linux-kernel - [PATCH v3] arm64: tegra: jetson-tx1: Fix USB_VBUS

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Date:   Thu, 19 Nov 2020 15:23:45 +0800
From:   JC Kuo <jckuo@...dia.com>
To:     <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <robh+dt@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <stable@...r.kernel.org>,
        JC Kuo <jckuo@...dia.com>
Subject: [PATCH v3] arm64: tegra: jetson-tx1: Fix USB_VBUS_EN0 regulator

USB Host mode is broken at OTG port of Jetson-TX1 platform because
USB_VBUS_EN0 regulator (regulator@11) is being overwritten by vdd-cam-1v2
regulator. This commit rearrange 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>
---
v3:
    add 'Cc: stable@...r.kernel.org' tag
v2:
    add 'Fixes:' tag
    add Reviewed-by: Jon Hunter <jonathanh@...dia.com>

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

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
index e18e1a9a3011..a9caaf7c0d67 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
@@ -1663,16 +1663,6 @@ vdd_usb_vbus: regulator@9 {
 		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 @@ vdd_cam_1v8: regulator@13 {
 		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>;
+	};
 };
-- 
2.25.1