3 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index be56b9fae2aa..9212fca6eb94 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -324,6 +324,14 @@
                                 status = "disabled";
                         };
 
+                        uart_AO_B: serial@4e0 {
+                                compatible = "amlogic,meson-uart";
+                                reg = <0x0 0x004e0 0x0 0x14>;
+                                interrupts = <GIC_SPI 197 IRQ_TYPE_EDGE_RISING>;
+                                clocks = <&xtal>;
+                                status = "disabled";
+                        };
+
                         ir: ir@580 {
                                 compatible = "amlogic,meson-gxbb-ir";
                                 reg = <0x0 0x00580 0x0 0x40>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 5d686334f692..474435e21759 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -138,6 +138,13 @@
                         };
                 };
 
+                uart_ao_b_pins: uart_ao_b {
+                        mux {
+                                groups = "uart_tx_ao_b", "uart_rx_ao_b";
+                                function = "uart_ao_b";
+                        };
+                };
+
                 remote_input_ao_pins: remote_input_ao {
                         mux {
                                 groups = "remote_input_ao";
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index 69216246275d..6d815f9930c9 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -88,6 +88,13 @@
                         };
                 };
 
+                uart_ao_b_pins: uart_ao_b {
+                        mux {
+                                groups = "uart_tx_ao_b", "uart_rx_ao_b";
+                                function = "uart_ao_b";
+                        };
+                };
+
                 remote_input_ao_pins: remote_input_ao {
                         mux {
                                 groups = "remote_input_ao";