1# Copyright (c) 2022 Google Inc.
2# SPDX-License-Identifier: Apache-2.0
3
4description: |
5  STM32 Battery Backed RAM
6
7  STM32 BBRAM are 32-bit registers which can be used for storing user
8  application data. They are implemented in the backup domain that remains
9  powered-on by VBAT when the VDD power is switched off. They are not reset
10  by system reset or when the device wakes up from Standby mode. They are
11  reset by a backup domain reset.
12
13compatible: "st,stm32-bbram"
14
15include: base.yaml
16
17properties:
18  st,backup-regs:
19    type: int
20    required: true
21    description: Number of available backup registers.
22