arm64: dts: qcom: sm8550-qrd: add the Wifi node

Describe the ath12k WLAN on-board the WCN7850 module present on the
board.

[Neil: authored the initial version of the change]

Co-developed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240605122729.24283-2-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8550-qrd.dts

@@ -214,6 +214,68 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	wcn7850-pmu {
+		compatible = "qcom,wcn7850-pmu";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&wlan_en>, <&pmk8550_sleep_clk>;
+
+		wlan-enable-gpios = <&tlmm 80 GPIO_ACTIVE_HIGH>;
+		/*
+		 * TODO Add bt-enable-gpios once the Bluetooth driver is
+		 * converted to using the power sequencer.
+		 */
+
+		vdd-supply = <&vreg_s5g_0p85>;
+		vddio-supply = <&vreg_l15b_1p8>;
+		vddaon-supply = <&vreg_s2g_0p85>;
+		vdddig-supply = <&vreg_s4e_0p95>;
+		vddrfa1p2-supply = <&vreg_s4g_1p25>;
+		vddrfa1p8-supply = <&vreg_s6g_1p86>;
+
+		regulators {
+			vreg_pmu_rfa_cmn: ldo0 {
+				regulator-name = "vreg_pmu_rfa_cmn";
+			};
+
+			vreg_pmu_aon_0p59: ldo1 {
+				regulator-name = "vreg_pmu_aon_0p59";
+			};
+
+			vreg_pmu_wlcx_0p8: ldo2 {
+				regulator-name = "vreg_pmu_wlcx_0p8";
+			};
+
+			vreg_pmu_wlmx_0p85: ldo3 {
+				regulator-name = "vreg_pmu_wlmx_0p85";
+			};
+
+			vreg_pmu_btcmx_0p85: ldo4 {
+				regulator-name = "vreg_pmu_btcmx_0p85";
+			};
+
+			vreg_pmu_rfa_0p8: ldo5 {
+				regulator-name = "vreg_pmu_rfa_0p8";
+			};
+
+			vreg_pmu_rfa_1p2: ldo6 {
+				regulator-name = "vreg_pmu_rfa_1p2";
+			};
+
+			vreg_pmu_rfa_1p8: ldo7 {
+				regulator-name = "vreg_pmu_rfa_1p8";
+			};
+
+			vreg_pmu_pcie_0p9: ldo8 {
+				regulator-name = "vreg_pmu_pcie_0p9";
+			};
+
+			vreg_pmu_pcie_1p8: ldo9 {
+				regulator-name = "vreg_pmu_pcie_1p8";
+			};
+		};
+	};
 };
 
 &apps_rsc {
@@ -808,6 +870,23 @@
 	status = "okay";
 };
 
+&pcieport0 {
+	wifi@0 {
+		compatible = "pci17cb,1107";
+		reg = <0x10000 0x0 0x0 0x0 0x0>;
+
+		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+		vddaon-supply = <&vreg_pmu_aon_0p59>;
+		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+		vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+		vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
+		vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;
+		vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;
+	};
+};
+
 &pcie0_phy {
 	vdda-phy-supply = <&vreg_l1e_0p88>;
 	vdda-pll-supply = <&vreg_l3e_1p2>;
@@ -891,6 +970,17 @@
 	status = "okay";
 };
 
+&pmk8550_gpios {
+	pmk8550_sleep_clk: sleep-clk-state {
+		pins = "gpio3";
+		function = "func1";
+		input-disable;
+		output-enable;
+		bias-disable;
+		power-source = <0>;
+	};
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
@@ -1064,6 +1154,13 @@
 		bias-disable;
 		output-low;
 	};
+
+	wlan_en: wlan-en-state {
+		pins = "gpio80";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-down;
+	};
 };
 
 &uart7 {

arch/arm64/boot/dts/qcom/sm8550.dtsi

@@ -1784,7 +1784,7 @@
 
 			status = "disabled";
 
-			pcie@0 {
+			pcieport0: pcie@0 {
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
 				bus-range = <0x01 0xff>;