diff options
| author | David Heidelberg <david@ixit.cz> | 2026-04-15 13:56:08 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-05-16 21:49:58 -0500 |
| commit | 487c97b671e4f224adb9d74b9f14372e283bea32 (patch) | |
| tree | e74eb9106d40758646a01a64bae8a7f9b4113bc7 | |
| parent | 32fbd42e6b56aae4587c76f53a51d187add4eec7 (diff) | |
arm64: dts: qcom: sdm845-shift-axolotl: 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.
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>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts | 65 |
1 files changed, 55 insertions, 10 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts index 14a683ee3823..f21b914f22b5 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts @@ -105,6 +105,43 @@ 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 @@ }; &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 @@ */ 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 @@ }; &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"; }; |