linux-kernel - [PATCH 4/6] arm64: dts: qcom: qcs404-evb: Describe external VBUS regulator

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Message-Id: <20200311191517.8221-5-bryan.odonoghue@linaro.org>
Date:   Wed, 11 Mar 2020 19:15:15 +0000
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org,
        linux-usb@...r.kernel.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        jackp@...eaurora.org, robh@...nel.org,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH 4/6] 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@...nel.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: linux-arm-msm@...r.kernel.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Tested-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
---
 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 cb893ca76901..4b529a6077d2 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 {
-- 
2.25.1