[RK3399][Android7.1] 调试笔记 --- Type-C USB改成Micro USB2.0 OTG

xiaoxiao2025-05-21  31

Platform: RK3399 OS: Android 7.1 Kernel: v4.4.83

项目用TYPE-C只是用作debug没什么必要,修改成Micro USB2.0 OTG还可以省去fusb芯片的费用。

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-eco.dts b/arch/arm64/boot/dts/rockchip/rk3399-eco.dts index 1e5e921..cacfc7b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-eco.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-eco.dts @@ -763,7 +763,7 @@ &tcphy0 { extcon = <&fusb0>; - status = "okay"; + status = "disabled"; }; &tcphy1 { @@ -778,8 +778,6 @@ &u2phy0 { status = "okay"; - extcon = <&fusb0>; - u2phy0_otg: otg-port { status = "okay"; }; @@ -836,11 +834,15 @@ }; &usbdrd3_0 { - extcon = <&fusb0>; + extcon = <&u2phy0>; status = "okay"; }; &usbdrd_dwc3_0 { + dr_mode = "otg"; + maximum-speed = "high-speed"; + phys = <&u2phy0_otg>; + phy-names = "usb2-phy"; status = "okay"; };
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