linux-kernel - [PATCH 4.18 104/145] ARM: dts: am57xx-idk: Enable dual role for USB2 port

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Date:   Fri,  7 Sep 2018 23:09:30 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Bin Liu <b-liu@...com>,
        Roger Quadros <rogerq@...com>, Tony Lindgren <tony@...mide.com>
Subject: [PATCH 4.18 104/145] ARM: dts: am57xx-idk: Enable dual role for USB2 port

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Roger Quadros <rogerq@...com>

commit 5f3cc16483d40bbc609a828511ff851296fc62b6 upstream.

Dual-role support was added in v4.12. We should be using
it for USB2 port on the am57xx-idk.

Cc: <stable@...r.kernel.org>        [4.16+]
Reported-by: Bin Liu <b-liu@...com>
Signed-off-by: Roger Quadros <rogerq@...com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/am571x-idk.dts         |    4 ----
 arch/arm/boot/dts/am572x-idk-common.dtsi |    4 ----
 arch/arm/boot/dts/am57xx-idk-common.dtsi |    7 ++++++-
 3 files changed, 6 insertions(+), 9 deletions(-)

--- a/arch/arm/boot/dts/am571x-idk.dts
+++ b/arch/arm/boot/dts/am571x-idk.dts
@@ -66,10 +66,6 @@
 	};
 };
 
-&omap_dwc3_2 {
-	extcon = <&extcon_usb2>;
-};
-
 &extcon_usb2 {
 	id-gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
 	vbus-gpio = <&gpio7 22 GPIO_ACTIVE_HIGH>;
--- a/arch/arm/boot/dts/am572x-idk-common.dtsi
+++ b/arch/arm/boot/dts/am572x-idk-common.dtsi
@@ -57,10 +57,6 @@
 	};
 };
 
-&omap_dwc3_2 {
-	extcon = <&extcon_usb2>;
-};
-
 &extcon_usb2 {
 	id-gpio = <&gpio3 16 GPIO_ACTIVE_HIGH>;
 	vbus-gpio = <&gpio3 26 GPIO_ACTIVE_HIGH>;
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -395,8 +395,13 @@
 	dr_mode = "host";
 };
 
+&omap_dwc3_2 {
+	extcon = <&extcon_usb2>;
+};
+
 &usb2 {
-	dr_mode = "peripheral";
+	extcon = <&extcon_usb2>;
+	dr_mode = "otg";
 };
 
 &mmc1 {