> -----Original Message-----
> From: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> Sent: Monday, September 5, 2022 3:38 PM
> To: Shawn Guo <shawnguo@xxxxxxxxxx>; Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Cc: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>; Pengutronix Kernel
> Team <kernel@xxxxxxxxxxxxxx>; Fabio Estevam <festevam@xxxxxxxxx>;
> dl-linux-imx <linux-imx@xxxxxxx>; devicetree@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; tharvey@xxxxxxxxxxxxx; Jun Li
> <jun.li@xxxxxxx>
> Subject: [PATCH v3 1/1] arm64: dts: tqma8mpql: add USB DR support
>
> Add support for USB DR on USB1 interface. Host/Device detection is done using
> the usb-role-switch connector.
>
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Reviewed-by: Li Jun <jun.li@xxxxxxx>
> ---
> Changes in v3:
> * Moved pinctrl to USB glue layer node
> * Ordered nodes alphabetically
>
> Changes in v2:
> * Split from previous series
> * For now enable USB OTG only
>
> .../freescale/imx8mp-tqma8mpql-mba8mpxl.dts | 48 +++++++++++++++++++
> 1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
> b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
> index d8ca52976170..88579e8ac93b 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
> @@ -139,6 +139,13 @@ reg_vcc_3v3: regulator-3v3 {
> regulator-max-microvolt = <3300000>;
> };
>
> + reg_vcc_5v0: regulator-5v0 {
> + compatible = "regulator-fixed";
> + regulator-name = "VCC_5V0";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> reserved-memory {
> #address-cells = <2>;
> #size-cells = <2>;
> @@ -445,6 +452,38 @@ &uart4 {
> status = "okay";
> };
>
> +&usb3_0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb0>;
> + fsl,over-current-active-low;
> + status = "okay";
> +};
> +
> +&usb3_phy0 {
> + vbus-supply = <®_vcc_5v0>;
> + status = "okay";
> +};
> +
> +&usb_dwc3_0 {
> + /* dual role is implemented, but not a full featured OTG */
> + hnp-disable;
> + srp-disable;
> + adp-disable;
> + dr_mode = "otg";
> + usb-role-switch;
> + role-switch-default-mode = "peripheral";
> + status = "okay";
> +
> + connector {
> + compatible = "gpio-usb-b-connector", "usb-b-connector";
> + type = "micro";
> + label = "X29";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbcon0>;
> + id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
> + };
> +};
> +
> &usdhc2 {
> pinctrl-names = "default", "state_100mhz", "state_200mhz";
> pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>; @@ -666,6
> +705,15 @@ pinctrl_uart4: uart4grp {
> <MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x140>;
> };
>
> + pinctrl_usb0: usb0grp {
> + fsl,pins = <MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC 0x1c0>,
> + <MX8MP_IOMUXC_GPIO1_IO12__USB1_OTG_PWR 0x1c0>;
> + };
> +
> + pinctrl_usbcon0: usb0congrp {
> + fsl,pins = <MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x1c0>;
> + };
> +
> pinctrl_usdhc2: usdhc2grp {
> fsl,pins = <MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x192>,
> <MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d2>,
> --
> 2.25.1
