SPRUJ17H March 2022 – October 2024 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
The clocks provided to MMC/SD/SDIO are switched off upon a PRCM module request. They are switched back upon module request. The MMC/SD/SDIO host controller complies with the PRCM module handshaking protocol:
The idle acknowledgment varies according to the MMC_SYSCONFIG[4:3] SIDLEMODE bit field:
During the smart-idle mode period, the MMC/SD/SDIO host controller acknowledges that the OCP and Functional clocks may be switched off based on the values set in the MMC_SYSCONFIG[9:8] CLOCKACTIVITY field.