arm64: dts: qcom: sa8775p-ride: enable the BT UART port

Enable the high-speed UART port connected to the Bluetooth controller on
the sa8775p-adp development board.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230309103752.173541-10-brgl@bgdev.pl

arch/arm64/boot/dts/qcom/sa8775p-ride.dts

@@ -14,6 +14,7 @@ / {
 	aliases {
 		serial0 = &uart10;
 		serial1 = &uart12;
+		serial2 = &uart17;
 		i2c18 = &i2c18;
 		spi16 = &spi16;
 	};
@@ -93,6 +94,32 @@ qup_uart12_rx: qup-uart12-rx-pins {
 			bias-pull-down;
 		};
 	};
+
+	qup_uart17_default: qup-uart17-state {
+		qup_uart17_cts: qup-uart17-cts-pins {
+			pins = "gpio91";
+			function = "qup2_se3";
+			bias-disable;
+		};
+
+		qup_uart17_rts: qup0-uart17-rts-pins {
+			pins = "gpio92";
+			function = "qup2_se3";
+			bias-pull-down;
+		};
+
+		qup_uart17_tx: qup0-uart17-tx-pins {
+			pins = "gpio93";
+			function = "qup2_se3";
+			bias-pull-up;
+		};
+
+		qup_uart17_rx: qup0-uart17-rx-pins {
+			pins = "gpio94";
+			function = "qup2_se3";
+			bias-pull-down;
+		};
+	};
 };
 
 &uart10 {
@@ -108,6 +135,12 @@ &uart12 {
 	status = "okay";
 };
 
+&uart17 {
+	pinctrl-0 = <&qup_uart17_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &xo_board_clk {
 	clock-frequency = <38400000>;
 };