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Commit c26bbb3c authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Greg Kroah-Hartman
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Documentation/ABI: document the nvmem sysfs files 



NVMEM has been in kernel since v4.2 but the ABI document was missing
since then. userspace interface did not change since then and seems
stable, so this patch documents the nvmem ABI.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 917c8c25

Documentation/ABI/stable/sysfs-bus-nvmem

0 → 100644
+19 −0
Original line number Diff line number Diff line 
What:		/sys/bus/nvmem/devices/.../nvmem

Date:		July 2015

KernelVersion:  4.2

Contact:	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Description:

		This file allows user to read/write the raw NVMEM contents.

		Permissions for write to this file depends on the nvmem

		provider configuration.



		ex:

		hexdump /sys/bus/nvmem/devices/qfprom0/nvmem



		0000000 0000 0000 0000 0000 0000 0000 0000 0000

		*

		00000a0 db10 2240 0000 e000 0c00 0c00 0000 0c00

		0000000 0000 0000 0000 0000 0000 0000 0000 0000

		...

		*

		0001000

MAINTAINERS

+1 −0
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@@ -9466,6 +9466,7 @@ M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> 
S:	Maintained

F:	drivers/nvmem/

F:	Documentation/devicetree/bindings/nvmem/

F:	Documentation/ABI/stable/sysfs-bus-nvmem

F:	include/linux/nvmem-consumer.h

F:	include/linux/nvmem-provider.h