On the RK3399-Q7, we need to turn on the on-module USB hub before using the
USB host interfaces (only the OTG interface is directly connected to the edge
connector). This drops the deprecated 'rockchip,vbus-gpio' property and uses
a fixed regulator to turn on the USB hub.
References:
19d078e "usb: host: xhci-rockchip: use fixed regulator to control vbus"
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
};
};
+ usbhub_enable: usbhub_enable {
+ compatible = "regulator-fixed";
+ regulator-name = "usbhub_enable";
+ enable-active-low;
+ gpio = <&gpio4 3 GPIO_ACTIVE_HIGH>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
vccadc_ref: vccadc-ref {
compatible = "regulator-fixed";
regulator-name = "vcc1v8_sys";
};
&dwc3_typec1 {
- rockchip,vbus-gpio = <&gpio4 3 GPIO_ACTIVE_LOW>;
status = "okay";
};