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These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.
This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.
While add it, also remove commas after the sentinel entries.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://msgid.link/r/20240513080525.2353168-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
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Since the driver mcp16502 depends on CONFIG_OF,
it makes no difference to wrap of_match_ptr() here.
Remove of_match_ptr() macros to clean it up.
Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com>
Link: https://lore.kernel.org/r/20230809100428.2669817-5-chenjiahao16@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The mcp16502 regulator driver includes the legacy header
<linux/gpio.h> for no reason, it is already using the proper
<linux/gpio/consumer.h> include. Drop the include.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230808-descriptors-regulator-v1-7-939b5e84dd18@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de
Link: https://lore.kernel.org/r/20230505220218.1239542-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org
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This follows on the change ("regulator: Set PROBE_PREFER_ASYNCHRONOUS
for drivers that existed in 4.14") but changes regulators didn't exist
in Linux 4.19 but did exist in Linux 5.4.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20230316125351.3.I45bf925ca9537da5f647e2acb0ad207c0c98af81@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add description for MCP16502_REG_HPM to prevent a kernel-doc warning:
drivers/regulator/mcp16502.c:90: warning: Enum value 'MCP16502_REG_HPM' not described in enum 'mcp16502_reg'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230117070139.28905-1-rdunlap@infradead.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use regulator_set_ramp_delay_regmap instead of open-coded.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210526125026.82549-2-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the new .probe_new for mcp16502.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210526125026.82549-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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On some platform (e.g. SAMA7G5) LPM pin should be optional as it can
be controlled explicitly (via shutdown controller registers) in the
platform specific power saving code to decrease the power consumption
while suspended as this SoC pin may be connected to other devices that
could take power saving actions based on its value.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1610028927-9842-3-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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struct mcp16502 has no members called rdev or rmap. Remove the
documentation.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1605280870-32432-7-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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MCP16502 have configurable ramp delay support (via DVSR bits in
regulators' CFG register).
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1605280870-32432-6-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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MCP16502 have multiple registers for each regulator (as described
in enum mcp16502_reg). Adapt the code to be able to get/set all these
registers. This is necessary for the following commits.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1605280870-32432-5-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Selectors b/w zero and VDD_LOW_SEL are not valid. Use linear_min_sel.
Fixes: 919261c03e7ca ("regulator: mcp16502: add regulator driver for MCP16502")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1605280870-32432-4-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Change the regulator helpers to use common linear_ranges code.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/64f01d5e381b8631a271616b7790f9d5640974fb.1588944082.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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It seems a little bit odd current code pass struct regulator_config rather
than a pointer to setup_regulators. The setup_regulators is so simple and
only has one caller, so remove it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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At the context with rdev, we can use rdev->regmap instead of mcp->rmap.
The *rdev[NUM_REGULATORS] is not required because current code uses
devm_regulator_register() so we don't need to store *rdev for clean up
paths.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The module version is unlikely to be updated, use kernel version should be
enough.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix below build error:
drivers/regulator/mcp16502.c: In function ‘mcp16502_gpio_set_mode’:
drivers/regulator/mcp16502.c:135:3: error: implicit declaration of function ‘gpiod_set_value’; did you mean ‘gpio_set_value’? [-Werror=implicit-function-declaration]
gpiod_set_value(mcp->lpm, 0);
^~~~~~~~~~~~~~~
gpio_set_value
drivers/regulator/mcp16502.c: In function ‘mcp16502_probe’:
drivers/regulator/mcp16502.c:486:13: error: implicit declaration of function ‘devm_gpiod_get’; did you mean ‘devm_gpio_free’? [-Werror=implicit-function-declaration]
mcp->lpm = devm_gpiod_get(dev, "lpm", GPIOD_OUT_LOW);
^~~~~~~~~~~~~~
devm_gpio_free
drivers/regulator/mcp16502.c:486:40: error: ‘GPIOD_OUT_LOW’ undeclared (first use in this function); did you mean ‘GPIOF_INIT_LOW’?
mcp->lpm = devm_gpiod_get(dev, "lpm", GPIOD_OUT_LOW);
^~~~~~~~~~~~~
GPIOF_INIT_LOW
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The n_voltages setting is not set, fix it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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mcp16502_suspend/resume_noirq
mcp16502_suspend/resume_noirq is only used by SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
when CONFIG_PM_SLEEP is defined.
So use #ifdef CONFIG_PM_SLEEP instead CONFIG_SUSPEND guard.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch does the following:
- align parameter with parenthesis
- fix compile error
If CONFIG_SUSPEND is not set the dummy pm_ops
callbacks are named mcp16502_suspend and mcp16502_resume
instead of mcp16502_suspend_noirq and mcp16502_resume_noirq.
Excerpt from compile log (kbuild test robot):
In file included from include/linux/device.h:23:0,
from include/linux/gpio/driver.h:5,
from include/asm-generic/gpio.h:13,
from include/linux/gpio.h:62,
from drivers/regulator/mcp16502.c:11:
>> drivers/regulator/mcp16502.c:527:32: error: 'mcp16502_suspend_noirq'
undeclared here (not in a function); did you mean 'mcp16502_suspend'?
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mcp16502_suspend_noirq,
>> drivers/regulator/mcp16502.c:528:10: error: 'mcp16502_resume_noirq'
undeclared here (not in a function); did you mean 'mcp16502_suspend_noirq'?
mcp16502_resume_noirq)
vim +527 drivers/regulator/mcp16502.c
524
525 #ifdef CONFIG_PM
526 static const struct dev_pm_ops mcp16502_pm_ops = {
> 527 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mcp16502_suspend_noirq,
> 528 mcp16502_resume_noirq)
529 };
530 #endif
531 static const struct i2c_device_id mcp16502_i2c_id[] = {
532 { "mcp16502", 0 },
533 { }
534 };
535 MODULE_DEVICE_TABLE(i2c, mcp16502_i2c_id);
536
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds support for entering/resuming suspend states.
It does this by setting the LPM pin of the PMIC.
When suspending the PMIC will enter the Low-power mode
when the LPM pin will be set to high. If the suspend target state
is suspend-to-mem, the PMIC will transition to Hibernate mode,
otherwise, if it is standby, it will remain in Low-power mode.
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch adds a regulator driver for the MCP16502 PMIC.
This drivers supports basic operations through the
regulator interface such as:
- setting/reading voltage
- setting/reading operating mode
- reading current status
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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