Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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39 lines
1004 B
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Kernel driver MCP3021
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=====================
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Supported chips:
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* Microchip Technology MCP3021
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Prefix: 'mcp3021'
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Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21805a.pdf
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* Microchip Technology MCP3221
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Prefix: 'mcp3221'
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Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21732c.pdf
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Authors:
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- Mingkai Hu
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- Sven Schuchmann <schuchmann@schleissheimer.de>
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Description
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-----------
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This driver implements support for the Microchip Technology MCP3021 and
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MCP3221 chip.
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The Microchip Technology Inc. MCP3021 is a successive approximation A/D
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converter (ADC) with 10-bit resolution. The MCP3221 has 12-bit resolution.
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These devices provide one single-ended input with very low power consumption.
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Communication to the MCP3021/MCP3221 is performed using a 2-wire I2C
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compatible interface. Standard (100 kHz) and Fast (400 kHz) I2C modes are
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available. The default I2C device address is 0x4d (contact the Microchip
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factory for additional address options).
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