From: Konrad Dybcio <konrad.dybcio@somainline.org>
Date: Tue, 25 May 2021 20:02:41 +0000 (+0200)
Subject: arm64: dts: qcom: msm8996: Strictly limit USB2 host to USB2 speeds
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fbe7be5b23ae6640d14a94d5fb71dddfce324976;p=linux.git

arm64: dts: qcom: msm8996: Strictly limit USB2 host to USB2 speeds

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>
Link: https://lore.kernel.org/r/20210525200246.118323-3-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 076150c420a72..5a993c6b519eb 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -2593,6 +2593,7 @@
 			assigned-clock-rates = <19200000>, <60000000>;
 
 			power-domains = <&gcc USB30_GDSC>;
+			qcom,select-utmi-as-pipe-clk;
 			status = "disabled";
 
 			dwc3@7600000 {
@@ -2601,6 +2602,7 @@
 				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;
 			};