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