The uart used with bluetooth chipset on the s400 has flow control available. Let's enable it. Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx> --- arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts index ba44b0419404..29ccb8ad0de6 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts @@ -543,8 +543,9 @@ &uart_A { status = "okay"; - pinctrl-0 = <&uart_a_pins>; + pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; pinctrl-names = "default"; + uart-has-rtscts; }; &uart_AO { -- 2.19.1