2021-11-04 12:35:58

by Adam Ford

Subject: [PATCH] arm64: dts: imx8mm-beacon: Enable USB Controllers

The i.MX8M Mini has two available USB controllers. On the
imx8mm-beacon board, USB1 is routed to a mini-USB port with
OTG functionality. USB2 is routed to a USB hub which has
three host-only ports connected to it.

Signed-off-by: Adam Ford <[email protected]>

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
index 6f5e63696ec0..4097a66163b2 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi
@@ -43,6 +43,17 @@ reg_audio: regulator-audio {
enable-active-high;
};

+ reg_usbotg1: regulator-usbotg1 {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_usb_otg1>;
+ regulator-name = "usb_otg_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
@@ -169,6 +180,24 @@ &uart3 {
status = "okay";
};

+&usbotg1 {
+ vbus-supply = <&reg_usbotg1>;
+ disable-over-current;
+ dr_mode="otg";
+ status = "okay";
+};
+
+&usbotg2 {
+ pinctrl-names = "default";
+ disable-over-current;
+ dr_mode="host";
+ status = "okay";
+};
+
+&usbphynop2 {
+ reset-gpios = <&pca6416_1 7 GPIO_ACTIVE_HIGH>;
+};
+
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
@@ -215,6 +244,12 @@ MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x19
>;
};

+ pinctrl_reg_usb_otg1: usbotg1grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19
+ >;
+ };
+
pinctrl_sai3: sai3grp {
fsl,pins = <
MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0xd6
--
2.32.0

2021-11-22 00:57:29

by Shawn Guo

Subject: Re: [PATCH] arm64: dts: imx8mm-beacon: Enable USB Controllers

On Thu, Nov 04, 2021 at 07:34:11AM -0500, Adam Ford wrote:
> The i.MX8M Mini has two available USB controllers. On the
> imx8mm-beacon board, USB1 is routed to a mini-USB port with
> OTG functionality. USB2 is routed to a USB hub which has
> three host-only ports connected to it.
>
> Signed-off-by: Adam Ford <[email protected]>

Applied, thanks!