ARM64: dts: meson-axg: enable IR controller

Enable IR remote controller which found in Amlogic's Meson-AXG SoCs.
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-axg-s400.dts

@@ -20,3 +20,9 @@ aliases {
 &uart_AO {
 	status = "okay";
 };
+
+&ir {
+	status = "okay";
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+};

arch/arm64/boot/dts/amlogic/meson-axg.dtsi

@@ -342,6 +342,13 @@ gpio_ao: bank@14 {
 					#gpio-cells = <2>;
 					gpio-ranges = <&pinctrl_aobus 0 0 15>;
 				};
+
+				remote_input_ao_pins: remote_input_ao {
+					mux {
+						groups = "remote_input_ao";
+						function = "remote_input_ao";
+					};
+				};
 			};
 
 			pwm_AO_ab: pwm@7000 {
@@ -375,6 +382,13 @@ uart_AO_B: serial@4000 {
 				clock-names = "xtal", "pclk", "baud";
 				status = "disabled";
 			};
+
+			ir: ir@8000 {
+				compatible = "amlogic,meson-gxbb-ir";
+				reg = <0x0 0x8000 0x0 0x20>;
+				interrupts = <GIC_SPI 196 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+			};
 		};
 	};
 };