Linux kernel stable tree https://git.rulkc.org/pub/scm/linux/kernel/git/stable/linux.git/atom?h=master 2023-05-20T16:30:33+00:00 2023-05-20T16:30:33+00:00 Herve Codina herve.codina@bootlin.com 2023-05-09T16:08:51+00:00 urn:sha1:66bfc528a6fd5225e59ea4bbca0665aad38f1567 The Renesas X9250 integrates four digitally controlled potentiometers. On each potentiometer, the X9250T has a 100 kOhms total resistance and the X9250U has a 50 kOhms total resistance. Signed-off-by: Herve Codina <herve.codina@bootlin.com> Link: https://lore.kernel.org/r/20230509160852.158101-3-herve.codina@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2022-02-26T18:39:27+00:00 Jagath Jog J jagathjog1996@gmail.com 2022-02-23T16:35:24+00:00 urn:sha1:73c169857c1294ce08ece597278003b795881eb1 The DS3502 is a 7-bit, nonvolatile digital potentiometer featuring an output voltage range of up to 15.5V. DS3502 support is added into existing DS1803 driver. Datasheet: https://datasheets.maximintegrated.com/en/ds/DS3502.pdf Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220223163525.13399-7-jagathjog1996@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2021-08-15T14:38:16+00:00 Mugilraj Dhavachelvan dmugil2000@gmail.com 2021-08-14T17:55:40+00:00 urn:sha1:d03a74bfaccefcf271bf8e889c31229aa521cd66 The AD5110/AD5112/AD5114 provide a nonvolatile solution for 128-/64-/32-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/AD5110_5112_5114.pdf Signed-off-by: Mugilraj Dhavachelvan <dmugil2000@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210814175607.48399-3-dmugil2000@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2019-08-05T13:25:08+00:00 Martin Kaiser martin@kaiser.cx 2019-07-31T14:07:05+00:00 urn:sha1:425c6f1063955fd2335b44b6ba628de3e3a81b4d Add a driver for the Maxim Integrated MAX5432-MAX5435 family of digital potentiometers. These potentiometers are connected via I2C and have 32 wiper positions. Supported functionality - set the volatile wiper position - read the potentiometer scale Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX5432-MAX5435.pdf Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2019-05-21T08:50:46+00:00 Thomas Gleixner tglx@linutronix.de 2019-05-19T12:07:45+00:00 urn:sha1:ec8f24b7faaf3d4799a7c3f4c1b87f6b02778ad1 Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-04-04T19:19:56+00:00 Enrico Weigelt, metux IT consult info@metux.net 2019-03-06T14:52:23+00:00 urn:sha1:d626be00e856c0cec3b5f420e7f061829538d63b Formatting of Kconfig files doesn't look so pretty, so just take damp cloth and clean it up. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2018-11-25T12:35:26+00:00 Chris Coffey cmc@babblebit.net 2018-11-20T14:17:13+00:00 urn:sha1:092cb71a604e2d8dd3b79fddef779a2d4aaad5a8 This patch adds driver support for the Microchip MCP41xxx/42xxx family of digital potentiometers: DEVICE Wipers Positions Resistance (kOhm) MCP41010 1 256 10 MCP41050 1 256 50 MCP41100 1 256 100 MCP42010 2 256 10 MCP42050 2 256 50 MCP42100 2 256 100 Datasheet: http://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf Signed-off-by: Chris Coffey <cmc@babblebit.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2018-03-10T16:03:25+00:00 Peter Rosin peda@axentia.se 2018-03-08T19:58:30+00:00 urn:sha1:5214ad6dcc1bf72ea60a72741a0143356b8d66b7 Add support for Microchip digital potentiometers and rheostats MCP4017, MCP4018, MCP4019 They all have one wiper with 128 steps and come in 5, 10, 50 and 100 kOhm variations. Datasheet: http://www.microchip.com/downloads/en/DeviceDoc/22147a.pdf Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2018-02-10T15:48:08+00:00 Phil Reid preid@electromag.com.au 2018-02-09T00:57:27+00:00 urn:sha1:79e8a32d2aa9e98b1560cbe107e750f07807d8c7 Add implementation for Analog Devices AD5272 and AD5274 digital potentiometer devices. Signed-off-by: Phil Reid <preid@electromag.com.au> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 2017-01-28T12:13:31+00:00 Matt Weber matthew.weber@rockwellcollins.com 2017-01-26T20:26:15+00:00 urn:sha1:df1fd2de118e3bf980e2bbada16c650b9eea529b Add implementation for Maxim Integrated 5481, 5482, 5483, and 5484 digital potentiometer devices. Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX5481-MAX5484.pdf Signed-off-by: Maury Anderson <maury.anderson@rockwellcollins.com> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Slawomir Stepien <sst@poczta.fm> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>