Messages in this thread Patch in this message | | | From | Konrad Dybcio <> | Subject | [PATCH 3/7] arm64: dts: qcom: msm8996: Strictly limit USB2 host to USB2 speeds | Date | Tue, 25 May 2021 22:02:41 +0200 |
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As the name implies, the USB2 controller should only operate at USB2 speeds. Make sure it does just that by pinning it to USB High-Speed (USB2) mode.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> --- arch/arm64/boot/dts/qcom/msm8996.dtsi | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 12afd49e0097..08a6e2b5a54b 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -2588,6 +2588,7 @@ usb2: usb@76f8800 { assigned-clock-rates = <19200000>, <60000000>; power-domains = <&gcc USB30_GDSC>; + qcom,select-utmi-as-pipe-clk; status = "disabled"; dwc3@7600000 { @@ -2596,6 +2597,7 @@ dwc3@7600000 { interrupts = <0 138 IRQ_TYPE_LEVEL_HIGH>; phys = <&hsusb_phy2>; phy-names = "usb2-phy"; + maximum-speed = "high-speed"; snps,dis_u2_susphy_quirk; snps,dis_enblslpm_quirk; }; -- 2.31.1
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