| Commit message (Collapse) | Author | Age | Files | Lines |
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CONFIG_HOTPLUG is going away as an option. As a result, the __dev*
markings need to be removed.
This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from these drivers.
Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This patch modifies the DVS register read function to select correct DVS1
register. This change is required because the GPIO select pin is 000 in
unintialized state and hence selects the DVS1 register.
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Having a linear_min_sel setting means the first linear_min_sel selectors are
invalid. We need to subtract linear_min_sel when use n_voltages to determinate
if regulator can change voltage.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-change
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If it's possible for gpio_set_value to sleep, we should be using
the *_cansleep call instead. This patch fixes multiple warnings
from gpiolib.
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The cond-statement of this particular for() loop will always be
true as long as at least one voltage-shifting GPIO is present.
If it wasn't for the break below, we'd be stuck in a forever loop.
This patch inserts the correct cond-statement into the statement.
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Use DIV_ROUND_UP to ensure selected voltage won't less than min_uV due to
integer truncation.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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list_voltage_linear
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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regulators
Implement list_voltage for fixed regulators, otherwise
regulator_is_supported_voltage() returns 0.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This patch includes below cleanups:
- Fix typo in comment
- Fix showing wrong register in dev_err
- Remove unnecessary rinfo variable
- Add TPS80032 to MODULE_DESCRIPTION
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Fix BUG_ON() error if tps65910 VRTC regulator is used with out
rdev->desc->volt_table data. Recent changes in regulator core driver
which add support for "regulator_list_voltage_table" have BUG_ON() if
regulator descriptor do not voltage table information. This patch adds
the voltage table information to fix the issue.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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When building the driver in debug mode, it generates
warning as
drivers/regulator/tps6586x-regulator.c: In function 'tps6586x_regulator_probe':
drivers/regulator/tps6586x-regulator.c:392:9: warning: 'id' is used uninitialized in this function [-Wuninitialized]
Fix this warning.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reported-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This driver can be built as a module, add MODULE_ALIAS for it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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If pdata->base_voltage_uV is missing or the settings of pdata->base_voltage_uV
and pdata->max_voltage_uV are out of range, TPS51632_VOLT_VSEL macro
returns wrong vsel.
Thus add checking [base|max]_voltage_uV pdata settings in probe.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This patch fix the abnormal ramp delay setting.
The shift operation was wrong.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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regulator_[get|set]_voltage_sel_regmap
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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[get|set]_voltage_sel
Don't adjust the selector in [get|set]_voltage_sel, fix it in list_voltage() instead.
For smps*(except smps10), the vsel reg-value and voltage mapping as below:
reg-value volt (uV) ( Assume RANGE is x1 )
0 0
1 500000
2 500000
3 500000
4 500000
5 500000
6 500000 (0.49V + 1 * 0.01V) * RANGE
7 510000 (0.49V + 2 * 0.01V) * RANGE
8 520000 (0.49V + 3 * 0.01V) * RANGE
9 530000 (0.49V + 4 * 0.01V) * RANGE
....
The linear mapping is start from selector 6.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Call regulator_[get|set]_voltage_sel_regmap instead of open code.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Ying-Chun Liu <paulliu@debian.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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By setting linear_min_sel to anatop_reg->min_bit_val, we can avoid
adjust the anatop_reg->min_bit_val offset in [set|get]_voltage_sel.
With this chance we can refactor this driver to use
regulator_[get|set]_voltage_sel_regmap.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Ying-Chun Liu <paulliu@debian.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-min
Conflicts:
drivers/regulator/tps51632-regulator.c
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When tps->enable_pwm_dvfs is true, write to TPS51632_VOLTAGE_BASE_REG rather
than TPS51632_VOLTAGE_SELECT_REG.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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This driver can be converted to use linear_min_sel and
regulator_[map|list]_voltage_linear.
Below shows the equation (from Datasheet) for each LDOs.
For AUTOOUT:
VO(prog) = 0.625 + auto_out x 0.025 V; e.g.
(00000000 to 00101110: reserved)
00101111: 1.8 V (min)
01010011: 2.7 V
01101010: 3.275 V
01101011: 3.300 V
01101100: 3.325 V
01111111 : 3.800 V (max)
The linear mapping start from 0x2f selector.
Thus we convert this equation to:
VO(prog) = 1.8 + (selector - linear_min_sel) x 0.025 V
(min_uV = 1800000, uV_step = 25000, linear_min_sel = 0x2f)
For DOWNxOUT:
VO(prog) = 0.625 + downx_out x 0.025 V; e.g.
00000000 : 0.625 V (min)
00010111 : 1.200 V
00101111 : 1.800 V
01011111 : 3.000 V (max)
For xLDOOUT:
VO(prog) = 0.9 + xldo_out x 0.1 V; e.g.
00000: 0.9 V
00001: 1.0 V
11000 : 3.3 V
11011 : 3.6 V
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-min
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Some drivers (at least 3 drivers) have such variant of linear mapping that
the first few selectors are invalid and the reset are linear mapping.
Let's support this case in core.
This patch adds linear_min_sel in struct regulator_desc,
so we can allow specific minimal selector for starting linear mapping.
Then extends regulator_[map|list]_voltage_linear() to support this feature.
Note that for selectors less than min_linear_index, we need count them to
n_voltages so regulator_list_voltage() won't fail while checking the boundary
for selector before calling list_voltage callback.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-max8997
Conflicts:
drivers/regulator/max8997.c
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Add device tree based discovery support for max8997.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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In case the gpio based volatage selection mode is not used for either of
buck 1/2/5, then only the BUCKxDVS1 register need to be programmed. So
determine whether dvs mode is used and limit the loop count appropriately.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The BUCKxDVSx register programming is now moved prior to setting up of the
gpio based dvs mode. This will ensure that all the BUCKxDVSx registers
are programmed with appropriate voltage values before the gpio based dvs
mode is selected for buck1/2/5.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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If external control is enabled then do not provide regulator
enable/disable apis.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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