linux-kernel - [PATCH 5.9 032/152] arm64: tegra: Fix USB_VBUS

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Message-Id: <20201201084716.117533922@linuxfoundation.org>
Date:   Tue,  1 Dec 2020 09:52:27 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, JC Kuo <jckuo@...dia.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Thierry Reding <treding@...dia.com>
Subject: [PATCH 5.9 032/152] arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1

From: JC Kuo <jckuo@...dia.com>

commit f24a2acc15bcc7bbd295f9759efc873b88fbe429 upstream.

USB host mode is broken on the OTG port of Jetson TX1 platform because
the USB_VBUS_EN0 regulator (regulator@11) is being overwritten by the
vdd-cam-1v2 regulator. This commit rearranges USB_VBUS_EN0 to be
regulator@14.

Fixes: 257c8047be44 ("arm64: tegra: jetson-tx1: Add camera supplies")
Cc: stable@...r.kernel.org
Signed-off-by: JC Kuo <jckuo@...dia.com>
Reviewed-by: Jon Hunter <jonathanh@...dia.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi |   20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1663,16 +1663,6 @@
 		vin-supply = <&vdd_5v0_sys>;
 	};
 
-	vdd_usb_vbus_otg: regulator@11 {
-		compatible = "regulator-fixed";
-		regulator-name = "USB_VBUS_EN0";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		gpio = <&gpio TEGRA_GPIO(CC, 4) GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-		vin-supply = <&vdd_5v0_sys>;
-	};
-
 	vdd_hdmi: regulator@10 {
 		compatible = "regulator-fixed";
 		regulator-name = "VDD_HDMI_5V0";
@@ -1712,4 +1702,14 @@
 		enable-active-high;
 		vin-supply = <&vdd_3v3_sys>;
 	};
+
+	vdd_usb_vbus_otg: regulator@14 {
+		compatible = "regulator-fixed";
+		regulator-name = "USB_VBUS_EN0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio TEGRA_GPIO(CC, 4) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&vdd_5v0_sys>;
+	};
 };