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arm64: dts: qcom: sdm845-db845c: describe WiFi/BT properly

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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>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260106-wcn3990-pwrctl-v2-13-0386204328be@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Dmitry Baryshkov
2026-01-06 03:01:23 +02:00
committed by Bjorn Andersson
parent c81ed57f61
commit a8aef26417
1 changed files with 59 additions and 10 deletions
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69
arch/arm64/boot/dts/qcom/sdm845-db845c.dts
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@@ -276,6 +276,43 @@ vph_pwr: vph-pwr-regulator {
vin-supply = <&vbat_som>;
};
wcn3990-pmu {
compatible = "qcom,wcn3990-pmu";
pinctrl-0 = <&sw_ctrl_default>;
pinctrl-names = "default";
vddio-supply = <&vreg_s4a_1p8>;
vddxo-supply = <&vreg_l7a_1p8>;
vddrf-supply = <&vreg_l17a_1p3>;
vddch0-supply = <&vreg_l25a_3p3>;
vddch1-supply = <&vreg_l23a_3p3>;
swctrl-gpios = <&pm8998_gpios 3 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";
};
};
};
};
&adsp_pas {
@@ -659,6 +696,14 @@ cam0_avdd_2v8_en_default: cam0-avdd-2v8-en-state {
qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;
};
sw_ctrl_default: sw-ctrl-default-state {
pins = "gpio3";
function = "normal";
input-enable;
bias-pull-down;
};
vol_up_pin_a: vol-up-active-state {
pins = "gpio6";
function = "normal";
@@ -1038,10 +1083,11 @@ &uart6 {
bluetooth {
compatible = "qcom,wcn3990-bt";
vddio-supply = <&vreg_s4a_1p8>;
vddxo-supply = <&vreg_l7a_1p8>;
vddrf-supply = <&vreg_l17a_1p3>;
vddch0-supply = <&vreg_l25a_3p3>;
vddio-supply = <&vreg_pmu_io>;
vddxo-supply = <&vreg_pmu_xo>;
vddrf-supply = <&vreg_pmu_rf>;
vddch0-supply = <&vreg_pmu_ch0>;
max-speed = <3200000>;
};
};
@@ -1155,16 +1201,19 @@ right_spkr: speaker@0,2 {
};
&wifi {
status = "okay";
/* SoC */
vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
vdd-3.3-ch1-supply = <&vreg_l23a_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,snoc-host-cap-8bit-quirk;
qcom,calibration-variant = "Thundercomm_DB845C";
status = "okay";
};
/* PINCTRL - additions to nodes defined in sdm845.dtsi */