arm64: dts: qcom: sc7280: Add bluetooth node on SC7280 IDP boards

Add bluetooth SoC WCN6750 node for SC7280 IDP boards.
Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1639587963-22503-1-git-send-email-bgodavar@codeaurora.org

arch/arm64/boot/dts/qcom/sc7280-idp.dts

@@ -56,6 +56,10 @@ vreg_l6e_0p8: ldo6 {
 	};
 };
 
+&bluetooth {
+	vddio-supply = <&vreg_l19b_1p8>;
+};
+
 &ipa {
 	status = "okay";
 	modem-init;

arch/arm64/boot/dts/qcom/sc7280-idp.dtsi

@@ -14,6 +14,11 @@
 #include "pmk8350.dtsi"
 
 / {
+	aliases {
+		bluetooth0 = &bluetooth;
+		serial1 = &uart7;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		label = "gpio-keys";
@@ -422,6 +427,23 @@ &uart7 {
 				<&tlmm 31 IRQ_TYPE_EDGE_FALLING>;
 	pinctrl-names = "default", "sleep";
 	pinctrl-1 = <&qup_uart7_sleep_cts>, <&qup_uart7_sleep_rts>, <&qup_uart7_sleep_tx>, <&qup_uart7_sleep_rx>;
+
+	bluetooth: bluetooth {
+		compatible = "qcom,wcn6750-bt";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_en>, <&sw_ctrl>;
+		enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
+		swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
+		vddaon-supply = <&vreg_s7b_0p9>;
+		vddbtcxmx-supply = <&vreg_s7b_0p9>;
+		vddrfacmn-supply = <&vreg_s7b_0p9>;
+		vddrfa0p8-supply = <&vreg_s7b_0p9>;
+		vddrfa1p7-supply = <&vreg_s1b_1p8>;
+		vddrfa1p2-supply = <&vreg_s8b_1p2>;
+		vddrfa2p2-supply = <&vreg_s1c_2p2>;
+		vddasd-supply = <&vreg_l11c_2p8>;
+		max-speed = <3200000>;
+	};
 };
 
 /* PINCTRL - additions to nodes defined in sc7280.dtsi */
@@ -491,6 +513,13 @@ &qup_uart7_rx {
 };
 
 &tlmm {
+	bt_en: bt-en {
+		pins = "gpio85";
+		function = "gpio";
+		output-low;
+		bias-disable;
+	};
+
 	nvme_pwren: nvme-pwren {
 		function = "gpio";
 	};
@@ -554,6 +583,13 @@ qup_uart7_sleep_rx: qup-uart7-sleep-rx {
 		 */
 		bias-pull-up;
 	};
+
+	sw_ctrl: sw-ctrl {
+		pins = "gpio86";
+		function = "gpio";
+		input-enable;
+		bias-pull-down;
+	};
 };
 
 &sdc1_on {

arch/arm64/boot/dts/qcom/sc7280-idp2.dts

@@ -23,6 +23,10 @@ chosen {
 	};
 };
 
+&bluetooth {
+	vddio-supply = <&vreg_l18b_1p8>;
+};
+
 &nvme_pwren {
 	pins = "gpio51";
 };