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