arm64: dts: qcom: qrb2210-rb1: describe WiFi/BT properly

The onboard WiFi / BT device, WCN3950, 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-v2-10-0386204328be@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index 9814ac4896c5e2255f003565d4e22f80d7bb0193..737794cb8b1c793b17ff69e1e6e60af196a22e40 100644 (file)
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -235,6 +235,42 @@
                        };
                };
        };
+
+       wcn3950-pmu {
+               compatible = "qcom,wcn3950-pmu";
+
+               pinctrl-0 = <&sw_ctrl_default>;
+               pinctrl-names = "default";
+
+               vddio-supply = <&pm4125_l15>;
+               vddxo-supply = <&pm4125_l13>;
+               vddrf-supply = <&pm4125_l10>;
+               vddch0-supply = <&pm4125_l22>;
+
+               swctrl-gpios = <&tlmm 87 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";
+                       };
+               };
+       };
 };
 
 &cpu_pd0 {
@@ -754,6 +790,12 @@
                bias-disable;
        };
 
+       sw_ctrl_default: sw-ctrl-default-state {
+               pins = "gpio87";
+               function = "gpio";
+               bias-pull-down;
+       };
+
        sd_det_in_on: sd-det-in-on-state {
                pins = "gpio88";
                function = "gpio";
@@ -789,11 +831,10 @@
        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>;
+               vddio-supply = <&vreg_pmu_io>;
+               vddxo-supply = <&vreg_pmu_xo>;
+               vddrf-supply = <&vreg_pmu_rf>;
+               vddch0-supply = <&vreg_pmu_ch0>;
                max-speed = <3200000>;
        };
 };
@@ -834,10 +875,13 @@
 };
 
 &wifi {
+       /* SoC */
        vdd-0.8-cx-mx-supply = <&pm4125_l7>;
-       vdd-1.8-xo-supply = <&pm4125_l13>;
-       vdd-1.3-rfa-supply = <&pm4125_l10>;
-       vdd-3.3-ch0-supply = <&pm4125_l22>;
+
+       /* 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>;
        qcom,calibration-variant = "Thundercomm_RB1";
        firmware-name = "qcm2290";
        status = "okay";