[PATCH v1 5/6] arm64: dts: meson: a1: introduce UART_AO mux definitions
Dmitry Rokosov
ddrokosov at sberdevices.ru
Wed Jun 7 13:16:40 PDT 2023
From: Oleg Lyovin <ovlevin at sberdevices.ru>
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 at sberdevices.ru>
Signed-off-by: Dmitry Rokosov <ddrokosov at sberdevices.ru>
---
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 at 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 at 1c00 {
--
2.36.0
More information about the linux-amlogic
mailing list