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Merge remote-tracking branch 'freescale-imx/imx_3.10.17_1.0.0_ga' into toradex_imx_3.10.17_1.0.0_ga-next
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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
(cherry picked from commit c07a24939f36fb6de522a9726369ea64eee5d98d)
(cherry picked from commit cfec286ff9f375c2c289072d63cedbb0c7917a48)
(cherry picked from commit df8c0fa1f66b7267402391f4a21964b0aeee9e38)
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GPIO number 0 *is* legal and must be accepted.
Set .ena_gpio to -ENODEV on regulators having no GPIO in preparation
of a code change to accept GPIO 0 in the config.
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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>
(cherry picked from commit 0780208ff201feb45e12ebecb39ecac4740b1244)
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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>
(cherry picked from commit 4d286178d55cc5811d50750a44eb729252adef11)
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit 2cee2121db44cfeee206d0854bedd52344eea444)
Signed-off-by: Robin Gong <b38343@freescale.com>
(cherry picked from commit 88236aaba4ed9b89a7873b30fc1ca9cdcb6b407d)
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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>
(cherry picked from commit e6c4c3378d82c5eeb136ed06b1a23651bcdaf739)
(cherry picked from commit 12c7dd7c396378fd6dc907903a4ae540a75b31f5)
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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>
(cherry picked from commit f2518480c7b744296a5587990a54e3a284d932b8)
Conflicts:
drivers/regulator/pfuze100-regulator.c
(cherry picked from commit f9e62732cfb59ff68fed303bbbb3913d2f1002bf)
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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
(cherry picked from commit c07a24939f36fb6de522a9726369ea64eee5d98d)
(cherry picked from commit cfec286ff9f375c2c289072d63cedbb0c7917a48)
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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>
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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>
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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>
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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>
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i2c drivers use "i2c:" prefix for module alias.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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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>
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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>
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fix building warning and correct the binding doc
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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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>
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