Add node to support uart3.

Signed-off-by: Wojciech Slenska <wojciech.slenska@gmail.com>
---
 arch/arm64/boot/dts/qcom/qcm2290.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
index 79bc42ffb6a1..0fae49d6ff16 100644
--- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
@@ -550,6 +550,13 @@ qup_uart0_default: qup-uart0-default-state {
 				bias-disable;
 			};
 
+			qup_uart3_default: qup-uart3-default-state {
+				pins = "gpio8", "gpio9", "gpio10", "gpio11";
+				function = "qup3";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
 			qup_uart4_default: qup-uart4-default-state {
 				pins = "gpio12", "gpio13";
 				function = "qup4";
@@ -1239,6 +1246,23 @@ &qup_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>,
 				status = "disabled";
 			};
 
+			uart3: serial@4a8c000 {
+				compatible = "qcom,geni-uart";
+				reg = <0x0 0x04a8c000 0x0 0x4000>;
+				interrupts = <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&gcc GCC_QUPV3_WRAP0_S3_CLK>;
+				clock-names = "se";
+				pinctrl-0 = <&qup_uart3_default>;
+				pinctrl-names = "default";
+				interconnects = <&qup_virt MASTER_QUP_CORE_0 RPM_ALWAYS_TAG
+						 &qup_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>,
+						<&bimc MASTER_APPSS_PROC RPM_ALWAYS_TAG
+						 &config_noc MASTER_APPSS_PROC RPM_ALWAYS_TAG>;
+				interconnect-names = "qup-core",
+						     "qup-config";
+				status = "disabled";
+			};
+
 			i2c4: i2c@4a90000 {
 				compatible = "qcom,geni-i2c";
 				reg = <0x0 0x04a90000 0x0 0x4000>;
-- 
2.34.1