arm64: dts: qcom: x1e80100-lenovo-yoga-slim7x: add Bluetooth support

To enable Bluetooth pwrseq appears to be required for the WCN7850.
Add the nodes from QCP, add the TODO hint for vreg_wcn_0p95 and
vreg_wcn_1p9
Add uart14 for the BT interface.

Tested-by: Anthony Ruhier <aruhier@mailbox.org>
Signed-off-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250624-slim7x-bt-v3-1-7ada18058419@oldschoolsolutions.biz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index dad0f11e8e8583df6fd8aeec5be2af86739d85fb..d02f8d4f7baf0a8e7c1bb95cd4a84ffe24ba8ef1 100644 (file)
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -18,6 +18,7 @@
 
        aliases {
                serial0 = &uart21;
+               serial1 = &uart14;
        };
 
        chosen {
@@ -404,6 +405,107 @@
                regulator-always-on;
                regulator-boot-on;
        };
+
+       vreg_wcn_3p3: regulator-wcn-3p3 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "VREG_WCN_3P3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&tlmm 214 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+
+               pinctrl-0 = <&wcn_sw_en>;
+               pinctrl-names = "default";
+
+               regulator-boot-on;
+       };
+
+       /*
+        * TODO: These two regulators are actually part of the removable M.2
+        * card and not the CRD mainboard. Need to describe this differently.
+        * Functionally it works correctly, because all we need to do is to
+        * turn on the actual 3.3V supply above.
+        */
+       vreg_wcn_0p95: regulator-wcn-0p95 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "VREG_WCN_0P95";
+               regulator-min-microvolt = <950000>;
+               regulator-max-microvolt = <950000>;
+
+               vin-supply = <&vreg_wcn_3p3>;
+       };
+
+       vreg_wcn_1p9: regulator-wcn-1p9 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "VREG_WCN_1P9";
+               regulator-min-microvolt = <1900000>;
+               regulator-max-microvolt = <1900000>;
+
+               vin-supply = <&vreg_wcn_3p3>;
+       };
+
+       wcn7850-pmu {
+               compatible = "qcom,wcn7850-pmu";
+
+               vdd-supply = <&vreg_wcn_0p95>;
+               vddio-supply = <&vreg_l15b_1p8>;
+               vddaon-supply = <&vreg_wcn_0p95>;
+               vdddig-supply = <&vreg_wcn_0p95>;
+               vddrfa1p2-supply = <&vreg_wcn_1p9>;
+               vddrfa1p8-supply = <&vreg_wcn_1p9>;
+
+               wlan-enable-gpios = <&tlmm 117 GPIO_ACTIVE_HIGH>;
+               bt-enable-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
+
+               pinctrl-0 = <&wcn_wlan_bt_en>;
+               pinctrl-names = "default";
+
+               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 {
@@ -1045,6 +1147,16 @@
        wifi@0 {
                compatible = "pci17cb,1107";
                reg = <0x10000 0x0 0x0 0x0 0x0>;
+
+               vddaon-supply = <&vreg_pmu_aon_0p59>;
+               vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+               vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+               vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+               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>;
        };
 };
 
@@ -1403,6 +1515,37 @@
                drive-strength = <2>;
                bias-disable;
        };
+
+       wcn_sw_en: wcn-sw-en-state {
+               pins = "gpio214";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-disable;
+       };
+
+       wcn_wlan_bt_en: wcn-wlan-bt-en-state {
+               pins = "gpio116", "gpio117";
+               function = "gpio";
+               drive-strength = <2>;
+               bias-disable;
+       };
+};
+
+&uart14 {
+       status = "okay";
+
+       bluetooth {
+               compatible = "qcom,wcn7850-bt";
+               max-speed = <3200000>;
+
+               vddaon-supply = <&vreg_pmu_aon_0p59>;
+               vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+               vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+               vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+               vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+               vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+               vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
+       };
 };
 
 &uart21 {