linux-kernel - [PATCH] ARM64: dts: meson-gxbb-odroidc2: enable USB Host Nodes

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Date:   Wed,  8 Mar 2017 02:06:01 +0530
From:   Anand Moon <linux.amoon@...il.com>
To:     Rob Herring <robh+dt@...nel.org>, Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Brian Kim <brian.kim@...dkernel.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Anand Moon <linux.amoon@...il.com>
Subject: [PATCH] ARM64: dts: meson-gxbb-odroidc2: enable USB Host Nodes

From: Anand Moon <linux.amoon@...il.com>

update the regulator supply nodes for usb host to
enable usb host on odroid-c2

Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
root@...oid64:/usr/src/odroidxu3-4.y-devel# lsusb -t
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
        |__ Port 1: Dev 3, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
        |__ Port 2: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 480M
        |__ Port 4: Dev 5, If 0, Class=Mass Storage, Driver=usb-storage, 480M
---
 arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index c59403a..304b676 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -64,6 +64,18 @@
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};
 
+	usb_host_pwr: regulator-usb-pwrs {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB_HOST_PWR";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		gpio = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	usb_otg_pwr: regulator-usb-pwrs {
 		compatible = "regulator-fixed";
 
@@ -184,6 +196,7 @@
 
 &usb1_phy {
 	status = "okay";
+	phy-supply = <&usb_host_pwr>;
 };
 
 &usb0 {
-- 
2.7.4