The UART_A is connect to a BT module in the S400 board.

Signed-off-by: Yixun Lan <[email protected]>
---
 arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts 
b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index 2b79be356996..7e03b8da4856 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -14,9 +14,16 @@
 
        aliases {
                serial0 = &uart_AO;
+               serial1 = &uart_A;
        };
 };
 
+&uart_A {
+       status = "okay";
+       pinctrl-0 = <&uart_a_pins>;
+       pinctrl-names = "default";
+};
+
 &uart_AO {
        status = "okay";
        pinctrl-0 = <&uart_ao_a_pins>;
-- 
2.15.1

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