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Fix the following checkpatch errors and warning.
ERROR: spaces required around that '=' (ctx:VxV)
ERROR: space required before the open parenthesis '('
WARNING: line over 80 characters
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warning.
WARNING: line over 80 characters
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warning.
WARNING: unnecessary whitespace before a quoted newline
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warnings.
WARNING: Avoid unnecessary line continuations
WARNING: line over 80 characters
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warnings.
WARNING: Avoid unnecessary line continuations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warning.
WARNING: quoted string split across lines
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warnings.
WARNING: please, no spaces at the start of a line
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warnings.
WARNING: braces {} are not necessary for any arm of this statement
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch warning.
WARNING: quoted string split across lines
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Correct spelling typo within various part of the kernel
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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>
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>
commit 40b1936e (regulator: Introduce TI Adaptive Body Bias(ABB) on-chip
LDO driver) missed a pair of brackets which cause the wrong vset data to be
picked up from efuse, resulting in bad VBB voltage values.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
As per the devicetree binding document of TPS65910, the "regulators"
subnode should be under the parent node, not outside of parent node.
Hence to get the regulator node, the correct call is
of_get_child_by_name() rather than of_find_node_by_name() which searches
the "regulators" node from the parent node to end of DTS file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
As per the devicetree binding document of TPS6586x, the "regulators"
subnode should be under the parent node, not outside of parent node.
Hence to get the regulator node, the correct call is
of_get_child_by_name() rather than of_find_node_by_name() which searches
the "regulators" node from the parent node to end of DTS file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
As per the devicetree binding document of TPS65090, the "regulators"
subnode should be under the parent node, not outside of parent node.
Hence to get the regulator node, the correct call is
of_get_child_by_name() rather than of_find_node_by_name() which searches
the "regulators" node from the parent node to end of DTS file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The device tree binding of Palmas regulator driver says as:
palmas_pmis {
compatible = "ti,palmas-pmic";
...
regulators {
...
}
};
In this "regulators" subnode is expected to be part of parent node, not
the outside of parent node. Hence to get the regulator node, the correct
call is of_get_child_by_name() rather than of_find_node_by_name() which
actually searches the "regulators" node from the parent node to end of DTS
file.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This helps people spot if they have missed a supply from a device tree or
equivalent data structure.
Suggested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
AS3722_SDx_VSEL_MAX means the maximum selecter, the n_voltages should be
AS3722_SDx_VSEL_MAX + 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix off-by-one in the equation to calculate max_uV and also adjust the _min_uV
setting accordingly.
For LDOs:
The voltage select bits set the LDO output voltage 0.825V...3.3V, 25mV steps
....00h : LDO off
01h-24h : V_LDO4 = 0.8V + ldo4_vsel * 25mV
= 0.825V + (ldo4_vsel - 1h) * 25mV
25h-3Fh : do not use
40h-7Fh : V_LDO4 = 1.725V + (ldo4_vsel - 40h) * 25mV
For SD2345:
The voltage select bits set the DC/DC output voltage level and power the DC/DC
converter down.
....00h : DC/DC powered down
01h-40h : V_SD2 = 0.6V + sd2_vsel * 12.5mV
= 0.6125V + (sd2_vsel - 1h) * 12.5mV
41h-70h : V_SD2 = 1.4V + (sd2_vsel - 40h) * 25mV
= 1.425V + (sd2_vsel - 41h) * 25mV
71h-7Fh : V_SD2 = 2.6V + (sd2_vsel - 70h) * 50mV
= 2.65V + (sd2_vsel - 71h) * 50mV
Note, the third entry in as3722_sd2345_ranges is wrong in current code.
Fix it based on the datasheet.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Keep busy-wait looping to a minimum while waiting for a regulator to
ramp-up to the target voltage. This follows the guidelines set forth
in Documentation/timers/timers-howto.txt and assumes that regulators
are never enabled in atomic context.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
On platforms like OMAP4460, LDO override is never used. Even though
efuse determines the ABB bias mode to operate at, ABB voltage is
preconfigured in internal efuse registers without the need for
LDO override for bias voltage. So skip optional parameter if
property is not present.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
As documented in Application Note SWPA117 v2.1(NDA), LDO override has a
requirement that when switching from Bias active + override active
mode(FBB/RBB) to Bypass(nominal) mode, LDO reset must be performed
*after* LDO transitions to Bypass(nominal) mode.
The same rule in reverse applies when switching from a ABB bypass mode
to ABB enabled - LDO override *must* be performed prior to transition to
required ABB mode, if we do not do that, the same glitch takes place.
Currently while transitioning to ABB bypass, we reset the LDO overide
prior to the transition which causes a few milliseconds where ABB LDO
voltage could go all the way to 800mV(based on SoC process node),
during this period, the delta voltage between VDD rail and VBB rail
could cause the system to improperly function.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
This patch adds basic Device Tree support to the da9210 regulator driver -
with no special properties, since also driver's platform data only contains
standard regulator initialisation parameters.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Ensure that the return value is always set when we return now that the
logic has changed for regulator_get_optional() so we don't get missing
codes leaking out.
Reported-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the linear range settings in commit 5ff26a14c3331
"regulator: wm831x-ldo: Convert to use linear ranges".
For wm831x_gp_ldo:
We have below equations for list voltage before converting to linear ranges:
sel <= 0xe:
volt = 0.9-1.6V in 50mV steps
sel <= 0x1f:
volt = 1.7-3.3V in 100mV steps
max_uV for the first linear range should be 1600000 rather than 1650000. Fix it.
For wm831x_aldo:
We have below equations for list voltage before converting to linear ranges:
sel <= 0xc:
volt = 1-1.6V in 50mV steps
sel <= 0x1f
volt = 1.7-3.5V in 100mV steps
max_uV for the first linear range should be 1600000 rather than 1650000. Fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
