From d0c892f59c918535f902caea63637af87d931d91 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Mon, 23 Mar 2015 09:26:38 +0100 Subject: i2c: slave: add documentation for i2c-slave-eeprom Signed-off-by: Wolfram Sang Acked-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang --- Documentation/i2c/slave-eeprom-backend | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 Documentation/i2c/slave-eeprom-backend diff --git a/Documentation/i2c/slave-eeprom-backend b/Documentation/i2c/slave-eeprom-backend new file mode 100644 index 000000000000..c8444ef82acf --- /dev/null +++ b/Documentation/i2c/slave-eeprom-backend @@ -0,0 +1,14 @@ +Linux I2C slave eeprom backend +============================== + +by Wolfram Sang 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//slave-eeprom + +As of 2015, Linux doesn't support poll on binary sysfs files, so there is no +notfication when another master changed the content. + -- cgit v1.2.3-59-g8ed1b