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arm64: dts: qcom: sdm845-shift-axolotl: 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.

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260415-axolotl-wifi-v1-1-07df39cfc0a4@ixit.cz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
David Heidelberg 2026-04-15 13:56:08 +02:00 committed by Bjorn Andersson
parent 32fbd42e6b
commit 487c97b671
1 changed files with 55 additions and 10 deletions
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65
arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
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@ -105,6 +105,43 @@ vreg_s4a_1p8: pm8998-smps4 {
vin-supply = <&vph_pwr>;
};
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 {
@ -546,6 +583,13 @@ &mss_pil {
};
&pm8998_gpios {
sw_ctrl_default: sw-ctrl-default-state {
pins = "gpio3";
function = "normal";
input-enable;
bias-pull-down;
};
volume_up_gpio: pm8998-gpio6-state {
pinconf {
pins = "gpio6";
@ -784,10 +828,11 @@ bluetooth {
*/
firmware-name = "SHIFT/axolotl/crnv21.bin";
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>;
};
};
@ -842,14 +887,14 @@ &venus {
};
&wifi {
status = "okay";
vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
vdd-3.3-ch1-supply = <&vreg_l23a_3p3>;
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 = "shift_axolotl";
qcom,snoc-host-cap-8bit-quirk;
status = "okay";
};