linux-kernel - [PATCH] ARM: DTS: OMAP5: enable OTG role for DWC3 controller

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Date:   Fri, 28 Sep 2018 17:54:00 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...a-handheld.com,
        letux-kernel@...nphoenux.org,
        "H. Nikolaus Schaller" <hns@...delico.com>
Subject: [PATCH] ARM: DTS: OMAP5: enable OTG role for DWC3 controller

Since SMPS10 and OTG cable detection extcon are described here, and
work to enable OTG power when an OTG cable is plugged in, we can
define OTG mode in the controller (which is disabled by default in
omap5.dtsi).

Tested on OMAP5EVM and Pyra.

Suggested-by: Roger Quadros <rogerq@...com>
Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 arch/arm/boot/dts/omap5-board-common.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi
index da5d9a86a1f1..ce524f239e84 100644
--- a/arch/arm/boot/dts/omap5-board-common.dtsi
+++ b/arch/arm/boot/dts/omap5-board-common.dtsi
@@ -708,6 +708,10 @@
 	vbus-supply = <&smps10_out1_reg>;
 };
 
+&dwc3 {
+	dr_mode = "otg";
+};
+
 &mcspi1 {
 
 };
-- 
2.12.2