From 0011c7ad127ba38b28b8a98642d0f815a85887a0 Mon Sep 17 00:00:00 2001
From: Mathias Kresin <dev@kresin.me>
Date: Wed, 17 Feb 2021 23:37:54 +0100
Subject: lantiq: fritz7320: enable USB power supply

The USB ports if a FRIZZ!Box 7320 do not supply power to connected
devices.

Add the GPIOs enabling USB power as regulator, to enable USB power
supply as soon as the USB driver is loaded.

Fixes FS#3624

Signed-off-by: Mathias Kresin <dev@kresin.me>
(cherry picked from commit 6e4e97b2256327bb380ee2a83da9a1ddf657e395)
---
 .../mips/boot/dts/lantiq/ar9_avm_fritz7320.dts     | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'target/linux')

diff --git a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/ar9_avm_fritz7320.dts b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/ar9_avm_fritz7320.dts
index 9fbac6fa12..5f38936577 100644
--- a/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/ar9_avm_fritz7320.dts
+++ b/target/linux/lantiq/files/arch/mips/boot/dts/lantiq/ar9_avm_fritz7320.dts
@@ -69,6 +69,30 @@
 			gpios = <&gpio 45 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	usb0_vbus: regulator-usb0-vbus {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB0_VBUS";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		gpio = <&gpio 50 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	usb1_vbus: regulator-usb1-vbus {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB1_VBUS";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		gpio = <&gpio 51 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
 };
 
 &gsw {
@@ -77,6 +101,26 @@
 	mtd-mac-address-increment = <(-2)>;
 };
 
+&gpio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&state_default>;
+
+	state_default: pinmux {
+		usb0_vbus {
+			lantiq,pins = "io50";
+			lantiq,pull = <0>;
+			lantiq,open-drain = <0>;
+			lantiq,output = <1>;
+		};
+		usb1_vbus {
+			lantiq,pins = "io51";
+			lantiq,pull = <0>;
+			lantiq,open-drain = <0>;
+			lantiq,output = <1>;
+		};
+	};
+};
+
 &localbus {
 	flash@0 {
 		compatible = "lantiq,nor";
@@ -142,8 +186,10 @@
 
 &usb0 {
 	status = "okay";
+	vbus-supply = <&usb0_vbus>;
 };
 
 &usb1 {
 	status = "okay";
+	vbus-supply = <&usb1_vbus>;
 };
-- 
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