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Previously, the PFUZE100 would try to allocate gpio0 io0 because
config.ena_gpio defaults to 0, which can be a valid GPIO. To prevent this
from happening, set this parameter to -EINVAL.
Signed-off-by: Sean Cross <xobs@kosagi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The SWB regulators have the ability to be turned on and off. Add
enable/disable support for these regulators.
Signed-off-by: Sean Cross <xobs@kosagi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Also remove PFUZE_NUM to avoid below build warnings:
CC [M] drivers/regulator/pfuze100-regulator.o
drivers/regulator/pfuze100-regulator.c:86:2: warning: excess elements in array initializer [enabled by default]
drivers/regulator/pfuze100-regulator.c:86:2: warning: (near initialization for 'pfuze_device_id') [enabled by default]
drivers/regulator/pfuze100-regulator.c:93:2: warning: excess elements in array initializer [enabled by default]
drivers/regulator/pfuze100-regulator.c:93:2: warning: (near initialization for 'pfuze_dt_ids') [enabled by default]
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
support pfuze200 chip which remove SW1C and SW4 based on pfuze100.
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
If of_node_get() fails, we should return an error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Since commit d7857c42 (regulator: pfuze100: Use of_get_child_by_name) we get
the following probe failure:
pfuze100-regulator 1-0008: Full layer: 1, Metal layer: 0
pfuze100-regulator 1-0008: FAB: 0, FIN: 0
pfuze100-regulator 1-0008: regulators node not found
pfuze100-regulator: probe of 1-0008 failed with error -22
Now that of_get_child_by_name() is used we should adjust the device_node pointer
'np' to not get the parent node anymore.
Suggested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
of_find_node_by_name walks the allnodes list, and can thus walk
outside of the parent node. Use of_get_child_by_name instead.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
'lay' is not very meaningful, so use it 'layer' instead to let the dev_info()
clearer.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix the following checkpatch error and warning:
ERROR: switch and case should be at the same indent
#311: FILE: drivers/regulator/pfuze100-regulator.c:311:
+ switch (value & 0x0f) {
[...]
+ case 0x8:
[...]
+ case 0x0:
[...]
+ default:
WARNING: line over 80 characters
#312: FILE: drivers/regulator/pfuze100-regulator.c:312:
+ /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.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: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
prior to week 08 of 2013 Freescale misprogrammed between 1 and 3% of
PFUZE1000 parts with a ID=0x8 instead of the expected ID=0x0
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
According to the datasheet, the address of FABID is 0x4. Fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
max_register should be register count - 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Simplify the equation to calculate ramp_delay.
Below equations are equivalent:
ramp_delay = 25000 / (2 * ramp_delay);
ramp_delay = 50000 / (4 * ramp_delay);
ramp_delay = 25000 / (2 * ramp_delay);
ramp_delay = 12500 / ramp_delay;
So we don't need to read BIT6 of rdev->desc->vsel_reg for applying different
equations.
Also use rdev->desc->vsel_reg instead of run-time calculate register address.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Current code adjust min_uV and uV_step but missed adjusting the n_voltages
setting.
When BIT6 is clear:
n_voltages = (1975000 - 400000) / 25000 + 1 = 64
When BIT6 is set:
n_voltages = (3300000 - 800000) / 50000 + 1 = 51
The n_voltages needs update because when BIT6 is set 0x73 ~ 0x7f are reserved.
When using regulator_list_voltage_linear, the n_voltages does matter here
because wrong n_voltages setting make the equation return wrong result.
e.g. if selector is 63, regulator_list_voltage_linear returns
800000 + (50000 * 63) = 4000000
It should return -EINVAL if the selector is in the range of 51 ~ 63.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
All table based voltage list have ascendant order.
Use regulator_map_voltage_ascend for them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Since this is a i2c driver, use i2c_[set|get]_clientdata instead of
dev_[set|get]_drvdata.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix building error on x86_64 and i386:
WARNING: modpost: missing MODULE_LICENSE() in
drivers/regulator/pfuze100-regulator.o
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Add pfuze100 regulator driver.
Signed-off-by: Robin Gong <b38343@freescale.com>
Tested-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
