1 What: /sys/bus/nvmem/devices/.../for
2 Date: June 2024
3 KernelVersion: 6.11
4 Contact: Marek Vasut <marex@denx.de>
5 Description:
6 This read/write attribute allo
7 devices as read-only and back
8 This can be used to unlock and
9 devices which are generally lo
10 programming operation.
11 Read returns '0' or '1' for re
12 respectively.
13 Write parses one of 'YyTt1NnFf
14 and "off", i.e. what kstrtoboo
15 Note: This file is only presen
16 is enabled.
17
18 What: /sys/bus/nvmem/devices/.../nvm
19 Date: July 2015
20 KernelVersion: 4.2
21 Contact: Srinivas Kandagatla <srinivas.k
22 Description:
23 This file allows user to read/
24 Permissions for write to this
25 provider configuration.
26 Note: This file is only presen
27 is enabled
28
29 ex::
30
31 hexdump /sys/bus/nvmem/devic
32
33 0000000 0000 0000 0000 0000
34 *
35 00000a0 db10 2240 0000 e000
36 0000000 0000 0000 0000 0000
37 ...
38 *
39 0001000
40
41 What: /sys/bus/nvmem/devices/.../typ
42 Date: November 2018
43 KernelVersion: 5.0
44 Contact: Alexandre Belloni <alexandre.be
45 Description:
46 This read-only attribute allow
47 device type. Supported types a
48 "OTP", "Battery backed", "FRAM
49 Note: This file is only presen
50 is enabled.
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