From: Oleg Lyovin <ovlevin@xxxxxxxxxxxxxx> The Amlogic A1 has a UART_AO port, which can be used, for example, for BT HCI H4 connection. This patch adds mux definitions for it. Signed-off-by: Oleg Lyovin <ovlevin@xxxxxxxxxxxxxx> Signed-off-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx> --- arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi index 0efd922ca7e1..3eb6aa9c00e0 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -118,6 +118,22 @@ gpio: bank@400 { gpio-ranges = <&periphs_pinctrl 0 0 62>; }; + uart_a_pins: uart_a { + mux { + groups = "uart_a_tx", + "uart_a_rx"; + function = "uart_a"; + }; + }; + + uart_a_cts_rts_pins: uart_a_cts_rts { + mux { + groups = "uart_a_cts", + "uart_a_rts"; + function = "uart_a"; + bias-pull-down; + }; + }; }; uart_AO: serial@1c00 { -- 2.36.0