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# SPDX-License-Identifier: GPL-2.0
#
# MHI bus
#
# Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
#
config MHI_BUS
tristate "Modem Host Interface (MHI) bus"
help
Bus driver for MHI protocol. Modem Host Interface (MHI) is a
communication protocol used by the host processors to control
and communicate with modem devices over a high speed peripheral
bus or shared memory.
config MHI_BUS_DEBUG
bool "Debugfs support for the MHI bus"
depends on MHI_BUS && DEBUG_FS
help
Enable debugfs support for use with the MHI transport. Allows
reading and/or modifying some values within the MHI controller
for debug and test purposes.
config MHI_BUS_PCI_GENERIC
tristate "MHI PCI controller driver"
depends on MHI_BUS
depends on PCI
help
This driver provides MHI PCI controller driver for devices such as
Qualcomm SDX55 based PCIe modems.
config MHI_UCI
tristate "MHI UCI"
depends on MHI_BUS
help
MHI based Userspace Client Interface (UCI) driver is used for
transferring raw data between host and device using standard file
operations from userspace. Open, read, write, poll and close
operations are supported by this driver. Please check
mhi_uci_match_table for all supported channels that are exposed to
userspace.
To compile this driver as a module, choose M here: the module will be
called mhi_uci.
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