diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> | 2026-01-06 04:01:23 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2026-03-26 17:40:52 +0300 |
| commit | a8aef26417963f66a98f03f5473033fc2b022863 (patch) | |
| tree | 946d44d96490f856d07c668c57085b2948a02ded | |
| parent | c81ed57f613986df12009024c2674be1953bf6c9 (diff) | |
| download | linux-a8aef26417963f66a98f03f5473033fc2b022863.tar.xz | |
arm64: dts: qcom: sdm845-db845c: 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>
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>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 69 |
1 files changed, 59 insertions, 10 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts index 5118b776a9bb..02416812b6a7 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts @@ -276,6 +276,43 @@ 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 @@ 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 @@ 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 @@ }; &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 */ |