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# Copyright 2022 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
if PLATFORM_EC_USBC
config PLATFORM_EC_USBC_RETIMER_INTEL_BB
bool "Support Intel Burnside Bridge retimer"
help
Enable this to support the Intel Burnside Bridge Thunderbolt / USB /
DisplayPort retimer.
Intel Burnside Bridge is a Type-C multi-protocol retimer to be used
in on-board applications. Burnside Bridge offers the ability to latch
protocol signals into on-chip memory before retransmitting them
onwards. It can be used to extend the physical length of the system
without increasing high-frequency jitter.
Burnside Bridge supports spec compliant retimer of following
protocols:
- Display Port: four unidirectional DP lanes
- USB3.1 Gen1/2: one bi-directional USB lane
- Thunderbolt: two bi-directional CIO lanes
- Multifunction Display (MFD): two unidirectional lanes of DP and
one bidirectional lane of USB3.1 Gen1/2
config PLATFORM_EC_USBC_RETIMER_INTEL_HB
bool "Support Intel Hayden Bridge retimer"
help
Enable this to support the Intel Hayden Bridge Thunderbolt / USB /
DisplayPort retimer.
Intel Hayden Bridge is a Type-C multi-protocol retimer to be used
in on-board applications. Hayden Bridge offers the ability to latch
protocol signals into on-chip memory before retransmitting them
onwards. It can be used to extend the physical length of the system
without increasing high-frequency jitter.
Hayden Bridge supports spec compliant retimer of following
protocols:
- Display Port: four unidirectional DP lanes
- USB3.2 Gen1/2: two bi-directional USB lanes
- Thunderbolt/USB4: two bi-directional USB4 lanes
- Multifunction Display (MFD): two unidirectional lanes of DP and
one bi-directional lane of USB3.2 Gen1/2
config PLATFORM_EC_USBC_RETIMER_INTEL_BB_RUNTIME_CONFIG
bool "Use runtime configuration of Intel Burnside Bridge"
depends on PLATFORM_EC_USBC_RETIMER_INTEL_BB
default y
help
Enable this to allow run-time configuration of the Burnside Bridge
driver structure. This makes the bb_controls[] array writable, i.e.
not const. It should be declared as such in the board config.
This is useful when the board has runtime information that changes
the configuration, such as Chromium OS Board Info (CBI set in the
factory. Without this, multiple EC images would need to be installed
depending on the board.
config PLATFORM_EC_USBC_RETIMER_INTEL_BB_VPRO_CAPABLE
bool "Enable vPro support for Intel Burnside Bridge"
depends on PLATFORM_EC_USBC_RETIMER_INTEL_BB
default n
help
Enable this config for Intel vPro supported platforms. It allows to
configure the Burnside Bridge retimer to support vPro, when connected
dock supports vPro.
config PLATFORM_EC_USBC_RETIMER_ANX7451
bool "Support Analogix ANX7451 10G Active Mux and Retimer"
help
ANX7451 is a 4x4 re-timing mux capable of switching DisplayPort (DP)
and USB3.2 Gen 2 10Gbps signals to support a single USB Type-C port.
ANX7451 has built-in re-timers to recover both the USB and DP signals
with loss compensation of 23dB for USB and up to 27dB for DP.
config PLATFORM_EC_USBC_RETIMER_ANX7483
bool "Support Analogix ANX7483 10G Active Retimer"
help
ANX7483 is a 4x4 re-driver capable of switching DisplayPort and
USB3.2 Gen 2 10Gbps signals to support type-C (USB-C) ports with
DisplayPort Alternate Mode.
config PLATFORM_EC_USBC_RETIMER_PS8811
bool "Support Parade PS8811 Single Port USB 3.1 Gen 2 10G Retimer"
help
The PS8811 is a one-port bidirectional USB 3.1 Gen 2 retimer that
integrates the UniEye equalizer and a retimer to re-condition USB 3.1
signals for long media link applications. It supports USB 3.1 Gen 2
with operation speed up to 10Gbps as well as Gen 1 operation at 5Gbps.
config PLATFORM_EC_USBC_RETIMER_PS8818
bool "Parade PS8818 USB Type-C Retimer for USB and DP Alternate Mode"
help
PS8818 is a 10Gbps retimer for Type-C applications with the
integrated USB3.1 and DisplayPort alternate mode port.
config PLATFORM_EC_USBC_RETIMER_KB800X
bool "Enable KB800X retimer"
help
The KB8001 is a Universal Serial Bus (USB) Type-C 40 Gb/s multiprotocol
switch and bidirectional Bit-Level Retimer (BLR) which supports:
- Display Port: four unidirectional DP lanes
- USB3.1 Gen1/2: one bi-directional USB lane
- USB4/Thunderbolt: two bi-directional CIO lanes
- Multifunction Display (MFD): two unidirectional lanes of DP and
one bidirectional lane of USB3.1 Gen1/2
config PLATFORM_EC_KB800X_CUSTOM_XBAR
bool "Use custom remapping of HSIO XBAR"
depends on PLATFORM_EC_USBC_RETIMER_KB800X
default n
help
Enable this to allow using a custom crossbar configuration for the HSIO
lanes.
endif # PLATFORM_EC_USBC
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