[PATCH v7 5/5] nvmem: eeprom: add documentation of sysfs sernum file

Added sysfs sernum file documentation.

Signed-off-by: Jiri Prchal <redacted>
---
v5: new
v6: no change here
v7: no change here
---
 Documentation/ABI/testing/sysfs-class-spi-eeprom | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-spi-eeprom

diff --git a/Documentation/ABI/testing/sysfs-class-spi-eeprom b/Documentation/ABI/testing/sysfs-class-spi-eeprom
new file mode 100644
index 000000000000..4f063a97b735
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-spi-eeprom

@@ -0,0 +1,6 @@
+What:		/sys/class/spi_master/spi<bus>/spi<bus>.<dev>/sernum
+Date:		May 2021
+KernelVersion:	5.12.1
+Contact:	Jiri Prchal <jiri.prchal@aksignal.cz>
+Description:
+		Exports serial number of Cypress FRAM (FM25VN). 8 bytes as is in chip in hex string.

-- 
2.25.1