This page gives an overview of the bare-metal driver support for the Real Time Clock(RTC) module.
Table of Contents
| Table of Contents | ||
|---|---|---|
|
Introduction
The Zynq® UltraScale+™ MPSoC real time clock (RTC) provides the real time even when the device is powered off.When the device is off, the RTC is switched to the battery power supply. A battery-backed RAM (BBRAM) is
provided for when device is operating in the battery mode. However, the RTC controller and user interface are only
...
| Directory | Description |
|---|---|
| src | Driver source files, make and cmakelists file |
| examples | Example applications that show how to use the driver features |
| doc | Provides the API and data structure details |
| data | Driver .tcl , .mdd and .yaml files |
Note: AMD Xilinx embeddedsw build flow is changed from 2023.2 release to adapt to the new system device tree based flow. For further information, refer to the wiki page Porting embeddedsw components to system device tree (SDT) based flow - Xilinx Wiki - Confluence (atlassian.net).
The .yaml(in data folder)
...
and CMakeLists.txt(in src folder) files
...
are needed for the System Device Tree based flow. The Driver .tcl and .mdd files are for the older build flow which will be deprecated in the future.
Driver Implementation
For a full list of features supported by this IP, please refer Chapter 7: Real Time Clock in Zynqmp Trm
...