[PATCH v3 1/4] arm64: dts: imx8mq-nitrogen: add USB OTG support
From: Adrien Grassein <adrien.grassein@gmail.com>
Date: 2021-03-31 23:25:08
Also in:
linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add the description for the USB OTG port. The OTG port uses a dedicated regulator for vbus. Signed-off-by: Adrien Grassein <adrien.grassein@gmail.com> --- .../boot/dts/freescale/imx8mq-nitrogen.dts | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts
index 81d269296610..b46f45a82be1 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 +201,18 @@ &uart2 { status = "okay"; }; +&usb_dwc3_0 { + dr_mode = "otg"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb3_0>; + status = "okay"; +}; + +&usb3_phy0 { + vbus-supply = <®_usb_otg_vbus>; + status = "okay"; +}; + &usdhc1 { assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>; assigned-clock-rates = <400000000>;
@@ -339,6 +362,12 @@ 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
@@ -353,6 +382,12 @@ MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX 0x45 >; }; + pinctrl_usb3_0: usb3-0grp { + fsl,pins = < + MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x16 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83
--
2.25.1
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