arm64: dts: qcom: sm6115: Add UART3

Hook up UART3, usually used for communicating with a Bluetooth module.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231120-topic-rb2_bt-v2-1-4bbf266258ef@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm6115.dtsi

@@ -273,6 +273,25 @@ memory@80000000 {
 		reg = <0 0x80000000 0 0>;
 	};
 
+	qup_opp_table: opp-table-qup {
+		compatible = "operating-points-v2";
+
+		opp-75000000 {
+			opp-hz = /bits/ 64 <75000000>;
+			required-opps = <&rpmpd_opp_low_svs>;
+		};
+
+		opp-100000000 {
+			opp-hz = /bits/ 64 <100000000>;
+			required-opps = <&rpmpd_opp_svs>;
+		};
+
+		opp-128000000 {
+			opp-hz = /bits/ 64 <128000000>;
+			required-opps = <&rpmpd_opp_nom>;
+		};
+	};
+
 	pmu {
 		compatible = "arm,armv8-pmuv3";
 		interrupts = <GIC_PPI 6 IRQ_TYPE_LEVEL_HIGH>;
@@ -1208,6 +1227,17 @@ spi3: spi@4a8c000 {
 				status = "disabled";
 			};
 
+			uart3: serial@4a8c000 {
+				compatible = "qcom,geni-uart";
+				reg = <0x0 0x04a8c000 0x0 0x4000>;
+				interrupts-extended = <&intc GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&gcc GCC_QUPV3_WRAP0_S3_CLK>;
+				clock-names = "se";
+				power-domains = <&rpmpd SM6115_VDDCX>;
+				operating-points-v2 = <&qup_opp_table>;
+				status = "disabled";
+			};
+
 			i2c4: i2c@4a90000 {
 				compatible = "qcom,geni-i2c";
 				reg = <0x0 0x04a90000 0x0 0x4000>;