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| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-26 09:51:16 -0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-07-31 13:25:27 -0600 |
| commit | ccf988b66d697efcd0ceccc2398e0d9b909cd17c (patch) | |
| tree | 94022b812a20419675e4cac5af1540d75523d31d /Documentation/i2c/slave-eeprom-backend.rst | |
| parent | 09f4c750a8c7d1fc0b7bb3a7aa1de55de897a375 (diff) | |
docs: i2c: convert to ReST and add to driver-api bookset
Convert each file at I2C subsystem, renaming them to .rst and
adding to the driver-api book.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/i2c/slave-eeprom-backend.rst')
| -rw-r--r-- | Documentation/i2c/slave-eeprom-backend.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/i2c/slave-eeprom-backend.rst b/Documentation/i2c/slave-eeprom-backend.rst new file mode 100644 index 000000000000..0b8cd83698e0 --- /dev/null +++ b/Documentation/i2c/slave-eeprom-backend.rst @@ -0,0 +1,14 @@ +============================== +Linux I2C slave eeprom backend +============================== + +by Wolfram Sang <wsa@sang-engineering.com> in 2014-15 + +This is a proof-of-concept backend which acts like an EEPROM on the connected +I2C bus. The memory contents can be modified from userspace via this file +located in sysfs:: + + /sys/bus/i2c/devices/<device-directory>/slave-eeprom + +As of 2015, Linux doesn't support poll on binary sysfs files, so there is no +notification when another master changed the content. |