The onboard WiFi / BT device, WCN3950, has a simple on-chip PMU, which further spreads generated voltage. Describe the PMU in the device tree.
Signed-off-by: Dmitry Baryshkov <[email protected]> --- arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 60 +++++++++++++++++++++++++++----- 1 file changed, 52 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts index 1b9ca957a94b..4501bc34357b 100644 --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts @@ -235,6 +235,42 @@ platform { }; }; }; + + wcn3950-pmu { + compatible = "qcom,wcn3950-pmu"; + + pinctrl-0 = <&sw_ctrl_default>; + pinctrl-names = "default"; + + vddio-supply = <&pm4125_l15>; + vddxo-supply = <&pm4125_l13>; + vddrfa1p3-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 { @@ -679,6 +715,12 @@ lt9611_irq_pin: lt9611-irq-state { 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"; @@ -714,11 +756,10 @@ &uart3 { 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>; }; }; @@ -759,10 +800,13 @@ &venus { }; &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"; -- 2.47.3
