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# SPDX-License-Identifier: GPL-2.0-only
menuconfig W1
tristate "Dallas's 1-wire support"
depends on HAS_IOMEM
---help---
Dallas' 1-wire bus is useful to connect slow 1-pin devices
such as iButtons and thermal sensors.
If you want W1 support, you should say Y here.
This W1 support can also be built as a module. If so, the module
will be called wire.
if W1
config W1_CON
depends on CONNECTOR
bool "Userspace communication over connector"
default y
---help---
This allows to communicate with userspace using connector. For more
information see <file:Documentation/driver-api/connector.rst>.
There are three types of messages between w1 core and userspace:
1. Events. They are generated each time new master or slave device found
either due to automatic or requested search.
2. Userspace commands. Includes read/write and search/alarm search commands.
3. Replies to userspace commands.
source "drivers/w1/masters/Kconfig"
source "drivers/w1/slaves/Kconfig"
endif # W1
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