projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| ec8f24b7 | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 012bfdf0 | 2 | menuconfig W1 |
| 1da177e4 | 3 | tristate "Dallas's 1-wire support" |
| 012bfdf0 | 4 | depends on HAS_IOMEM |
| a7f7f624 | 5 | help |
| 46e07f6e | 6 | Dallas' 1-wire bus is useful to connect slow 1-pin devices |
| 1da177e4 | 7 | such as iButtons and thermal sensors. |
| 7785925d | 8 | |
| 1da177e4 LT |
9 | If you want W1 support, you should say Y here. |
| 10 | ||
| 11 | This W1 support can also be built as a module. If so, the module | |
| 4737f097 | 12 | will be called wire. |
| 1da177e4 | 13 | |
| 012bfdf0 JE |
14 | if W1 |
| 15 | ||
| 46e07f6e | 16 | config W1_CON |
| 012bfdf0 | 17 | depends on CONNECTOR |
| 46e07f6e EP |
18 | bool "Userspace communication over connector" |
| 19 | default y | |
| a7f7f624 | 20 | help |
| e403149c | 21 | This allows to communicate with userspace using connector. For more |
| baa293e9 | 22 | information see <file:Documentation/driver-api/connector.rst>. |
| 46e07f6e EP |
23 | There are three types of messages between w1 core and userspace: |
| 24 | 1. Events. They are generated each time new master or slave device found | |
| 25 | either due to automatic or requested search. | |
| 09509603 | 26 | 2. Userspace commands. Includes read/write and search/alarm search commands. |
| 46e07f6e EP |
27 | 3. Replies to userspace commands. |
| 28 | ||
| 8636a1f9 MY |
29 | source "drivers/w1/masters/Kconfig" |
| 30 | source "drivers/w1/slaves/Kconfig" | |
| 0a25e4d5 | 31 | |
| 012bfdf0 | 32 | endif # W1 |