linux-kernel - [PATCH v6 5/5] nvmem: eeprom: add documentation of sysfs sernum file

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Date:   Mon,  7 Jun 2021 10:26:38 +0200
From:   Jiri Prchal <jiri.prchal@...ignal.cz>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Christian Eggers <ceggers@...i.de>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Prchal <jiri.prchal@...ignal.cz>
Subject: [PATCH v6 5/5] nvmem: eeprom: add documentation of sysfs sernum file

Added sysfs sernum file documentation.

Signed-off-by: Jiri Prchal <jiri.prchal@...ignal.cz>
---
v5: new
v6: 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@...ignal.cz>
+Description:
+		Exports serial number of Cypress FRAM (FM25VN). 8 bytes as is in chip in hex string.
-- 
2.25.1