Re: [PATCH] arm: sun8i: nanopi-neo: Enable USB OTG
From: <hidden>
Date: 2017-08-28 02:37:56
在 2017-08-28 08:12，David Disseldorp 写道：
From: David Disseldorp <redacted> The NanoPi NEO features a MicroUSB port that can work in both host mode and peripheral mode. Switching is handled via GPIO PG12.
How's the Vbus of the OTG handled?
quoted hunk
Signed-off-by: David Disseldorp <redacted> --- arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dtsb/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts index 78f6c24952dd..5abf430ac5a6 100644--- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts@@ -47,9 +47,36 @@ compatible = "friendlyarm,nanopi-neo", "allwinner,sun8i-h3"; }; +&ehci0 { + status = "okay"; +}; + +&ehci3 { + status = "okay"; +};
Why do you also enable ehci/ohci3 here? I think they're already enabled in sun8i-h3-nanopi.dtsi .
+
&emac {
phy-handle = <&int_mii_phy>;
phy-mode = "mii";
allwinner,leds-active-low;
status = "okay";
};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci3 {
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ /* USB Type-A port's VBUS is always on */
+ usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+ status = "okay";
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