linux/arch/arm/boot/dts/rk3288-evb.dtsi
Doug Anderson 83a742b431 ARM: dts: Turn on USB host vbus on rk3288-evb
There is no phy driver that works on the Rockchip board for either USB
host port yet.  For now just hardcode the vbus signal to be on all the
time which makes both the dwc2 host and the EHCI port work.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2014-07-31 05:35:10 +02:00

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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "rk3288.dtsi"
/ {
memory {
reg = <0x0 0x80000000>;
};
gpio-keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
autorepeat;
pinctrl-names = "default";
pinctrl-0 = <&pwrbtn>;
button@0 {
gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
linux,code = <116>;
label = "GPIO Key Power";
linux,input-type = <1>;
gpio-key,wakeup = <1>;
debounce-interval = <100>;
};
};
/* This turns on USB vbus for both host0 (ehci) and host1 (dwc2) */
vcc_host: vcc-host-regulator {
compatible = "regulator-fixed";
enable-active-high;
gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&host_vbus_drv>;
regulator-name = "vcc_host";
regulator-always-on;
regulator-boot-on;
};
};
&i2c0 {
status = "okay";
};
&wdt {
status = "okay";
};
&uart0 {
status = "okay";
};
&uart1 {
status = "okay";
};
&uart2 {
status = "okay";
};
&uart3 {
status = "okay";
};
&uart4 {
status = "okay";
};
&pinctrl {
buttons {
pwrbtn: pwrbtn {
rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
usb {
host_vbus_drv: host-vbus-drv {
rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};