From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Kurz Subject: [PATCH] ARM: dts: imx6qdl-wandboard: enable USB OTG Date: Thu, 15 Jun 2017 08:41:10 +0200 Message-ID: <1497508870-4028-1-git-send-email-akurz@blala.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Fabio Estevam Cc: devicetree@vger.kernel.org, Alexander Kurz , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Enable USB OTG (dual-role) on the Wandboard. Note, that the USB_OTG_VBUS current is quite limited due to a 22R resistor in the power line. Hence, the overcurrent signal of 1A will never be triggered on this board. Signed-off-by: Alexander Kurz --- arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi index 82dc5744..cbf69ae 100644 --- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi @@ -34,6 +34,16 @@ regulator-max-microvolt = <3300000>; regulator-always-on; }; + + reg_usb_otg_vbus: usb_otg_vbus { + compatible = "regulator-fixed"; + regulator-name = "usb_otg_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotgvbus>; + gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; + }; }; sound { @@ -169,6 +179,12 @@ >; }; + pinctrl_usbotgvbus: usbotgvbusgrp { + fsl,pins = < + MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 @@ -243,10 +259,11 @@ }; &usbotg { + vbus-supply = <®_usb_otg_vbus>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usbotg>; disable-over-current; - dr_mode = "peripheral"; + dr_mode = "otg"; status = "okay"; }; -- 2.1.4