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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1.1 KiB
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43 lines
1.1 KiB
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.. SPDX-License-Identifier: GPL-2.0-or-later
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Kernel driver pt5161l
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=====================
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Supported chips:
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* Astera Labs PT5161L
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Prefix: 'pt5161l'
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Addresses scanned: I2C 0x20 - 0x27
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Datasheet: Not publicly available.
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Authors: Cosmo Chou <cosmo.chou@quantatw.com>
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Description
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-----------
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This driver implements support for temperature monitoring of Astera Labs
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PT5161L series PCIe retimer chips.
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This driver implementation originates from the CSDK available at
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https://github.com/facebook/openbmc/tree/helium/common/recipes-lib/retimer-v2.14
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The communication protocol utilized is based on the I2C/SMBus standard.
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Sysfs entries
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----------------
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================ ==============================================
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temp1_input Measured temperature (in millidegrees Celsius)
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================ ==============================================
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Debugfs entries
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----------------
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================ ===============================
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fw_load_status Firmware load status
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fw_ver Firmware version of the retimer
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heartbeat_status Heartbeat status
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================ ===============================
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