Messages in this thread Patch in this message |  | | From | Wolfram Sang <> | | Subject | [PATCH 3/3] i2c: slave: add documentation for i2c-slave-eeprom | | Date | Thu, 12 Mar 2015 13:42:03 +0100 |
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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- 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 00000000000000..c8444ef82acfa3 --- /dev/null +++ b/Documentation/i2c/slave-eeprom-backend @@ -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-direcory>/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. + -- 2.1.4
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