arm64: dts: qcom: qcs404-evb: Describe external VBUS regulator

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@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-msm@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20200311191517.8221-5-bryan.odonoghue@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
index 2d4e9db00afb1b5b8d627efb1e71dbb7af8619f0..11e2867f60d4f0e842389d28e78527da906d8331 100644 (file)
--- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
@@ -33,6 +33,18 @@
                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 {