add USB support for imx8mq-nitrogen. It consists in 2 phys: OTG and host. The OTG port uses a dedicated regulator for vbus.
Signed-off-by: Adrien Grassein <[email protected]> --- .../boot/dts/freescale/imx8mq-nitrogen.dts | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts index 81d269296610..fb8acd83a280 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts @@ -34,6 +34,17 @@ power { }; }; + reg_usb_otg_vbus: regulator-usb-otg-vbus { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_usbotg_vbus>; + regulator-name = "usb_otg_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_vref_0v9: regulator-vref-0v9 { compatible = "regulator-fixed"; regulator-name = "vref-0v9"; @@ -190,6 +201,25 @@ &uart2 { status = "okay"; }; +&usb_dwc3_0 { + dr_mode = "otg"; + status = "okay"; +}; + +&usb3_phy0 { + vbus-supply = <®_usb_otg_vbus>; + status = "okay"; +}; + +&usb_dwc3_1 { + dr_mode = "host"; + status = "okay"; +}; + +&usb3_phy1 { + status = "okay"; +}; + &usdhc1 { assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>; assigned-clock-rates = <400000000>; @@ -339,6 +369,12 @@ MX8MQ_IOMUXC_SD2_WP_GPIO2_IO20 0x16 >; }; + pinctrl_reg_usbotg_vbus: reg-usbotg-vbusgrp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x16 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x45 -- 2.25.1
