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TPS53647 and TPS53667 are single channel, Step-Down Buck Controllers.
TPS53647 supports 4 phases, TPS53667 supports 6 phases.
The chips do not support per-phase output telemetry.
Cc: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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TPS53681 is a dual-channel multiphase step-down controller
supporting per-phase and per-channel output telemetry.
Cc: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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All chips of this series with published datasheets support IIN, PIN, and
STATUS_INPUT PMBus commands. Per TI Power Management Forum, "TPS53679 and
TPS53681 have the same PMBus command set". There is no reason to believe
that this does not apply to TPS53688. Let's assume that this is correct
and add support for IIN, PIN, and STATUS_INPUT to TPS53679 and TPS53688
to simplify adding support for more chips of the same series.
At the same time, drop reporting VIN on channel 2. On chips with published
datasheets this voltage is identical to the voltage reported on channel 1,
and there is no reason to believe that this is different for TPS53679 and
TPS53888.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Chip specific support will be needed in the driver to be able to
support additional chips of the same series. Add support for it
to the driver.
To simplify adding support for more chips, call identification code
from the probe function. This lets us use a single structure for common
elements of struct pmbus_driver_info, thus reducing code size as support
for more chips is added.
Cc: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Extends driver with support of the additional devices:
Texas Instruments Dual channel DCAP+ multiphase controllers: TPS53688.
Extend Kconfig with added device.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-4-vadimp@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for VID protocol detection per page bases, instead of
detecting it based on "PMBU_VOUT" readout from page 0 for all the pages
supported by particular device.
The reason that some devices allows to configure different VID modes
per page within the same device.
Patch modifies the field "vrm_version" within the structure
"pmbus_driver_info" to be per page array.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-2-vadimp@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Based on 3 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1105 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If CONFIG_OF is not enabled, the following build warning is observed.
drivers/hwmon/pmbus/tps53679.c:100:34: warning:
‘tps53679_of_match’ defined but not used
Marking tps53679_of_match as __maybe_unused fixes the problem.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix tps53679_probe() by using dynamically allocated "pmbus_driver_info"
structure instead of static. Usage of static structures causes
overwritten of the field "vrm_version", in case the system is equipped
with several tps53679 devices with the different "vrm_version".
In such case the last probed device overwrites this field for all
others.
Fixes: 610526527a13 ("hwmon: (pmbus) Add support for Texas Instruments tps53679 device")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The below lists of VOUT_MODE command readout with their related VID
protocols, Digital to Analog Converter steps, supported by the device:
VR12.0 mode, 5-mV DAC - 0x21
VR12.5 mode, 10-mV DAC - 0x22
VR13.0 mode, 10-mV DAC - 0x24
IMVP8 mode, 5-mV DAC - 0x25
VR13.0 mode, 5-mV DAC - 0x27
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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