - 61) * 100000 + 3100000;

This patch converts tps65912_ops_ldo to use multiple linear ranges APIs.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-07-24 15:48:01 +01:00
Bill Pemberton
8dc995f56e regulator: remove use of __devexit
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>
2012-11-20 10:53:38 +09:00
Bill Pemberton
a5023574d1 regulator: remove use of __devinit
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>
2012-11-20 10:31:26 +09:00
Bill Pemberton
5eb9f2b963 regulator: remove use of __devexit_p
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>
2012-11-20 10:31:19 +09:00
Axel Lin
9db7f05624 regulator: tps65912: Convert to get_voltage_sel
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-23 13:20:27 +01:00
Axel Lin
6c9eeb0f5c regulator: Remove unneeded include of linux/delay.h from regulator drivers
All the drivers that need delay for the regulator voltage output voltage to
stabilize after being enabled or after being set to a new value has been
converted to implement enable_time and set_voltage_time_sel callbacks.
Then regulator core will take care of the necessary delay.

For the drivers that don't need the delay, don't need to include linux/delay.h.
This patch removes the unneeded include of linux/delay.h in regulator drivers.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-23 13:20:26 +01:00
Axel Lin
9eb0c4218a regulator: Convert tps65xxx regulator drivers to use devm_kzalloc
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-11 10:16:50 +01:00
Mark Brown
c172708d38 regulator: core: Use a struct to pass in regulator runtime configuration
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>
2012-04-09 12:37:09 +01:00
Axel Lin
33426e9796 regulator: Use tps65912_get_voltage for both DCDCs and LDOs
Now tps65912_get_voltage_dcdc and tps65912_get_voltage_ldo has exactly the same
implementation. We can merge them to tps65912_get_voltage function.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-01 11:59:25 +01:00
Axel Lin
f72d643e87 regulator: Implement tps65912_list_voltage to be shared by both DCDCs and LDOs
Merge tps65912_list_voltage_dcdc and tps65912_list_voltage_ldo to
tps65912_list_voltage.  This change does not add too much complexity in
tps65912_list_voltage function.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-04-01 11:59:25 +01:00
Axel Lin
c567556e75 regulator: Simplify implementation of tps65912_get_voltage_dcdc
Call tps65912_get_sel_register instead of duplicating the same code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-14 12:37:23 +00:00
Axel Lin
831c986f5d regulator: Use tps65912_set_voltage_sel for both DCDCx and LDOx
commit 42b5ef "regulator: tps65912: Use simple equations to get register address"
uses tps65912_get_sel_register to replace tps65912_get_dcdc_sel_register
and tps65912_get_ldo_sel_register.

Now tps65912_set_voltage_dcdc_sel and tps65912_set_voltage_ldo_sel has exactly
the same implementation. Merge them to tps65912_set_voltage_sel function.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-14 12:37:22 +00:00
Axel Lin
42b5efe4f9 regulator: tps65912: Use simple equations to get register address
The address of ctrl and sel registers can be calculated by simple equations.
This patch simplifies the implementation in tps65912_get_ctrl_register and
implements tps65912_get_sel_register to replace tps65912_get_dcdc_sel_register
and tps65912_get_ldo_sel_register.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-13 23:19:34 +00:00
Axel Lin
85c5d86d0e regulator: Use array to store dcdc_range settings for tps65912
Then we can use the regulator id as array index to access the array.
This change makes the code simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:49:35 +00:00
Axel Lin
94732b97c3 regulator: Rename set_voltage_sel callback function name to *_sel
This change improves readability.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:49:33 +00:00
Axel Lin
844775ef98 regulator: Simplify the implementation of tps65912_get_voltage_dcdc
Call tps65912_list_voltage_dcdc instead of duplicating the same code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:48:55 +00:00
Rajendra Nayak
2c043bcbf2 regulator: pass additional of_node to regulator_register()
With device tree support for regulators, its needed that the
regulator_dev->dev device has the right of_node attached.
To be able to do this add an additional parameter to the
regulator_register() api, wherein the dt-adapted driver can
then pass this additional info onto the regulator core.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-11-23 18:47:04 +00:00
Axel Lin
88585b83e0 regulator: tps65912: Remove unused define of TPS65912_MAX_REG_ID
Currently we define TPS65912_MAX_REG_ID as TPS65912_REG_LDO_10,
but TPS65912_REG_LDO_10 is not defined at all.
( It looks like a typo of TPS65912_REG_LDO10 )
Currently, TPS65912_MAX_REG_ID is not used in this driver,
it is safe to just remove it.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-08-08 17:12:51 +01:00
Dan Carpenter
6daa663dc4 regulator: Storing tps65912 error codes in u8
get_ctrl_reg() returns -EINVAL so the error handling won't work here
if reg is a u8.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-07-31 23:28:26 +02:00
Margarita Olaya
9260ad98dc tps65912: add regulator driver
The tps65912 consist of 4 DCDCs and 10 LDOs. The output voltages can be
configured by the SPI or I2C interface, they are meant to supply power
to the main processor and other components.

Signed-off-by: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-07-31 23:28:22 +02:00