diff options
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi index 127764c4d6be..aa8dd12a84ea 100644 --- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi @@ -1333,8 +1333,18 @@ }; &ssusb2 { + /* + * the ssusb2 controller is one but we got two ports : one is routed + * to the M.2 slot, the other is on the RPi header who does support + * full OTG. + * As the controller is shared between them, the role switch default + * mode is set to host to make any peripheral inserted in the M.2 + * slot (i.e BT/WIFI module) be detected when the other port is + * unused. + */ dr_mode = "otg"; maximum-speed = "high-speed"; + role-switch-default-mode = "host"; usb-role-switch; vusb33-supply = <&mt6359_vusb_ldo_reg>; wakeup-source; @@ -1345,7 +1355,7 @@ connector { compatible = "gpio-usb-b-connector", "usb-b-connector"; type = "micro"; - id-gpios = <&pio 89 GPIO_ACTIVE_HIGH>; + id-gpios = <&pio 89 GPIO_ACTIVE_LOW>; vbus-supply = <&usb_p2_vbus>; }; }; |