From: Oleg Lyovin <ovlevin@sberdevices.ru>
Date: Wed, 23 Aug 2023 21:36:24 +0000 (+0300)
Subject: arm64: dts: meson: a1: introduce UART_AO mux definitions
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=dba516fa1981250ab2e27535926532564f658bb1;p=linux.git

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 <ovlevin@sberdevices.ru>
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230823213630.12936-10-ddrokosov@sberdevices.ru
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---

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 {