Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual page 170

To start execution of the linked list of descriptors:
• Write the absolute address of the first descriptor to the LINKADR field of the LDMA_CH0_LINK register
• Set the LINK bit of LDMA_CH0_LINK register.
• Configure the LDMA_CH0REQSEL register for the desired peripheral or select none for memory-to-memory
• Clear and enable interrupts as desired
• Set bit 0 in the LDMA_LINKLOAD register to initiate loading and execution of the first descriptor
Alternativley, software can manually copy the first descriptor contents to the LDMA_CH0_CTRL, LDMA_CH0_SRC, LDMA_CH0_DST,
and LDMA_CH0_LINK registers and then enable the channel in the LDMA_CHEN register.
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Reference Manual
LDMA - Linked DMA Controller
Rev. 1.1 | 170