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: Dmitry Baryshkov <[email protected]> --- .../arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts | 66 +++++++++++++++++++--- 1 file changed, 58 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts index 74cb29cb7f1a..b4ea79cbcb3f 100644 --- a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts +++ b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts @@ -108,6 +108,43 @@ vreg_l10a_1p8: vreg-l10a-regulator { regulator-always-on; regulator-boot-on; }; + + wcn3990-pmu { + compatible = "qcom,wcn3990-pmu"; + + pinctrl-0 = <&sw_ctrl_default>; + pinctrl-names = "default"; + + vddio-supply = <&vreg_l13a_1p8>; + vddxo-supply = <&vreg_l9a_1p8>; + vddrfa1p3-supply = <&vreg_l6a_1p3>; + vddch0-supply = <&vreg_l19a_3p3>; + vddch1-supply = <&vreg_l8b_3p3>; + + swctrl-gpios = <&pm660_gpios 5 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"; + }; + }; + }; }; &adreno_gpu { @@ -197,10 +234,10 @@ &blsp2_uart1 { bluetooth { compatible = "qcom,wcn3990-bt"; - vddio-supply = <&vreg_l13a_1p8>; - vddxo-supply = <&vreg_l9a_1p8>; - vddrf-supply = <&vreg_l6a_1p3>; - vddch0-supply = <&vreg_l19a_3p3>; + vddio-supply = <&vreg_pmu_io>; + vddxo-supply = <&vreg_pmu_xo>; + vddrf-supply = <&vreg_pmu_rf>; + vddch0-supply = <&vreg_pmu_ch0>; max-speed = <3200000>; }; }; @@ -238,6 +275,16 @@ &pon_resin { linux,code = <KEY_VOLUMEUP>; }; +&pm660_gpios { + sw_ctrl_default: sw-ctrl-default-state { + pins = "gpio5"; + function = "normal"; + + input-enable; + bias-pull-down; + }; +}; + &qusb2phy0 { status = "okay"; @@ -503,11 +550,14 @@ &usb3_qmpphy { }; &wifi { + /* SoC */ vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>; - vdd-1.8-xo-supply = <&vreg_l9a_1p8>; - vdd-1.3-rfa-supply = <&vreg_l6a_1p3>; - vdd-3.3-ch0-supply = <&vreg_l19a_3p3>; - vdd-3.3-ch1-supply = <&vreg_l8b_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,calibration-variant = "Inforce_IFC6560"; -- 2.47.3
