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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
if PLATFORM_EC_USB_POWER_DELIVERY
config PLATFORM_EC_USB_PD_DISCHARGE
bool "Board can discharge VBUS"
default y
help
Enable this if the board can enable VBUS discharge (eg. through a
GPIO-controlled discharge circuit, or through port controller
registers) to discharge VBUS rapidly on disconnect
choice PLATFORM_EC_USB_PD_DISCHARGE_MODE
prompt "Select the discharge method"
depends on PLATFORM_EC_USB_PD_DISCHARGE
config PLATFORM_EC_USB_PD_DISCHARGE_GPIO
bool "GPIO control"
help
Enable this if the discharge circuit is controlled by a GPIO
TODO: How to specify the GPIO?
config PLATFORM_EC_USB_PD_DISCHARGE_TCPC
bool "Discharge circuit is provided by the TCPC"
help
Enable this if the discharge circuit is provided by Power-Delivery
resistors on the USB Type-C Port Controller (TCPC).
config PLATFORM_EC_USB_PD_DISCHARGE_PPC
bool "Discharge circuit is provided by the PPC"
help
Enable this if the discharge circuit is using Power Delivery
resistors on the Power Path Controller.
endchoice # PLATFORM_EC_USB_PD_DISCHARGE_MODE
endif # PLATFORM_EC_USB_POWER_DELIVERY
endif # PLATFORM_EC_USBC
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