diff options
| author | Alexander Kurz <akurz@blala.de> | 2018-05-29 06:20:20 +0000 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2018-06-17 15:30:40 +0800 |
| commit | e732f6d26eeab94a4988a556951bbc015b0c3d16 (patch) | |
| tree | d718b13fae11cd6caf3ed79cc7ff7ed3986627bc /arch/arm/boot/dts/imx6qdl-wandboard.dtsi | |
| parent | d8d5f9dc40e7cf74a78f8e4164854b4eb5e45d8c (diff) | |
ARM: dts: imx6qdl-wandboard: enable USB OTG
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 <akurz@blala.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-wandboard.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi index 52baf6d1a956..381bf61fcd28 100644 --- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi @@ -44,6 +44,16 @@ regulator-max-microvolt = <3300000>; regulator-always-on; }; + + reg_usb_otg_vbus: regulator-usbotgvbus { + 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_LOW>; + }; }; &audmux { @@ -166,6 +176,12 @@ >; }; + pinctrl_usbotgvbus: usbotgvbusgrp { + fsl,pins = < + MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 @@ -240,10 +256,11 @@ }; &usbotg { + vbus-supply = <®_usb_otg_vbus>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usbotg>; disable-over-current; - dr_mode = "peripheral"; + dr_mode = "otg"; status = "okay"; }; |