arm64: dts: qcom: sda660-ifc6560: describe WiFi/BT properly

The onboard WiFi / BT device, WCN3990, has a simple on-chip PMU, which
further spreads generated voltage. Describe the PMU in the device tree.

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260106-wcn3990-pwrctl-v2-12-0386204328be@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
index 74cb29cb7f1a60a3e805a52f4b01fc79f0ea7506..9e14f53b552eb07616e637375bf078e9b3042b7e 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
+++ b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
@@ -108,6 +108,43 @@
                regulator-always-on;
                regulator-boot-on;
        };
+
+       wcn3990-pmu {
+               compatible = "qcom,wcn3990-pmu";
+
+               pinctrl-0 = <&sw_ctrl_default>;
+               pinctrl-names = "default";
+
+               vddio-supply = <&vreg_l13a_1p8>;
+               vddxo-supply = <&vreg_l9a_1p8>;
+               vddrf-supply = <&vreg_l6a_1p3>;
+               vddch0-supply = <&vreg_l19a_3p3>;
+               vddch1-supply = <&vreg_l8b_3p3>;
+
+               swctrl-gpios = <&pm660_gpios 5 GPIO_ACTIVE_HIGH>;
+
+               regulators {
+                       vreg_pmu_io: ldo0 {
+                               regulator-name = "vreg_pmu_io";
+                       };
+
+                       vreg_pmu_xo: ldo1 {
+                               regulator-name = "vreg_pmu_xo";
+                       };
+
+                       vreg_pmu_rf: ldo2 {
+                               regulator-name = "vreg_pmu_rf";
+                       };
+
+                       vreg_pmu_ch0: ldo3 {
+                               regulator-name = "vreg_pmu_ch0";
+                       };
+
+                       vreg_pmu_ch1: ldo4 {
+                               regulator-name = "vreg_pmu_ch1";
+                       };
+               };
+       };
 };
 
 &adreno_gpu {
@@ -197,10 +234,10 @@
        bluetooth {
                compatible = "qcom,wcn3990-bt";
 
-               vddio-supply = <&vreg_l13a_1p8>;
-               vddxo-supply = <&vreg_l9a_1p8>;
-               vddrf-supply = <&vreg_l6a_1p3>;
-               vddch0-supply = <&vreg_l19a_3p3>;
+               vddio-supply = <&vreg_pmu_io>;
+               vddxo-supply = <&vreg_pmu_xo>;
+               vddrf-supply = <&vreg_pmu_rf>;
+               vddch0-supply = <&vreg_pmu_ch0>;
                max-speed = <3200000>;
        };
 };
@@ -238,6 +275,16 @@
        linux,code = <KEY_VOLUMEUP>;
 };
 
+&pm660_gpios {
+       sw_ctrl_default: sw-ctrl-default-state {
+               pins = "gpio5";
+               function = "normal";
+
+               input-enable;
+               bias-pull-down;
+       };
+};
+
 &qusb2phy0 {
        status = "okay";
 
@@ -503,11 +550,14 @@
 };
 
 &wifi {
+       /* SoC */
        vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
-       vdd-1.8-xo-supply = <&vreg_l9a_1p8>;
-       vdd-1.3-rfa-supply = <&vreg_l6a_1p3>;
-       vdd-3.3-ch0-supply = <&vreg_l19a_3p3>;
-       vdd-3.3-ch1-supply = <&vreg_l8b_3p3>;
+
+       /* WiFi / BT PMU */
+       vdd-1.8-xo-supply = <&vreg_pmu_xo>;
+       vdd-1.3-rfa-supply = <&vreg_pmu_rf>;
+       vdd-3.3-ch0-supply = <&vreg_pmu_ch0>;
+       vdd-3.3-ch1-supply = <&vreg_pmu_ch1>;
 
        qcom,calibration-variant = "Inforce_IFC6560";