[PATCH v2 6/6] arm64: dts: qcom: qrb2210-rb1: add Bluetooth support

[Dmitry Baryshkov]

Add support for the onboard WCN3950 BT/WiFi chip. Corresponding firmware
has been merged to linux-firmware and should be available in the next
release.

Bluetooth: hci0: setting up wcn399x
Bluetooth: hci0: QCA Product ID   :0x0000000f
Bluetooth: hci0: QCA SOC Version  :0x40070120
Bluetooth: hci0: QCA ROM Version  :0x00000102
Bluetooth: hci0: QCA Patch Version:0x00000001
Bluetooth: hci0: QCA controller version 0x01200102
Bluetooth: hci0: QCA Downloading qca/cmbtfw12.tlv
Bluetooth: hci0: QCA Downloading qca/cmnv12.bin
Bluetooth: hci0: QCA setup on UART is completed

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 82 ++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index 7a789b41c2f1887f0c41ae24da2e2fe8915ab13c..b9248505fadd3b986e188976435b786f43975dc3 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -15,6 +15,7 @@ / {
 
 	aliases {
 		serial0 = &uart4;
+		serial1 = &uart3;
 		sdhc1 = &sdhc_1;
 		sdhc2 = &sdhc_2;
 	};
@@ -549,6 +550,66 @@ can@0 {
 };
 
 &tlmm {
+	uart3_default: uart3-default-state {
+		cts-pins {
+			pins = "gpio8";
+			function = "qup3";
+			drive-strength = <2>;
+			bias-bus-hold;
+		};
+
+		rts-pins {
+			pins = "gpio9";
+			function = "qup3";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		tx-pins {
+			pins = "gpio10";
+			function = "qup3";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		rx-pins {
+			pins = "gpio11";
+			function = "qup3";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
+	uart3_sleep: uart3-sleep-state {
+		cts-pins {
+			pins = "gpio8";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-bus-hold;
+		};
+
+		rts-pins {
+			pins = "gpio9";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+
+		tx-pins {
+			pins = "gpio10";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		rx-pins {
+			pins = "gpio11";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
 	lt9611_rst_pin: lt9611-rst-state {
 		pins = "gpio41";
 		function = "gpio";
@@ -584,6 +645,27 @@ key_volp_n: key-volp-n-state {
 	};
 };
 
+&uart3 {
+	/delete-property/ interrupts;
+	interrupts-extended = <&intc GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
+			      <&tlmm 11 IRQ_TYPE_LEVEL_HIGH>;
+	pinctrl-0 = <&uart3_default>;
+	pinctrl-1 = <&uart3_sleep>;
+	pinctrl-names = "default", "sleep";
+	status = "okay";
+
+	bluetooth {
+		compatible = "qcom,wcn3950-bt";
+
+		vddio-supply = <&pm4125_l15>;
+		vddxo-supply = <&pm4125_l13>;
+		vddrf-supply = <&pm4125_l10>;
+		vddch0-supply = <&pm4125_l22>;
+		enable-gpios = <&tlmm 87 GPIO_ACTIVE_HIGH>;
+		max-speed = <3200000>;
+	};
+};
+
 /* UART connected to the Micro-USB port via a FTDI chip */
 &uart4 {
 	compatible = "qcom,geni-debug-uart";

-- 
2.39.5