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arm64: dts: st: add DMA support on U(S)ART instances of stm32mp25
authorAmelie Delaunay <amelie.delaunay@foss.st.com>
Wed, 16 Oct 2024 12:39:59 +0000 (14:39 +0200)
committerAlexandre Torgue <alexandre.torgue@foss.st.com>
Tue, 29 Oct 2024 16:07:05 +0000 (17:07 +0100)
commit1e110e44467aeaff537e31bdbf8097fbf6a7c3b1
treeef13a1ec2659331802351c81df4420a4c85ff598tree
parentfab334f4cedc9f30d38b8dc028e1cdbe383dfdd7commit | diff
arm64: dts: st: add DMA support on U(S)ART instances of stm32mp25

Add dmas and dma-names properties in u(s)art nodes of stm32mp251.dtsi to
enable DMA support.
RX channel requires to prevent pack/unpack feature of DMA to avoid losing
bytes when interrupting RX transfer, as it uses a cyclic buffer.

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
arch/arm64/boot/dts/st/stm32mp251.dtsi diff | blob | history
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts diff | blob | history
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