arm64: dts: amlogic: meson-s4: add UART_A node

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Add the UART_A node and its related pinctrl definitions to the
Meson S4 SoC dtsi.

The pinctrl groups are split into basic tx/rx and flow control (cts/rts)
to allow board-level flexibility.

This interface is typically used for Bluetooth communication on
boards like the Khadas VIM1S.

Signed-off-by: Nick Xie <nick@khadas.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://patch.msgid.link/20260228063750.701887-2-nick@khadas.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

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Nick Xie 2026-02-28 14:37:47 +08:00 • committed by Neil Armstrong

parent b5b481063f

commit a895042339

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arch/arm64/boot/dts/amlogic/meson-s4.dtsi

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