| # |
| # Copyright (c) 2021 Laird Connectivity |
| # Copyright (c) 2023 Nordic Semiconductor ASA |
| # Copyright (c) 2025 Marcin Lyda <elektromarcin@gmail.com> |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| |
| description: Microchip MCP7940N I2C RTC with battery-backed SRAM |
| |
| compatible: "microchip,mcp7940n" |
| |
| include: i2c-device.yaml |
| |
| properties: |
| reg: |
| required: true |
| |
| int-gpios: |
| type: phandle-array |
| description: | |
| Host input connected to the MCP7940N MFP open drain output pin |
| |
| Notifies when an alarm has triggered by asserting this line. |
| |
| vbat-enable: |
| type: boolean |
| description: | |
| Enables external battery backup functionality |