From: ingrassia@epigenesys.com (Emiliano Ingrassia)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH] ARM: dts: meson: enabling the USB Host controller on Odroid-C1/C1+ board
Date: Wed, 20 Sep 2017 16:40:09 +0200 [thread overview]
Message-ID: <20170920144009.GA27374@ingrassia.epigenesys.com> (raw)
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>
---
arch/arm/boot/dts/meson8b-odroidc1.dts | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index e50f1a1fdbc7..9ff6ca4e20d0 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";
+};
--
2.14.1
next reply other threads:[~2017-09-20 14:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 14:40 Emiliano Ingrassia [this message]
2017-09-22 7:01 ` Martin Blumenstingl
2017-09-28 16:44 ` Linus Lüssing
2017-10-06 22:26 ` [PATCH] " Kevin Hilman
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