From ca69b6c78d5d6cd9a4417d279eda1d2cd2fb3829 Mon Sep 17 00:00:00 2001
From: Alexander Stein <alexander.stein@ew.tq-group.com>
Date: Thu, 15 Sep 2022 08:28:55 +0200
Subject: [PATCH] arm64: dts: tqma8mpql: add support for 2nd USB (host)
 interface

The on-board USB hub has a single reset line which needs to be enabled.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 .../dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts    | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
index 7bf6f81..1c44090 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql-mba8mpxl.dts
@@ -461,11 +461,23 @@
 	status = "okay";
 };
 
+&usb3_1 {
+	fsl,disable-port-power-control;
+	fsl,permanently-attached;
+	dr_mode = "host";
+	status = "okay";
+};
+
 &usb3_phy0 {
 	vbus-supply = <&reg_vcc_5v0>;
 	status = "okay";
 };
 
+&usb3_phy1 {
+	vbus-supply = <&reg_vcc_5v0>;
+	status = "okay";
+};
+
 &usb_dwc3_0 {
 	/* dual role is implemented, but not a full featured OTG */
 	hnp-disable;
@@ -486,6 +498,31 @@
 	};
 };
 
+&usb_dwc3_1 {
+	dr_mode = "host";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbhub>;
+	status = "okay";
+
+	hub_2_0: hub@1 {
+		compatible = "usb451,8142";
+		reg = <1>;
+		peer-hub = <&hub_3_0>;
+		reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&reg_vcc_3v3>;
+	};
+
+	hub_3_0: hub@2 {
+		compatible = "usb451,8140";
+		reg = <2>;
+		peer-hub = <&hub_2_0>;
+		reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+		vdd-supply = <&reg_vcc_3v3>;
+	};
+};
+
 &usdhc2 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
@@ -720,6 +757,10 @@
 		fsl,pins = <MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10		0x1c0>;
 	};
 
+	pinctrl_usbhub: usbhubgrp {
+		fsl,pins = <MX8MP_IOMUXC_GPIO1_IO11__GPIO1_IO11		0x10>;
+	};
+
 	pinctrl_usdhc2: usdhc2grp {
 		fsl,pins = <MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK		0x192>,
 			   <MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD		0x1d2>,
-- 
2.7.4