From dba516fa1981250ab2e27535926532564f658bb1 Mon Sep 17 00:00:00 2001 From: Oleg Lyovin Date: Thu, 24 Aug 2023 00:36:24 +0300 Subject: arm64: dts: meson: a1: introduce UART_AO mux definitions 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 Signed-off-by: Dmitry Rokosov Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20230823213630.12936-10-ddrokosov@sberdevices.ru Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/arm64/boot/dts/amlogic') diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi index fcaeed3791be..e2f7c719f9bb 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -126,6 +126,22 @@ 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; + }; + }; }; gpio_intc: interrupt-controller@440 { -- cgit v1.2.3