commit 5d2cd9f1175692e91134a44ca0be19766aa1e952
author Igor Opaniuk <igor.opaniuk@toradex.com> Fri May 10 12:35:29 2019 +0300
committer Stefano Babic <sbabic@denx.de> Tue Jun 11 10:42:48 2019 +0200
tree 8184fb0b34a5d4282d765ca163be7c640c1cf109
parent b1f8242ede1b98977c65f00c952c9b52cf3876b2

colibri_imx7: migrate usb to driver model

Migrate USB to Driver Model (CONFIG_DM_USB=y).

Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>

arch/arm/dts/imx7-colibri-emmc.dts

diff --git a/arch/arm/dts/imx7-colibri-emmc.dts b/arch/arm/dts/imx7-colibri-emmc.dts
index efd6000..deb5482 100644
--- a/arch/arm/dts/imx7-colibri-emmc.dts
+++ b/arch/arm/dts/imx7-colibri-emmc.dts
@@ -13,11 +13,30 @@
 	aliases {
 		mmc0 = &usdhc3;
 		mmc1 = &usdhc1;
+		usb0 = &usbotg1; /* required for ums */
 	};
 
 	chosen {
 		stdout-path = &uart1;
 	};
+
+	reg_5v0: regulator-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_usbh_vbus: regulator-usbh-vbus {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usbh_reg>;
+		regulator-name = "VCC_USB[1-4]";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
+		vin-supply = <&reg_5v0>;
+	};
 };
 
 &usdhc3 {
@@ -44,4 +63,30 @@
 			MX7D_PAD_SD3_STROBE__SD3_STROBE         0x19
 		>;
 	};
+
+	pinctrl_usbh_reg: gpio-usbh-vbus {
+		fsl,pins = <
+			MX7D_PAD_UART3_CTS_B__GPIO4_IO7	0x14
+		>;
+	};
+};
+
+/* Colibri USBC */
+&usbotg1 {
+	/*
+	 * usbotg1 on Colibri iMX7 can function in both host/otg modes.
+	 * Gadget stack currently does not look at this at all while
+	 * the host stack refuses to bind/load if it is not set to host
+	 * (it obviously won't be enumerated during usb start invocation
+	 * if dr_mode = "otg")
+	 */
+	dr_mode = "host";
+	status = "okay";
+};
+
+/* Colibri USBH */
+&usbotg2 {
+	dr_mode = "host";
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
 };