[PATCH v3 1/1] arm64: dts: tqma8mpql: add USB DR support

[Jun Li]

> -----Original Message-----
> From: Alexander Stein <alexander.stein at ew.tq-group.com>
> Sent: Monday, September 5, 2022 3:38 PM
> To: Shawn Guo <shawnguo at kernel.org>; Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Alexander Stein <alexander.stein at ew.tq-group.com>; Pengutronix Kernel
> Team <kernel at pengutronix.de>; Fabio Estevam <festevam at gmail.com>;
> dl-linux-imx <linux-imx at nxp.com>; devicetree at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org; tharvey at gateworks.com; Jun Li
> <jun.li at nxp.com>
> 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 at ew.tq-group.com>

Reviewed-by: Li Jun <jun.li at nxp.com>

> ---
> 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 = <&reg_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