[PATCH v2 2/4] nvmem: Document type attribute

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Document a type attribute used by userspace to discern different types of
NVMEM devices. The implementation is already present, the ABI document is
missing, add it.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Bartosz Golaszewski <brgl@xxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Cc: linux-i2c@xxxxxxxxxxxxxxx
---
V2: - New patch
---
 Documentation/ABI/stable/sysfs-bus-nvmem | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-bus-nvmem b/Documentation/ABI/stable/sysfs-bus-nvmem
index 854bd11d72ac4..0e3a8492a1082 100644
--- a/Documentation/ABI/stable/sysfs-bus-nvmem
+++ b/Documentation/ABI/stable/sysfs-bus-nvmem
@@ -20,3 +20,14 @@ Description:
 		  ...
 		  *
 		  0001000
+
+What:		/sys/bus/nvmem/devices/.../type
+Date:		November 2018
+KernelVersion:	5.0
+Contact:	Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
+Description:
+		This read-only attribute allows user to read the NVMEM
+		device type. Supported types are "Unknown", "EEPROM",
+		"OTP", "Battery backed", "FRAM".
+		Note: This file is only present if CONFIG_NVMEM_SYSFS
+		is enabled
-- 
2.43.0





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