From: Emiliano Ingrassia <ingrassia@epigenesys.com>
Date: Wed, 20 Sep 2017 14:40:09 +0000 (+0200)
Subject: ARM: dts: meson: enabling the USB Host controller on Odroid-C1/C1+ board
X-Git-Tag: v4.19~2159^2~25^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2eb79a4d15ff419b777d953143ad12b6d54d69d7;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: meson: enabling the USB Host controller on Odroid-C1/C1+ board

This patch enables the USB Host controller (USB1) and the relative USB2 PHY
on Odroid-C1/C1+ board.

Signed-off-by: Emiliano Ingrassia <ingrassia@epigenesys.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---

diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index e50f1a1..9ff6ca4 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -76,3 +76,26 @@
 	pinctrl-0 = <&uart_ao_a_pins>;
 	pinctrl-names = "default";
 };
+
+&gpio_ao {
+	/*
+	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
+	 * to be turned high in order to be detected by the USB Controller.
+	 * This signal should be handled by a USB specific power sequence
+	 * in order to reset the Hub when USB bus is powered down.
+	 */
+	usb-hub {
+		gpio-hog;
+		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "usb-hub-reset";
+	};
+};
+
+&usb1_phy {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};