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 8d479bc8e677..1cc34fe003af 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -126,6 +126,22 @@ 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;
+ };
+ };
};
gpio_intc: interrupt-controller@440 {
--
2.36.0
