kernel/linux.git/drivers/hwmon/pmbus, branch v6.3.2

hwmon: (pmbus/fsp-3y) Fix functionality bitmask in FSP-3Y YM-2151E

2023-05-11T14:17:10+00:00

[ Upstream commit 93822f5161a2dc57a60b95b35b3cb8589f53413e ] The bit flags in pmbus_driver_info functionality for YM-2151E chip were joined with a comma operator instead of a bitwise OR. This means that the last constant PMBUS_HAVE_IIN was not OR-ed with the other PM_BUS_HAVE_* constants for this page but it initialized the next element of the func array (which was not accessed from anywhere because of the number of pages). However, there is no need for setting PMBUS_HAVE_IIN in the 5Vsb page because this command does not seem to be paged. Obviously, the device only has one IIN sensor, so it doesn't make sense to query it again from the second page. Fixes: 1734b4135a62 ("hwmon: Add driver for fsp-3y PSUs and PDUs") Signed-off-by: Jan Kundrát Signed-off-by: Tomáš Pecka Link: https://lore.kernel.org/r/20230420171939.212040-1-tomas.pecka@cesnet.cz Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin

hwmon: (adm1266) Set `can_sleep` flag for GPIO chip

2023-03-16T02:14:04+00:00

The adm1266 driver uses I2C bus access in its GPIO chip `set` and `get` implementation. This means these functions can sleep and the GPIO chip should set the `can_sleep` property to true. This will ensure that a warning is printed when trying to set or get the GPIO value from a context that potentially can't sleep. Fixes: d98dfad35c38 ("hwmon: (pmbus/adm1266) Add support for GPIOs") Signed-off-by: Lars-Peter Clausen Link: https://lore.kernel.org/r/20230314093146.2443845-1-lars@metafoo.de Signed-off-by: Guenter Roeck

hwmon: (ucd90320) Add minimum delay between bus accesses

2023-03-12T21:05:40+00:00

When probing the ucd90320 access to some of the registers randomly fails. Sometimes it NACKs a transfer, sometimes it returns just random data and the PEC check fails. Experimentation shows that this seems to be triggered by a register access directly back to back with a previous register write. Experimentation also shows that inserting a small delay after register writes makes the issue go away. Use a similar solution to what the max15301 driver does to solve the same problem. Create a custom set of bus read and write functions that make sure that the delay is added. Fixes: a470f11c5ba2 ("hwmon: (pmbus/ucd9000) Add support for UCD90320 Power Sequencer") Signed-off-by: Lars-Peter Clausen Link: https://lore.kernel.org/r/20230312160312.2227405-1-lars@metafoo.de Signed-off-by: Guenter Roeck

hwmon: (pmbus/max16601) Add support for MAX16600

2023-02-03T15:30:11+00:00

From programming perspective, MAX16600 is identical to MAX16601 and MAX16602. Add support for it. Cc: Steve Foreman Cc: Holly Barrett Signed-off-by: Guenter Roeck

hwmon: (pmbus/tda38640) Add driver for Infineon TDA38640 Voltage Regulator

2023-02-03T15:30:10+00:00

Add the pmbus driver for the Infineon TDA38640 voltage regulator. Signed-off-by: Patrick Rudolph Signed-off-by: Naresh Solanki Link: https://lore.kernel.org/r/20230124202317.3704963-2-Naresh.Solanki@9elements.com Signed-off-by: Guenter Roeck

hwmon: (pmbus/mpq7932) Add a support for mpq7932 Power Management IC

2023-02-03T15:30:09+00:00

The MPQ7932 is a power management IC designed to operate from 5V buses to power a variety of Advanced driver-assistance system SOCs. Six integrated buck converters with hardware monitoring capability powers a variety of target rails configurable over PMBus interface. Signed-off-by: Saravanan Sekar Link: https://lore.kernel.org/r/20221207173716.123223-4-saravanan@linumiz.com [groeck: Modified multi-line comments to match standard comment style] Signed-off-by: Guenter Roeck

hwmon: (pmbus/core) Add min_uV in pmbus regulator helper macro

2023-02-03T15:30:09+00:00

Some regulator operates in a range of voltage which should not allow below the lower threshold. Signed-off-by: Saravanan Sekar Link: https://lore.kernel.org/r/20221207173716.123223-2-saravanan@linumiz.com Signed-off-by: Guenter Roeck

hwmon: (pmbus/core) Implement regulator get_status

2022-12-05T00:45:03+00:00

Add get_status for pmbus_regulator_ops. Signed-off-by: Patrick Rudolph Signed-off-by: Naresh Solanki Link: https://lore.kernel.org/r/20221124193642.4081054-1-Naresh.Solanki@9elements.com Signed-off-by: Guenter Roeck

hwmon: (pmbus) Add power good support

2022-12-05T00:45:03+00:00

Update error flags with regulation out if regulator is on & power good status bit is set Signed-off-by: Patrick Rudolph Signed-off-by: Naresh Solanki Link: https://lore.kernel.org/r/20221117184022.1808508-1-Naresh.Solanki@9elements.com Signed-off-by: Guenter Roeck

hwmon: Include when appropriate

2022-12-05T00:45:02+00:00

The kstrto() functions have been moved from kernel.h to kstrtox.h. So, include the latter directly in the appropriate files. Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/51688cf50bda44e2731381a31287c62319388783.1667763218.git.christophe.jaillet@wanadoo.fr Signed-off-by: Guenter Roeck