VBUS is supplied by an external regulator controlled by a GPIO pin. This
patch models the regulator as regulator-usb3-vbus.
Cc: Andy Gross <agross@xxxxxxxxxx>
Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qcs404-evb.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
index abfb2a9a37e9..01ef59e8e5b7 100644
--- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
@@ -33,6 +33,18 @@ vdd_esmps3_3p3: vdd-esmps3-3p3-regulator {
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
+
+ usb3_vbus_reg: regulator-usb3-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "VBUS_BOOST_5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&pms405_gpios 3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_vbus_boost_pin>;
+ vin-supply = <&vph_pwr>;
+ enable-active-high;
+ };
};
&blsp1_uart3 {
--
2.25.0
