1 What: /sys/bus/nvmem/devices/.../cel 1 What: /sys/bus/nvmem/devices/.../cells/<cell-name>
2 Date: May 2023 2 Date: May 2023
3 KernelVersion: 6.5 3 KernelVersion: 6.5
4 Contact: Miquel Raynal <miquel.raynal@bo 4 Contact: Miquel Raynal <miquel.raynal@bootlin.com>
5 Description: 5 Description:
6 The "cells" folder contains on 6 The "cells" folder contains one file per cell exposed by the
7 NVMEM device. The name of the < 7 NVMEM device. The name of the file is: "<name>@<byte>,<bit>",
8 with <name> being the cell nam 8 with <name> being the cell name and <where> its location in
9 the NVMEM device, in hexadecim 9 the NVMEM device, in hexadecimal bytes and bits (without the
10 '0x' prefix, to mimic device t 10 '0x' prefix, to mimic device tree node names). The length of
11 the file is the size of the ce 11 the file is the size of the cell (when known). The content of
12 the file is the binary content 12 the file is the binary content of the cell (may sometimes be
13 ASCII, likely without trailing 13 ASCII, likely without trailing character).
14 Note: This file is only presen 14 Note: This file is only present if CONFIG_NVMEM_SYSFS
15 is enabled. 15 is enabled.
16 16
17 Example:: 17 Example::
18 18
19 hexdump -C /sys/bus/nvmem/de 19 hexdump -C /sys/bus/nvmem/devices/1-00563/cells/product-name@d,0
20 00000000 54 4e 34 38 4d 2d 20 00000000 54 4e 34 38 4d 2d 50 2d 44 4e |TN48M-P-DN|
21 0000000a 21 0000000a
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.