arm64: dts: rockchip: Add UART DMA support for RK3528
The UART ports on RK3528 have DMA capability, describe it. Flow control is optional, so dma-names are not added. Signed-off-by:Chukun Pan <amadeus@jmu.edu.cn> Link: https://lore.kernel.org/r/20250401100020.944658-4-amadeus@jmu.edu.cn Signed-off-by:
Heiko Stuebner <heiko@sntech.de>
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