Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
... there should be a way to double that.
The old way:
uint32_t tmpreg = 0;
tmpreg = RCC->DCKCFGR;
tmpreg |= RCC_DCKCFGR_TIMPRE;
RCC->DCKCFGR = tmpreg;