summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorAdrien Grassein <adrien.grassein@gmail.com>2021-05-11 22:35:58 +0300
committerShawn Guo <shawnguo@kernel.org>2021-06-12 11:17:02 +0300
commit77a1aa039336312d622f66ef7ee18ea1f6bd59bc (patch)
tree1096ed267b68974a4af52a665b97ae195c605f84 /arch
parenta4f27c75ac41a40042a50d536052fefb35728b8b (diff)
downloadlinux-77a1aa039336312d622f66ef7ee18ea1f6bd59bc.tar.xz
arm64: dts: imx8mq-nitrogen: add USB OTG support
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> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts35
1 files changed, 35 insertions, 0 deletions
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 @@
};
};
+ 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 @@
status = "okay";
};
+&usb_dwc3_0 {
+ dr_mode = "otg";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb3_0>;
+ status = "okay";
+};
+
+&usb3_phy0 {
+ vbus-supply = <&reg_usb_otg_vbus>;
+ status = "okay";
+};
+
&usdhc1 {
assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;
assigned-clock-rates = <400000000>;
@@ -339,6 +362,12 @@
>;
};
+ 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 @@
>;
};
+ 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