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Piotr Kubik a2317231df net: pse-pd: Add Si3474 PSE controller driver
Add a driver for the Skyworks Si3474 I2C Power Sourcing Equipment
controller.

Driver supports basic features of Si3474 IC:
- get port status,
- get port power,
- get port voltage,
- enable/disable port power.

Only 4p configurations are supported at this moment.

Signed-off-by: Piotr Kubik <piotr.kubik@adtran.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/9b72c8cd-c8d3-4053-9c80-671b9481d166@adtran.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-08-28 14:41:59 +02:00

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# SPDX-License-Identifier: GPL-2.0-only
#
# Ethernet Power Sourcing Equipment drivers
#
menuconfig PSE_CONTROLLER
bool "Ethernet Power Sourcing Equipment Support"
depends on REGULATOR
help
Generic Power Sourcing Equipment Controller support.
If unsure, say no.
if PSE_CONTROLLER
config PSE_REGULATOR
tristate "Regulator based PSE controller"
help
This module provides support for simple regulator based Ethernet Power
Sourcing Equipment without automatic classification support. For
example for basic implementation of PoDL (802.3bu) specification.
config PSE_PD692X0
tristate "PD692X0 PSE controller"
depends on I2C
select FW_LOADER
select FW_UPLOAD
help
This module provides support for PD692x0 regulator based Ethernet
Power Sourcing Equipment.
To compile this driver as a module, choose M here: the
module will be called pd692x0.
config PSE_SI3474
tristate "Si3474 PSE controller"
depends on I2C
help
This module provides support for Si3474 regulator based Ethernet
Power Sourcing Equipment.
Only 4-pair PSE configurations are supported.
To compile this driver as a module, choose M here: the
module will be called si3474.
config PSE_TPS23881
tristate "TPS23881 PSE controller"
depends on I2C
help
This module provides support for TPS23881 regulator based Ethernet
Power Sourcing Equipment.
To compile this driver as a module, choose M here: the
module will be called tps23881.
endif