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Commit a22d6f65 authored by Vijayavardhan Vennapusa's avatar Vijayavardhan Vennapusa
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ARM: dts: msm: Enable otg-disable-reset flag for msm8939 



Currently as part of disconnect processing, USB driver does
link and PHY reset before putting USB HW in low power mode.
This HW reset is not required. Hence enable otg-disable-reset
flag to avoid PHY reset.

CRs-Fixed: 689112
Change-Id: I627bf8807c24f0d1b5441bf26940863e0349855b
Signed-off-by: default avatarVijayavardhan Vennapusa <vvreddy@codeaurora.org>
parent 357078fe

Documentation/devicetree/bindings/usb/msm-hsusb.txt

+3 −1
Original line number Diff line number Diff line
@@ -104,7 +104,9 @@ Optional properties : 
	mode with device controller for better throughput. With this mode, USB Core

	runs using PNOC clock and synchronous to it. Hence it is must to have proper

	"qcom,msm-bus,vectors" to have high bus frequency. User shouldn't try to

	enable this feature without proper bus voting.

	enable this feature without proper bus voting. When this feature is enabled,

	it is required to do HW reset during cable disconnect for host mode functionality

	working and hence need to disable qcom,hsusb-otg-disable-reset.

- qcom,disable-retention-with-vdd-min: If present don't allow phy retention but allow

	vdd min.

- qcom,usbin-vadc: Corresponding vadc device's phandle to read usbin voltage using VADC.

arch/arm/boot/dts/qcom/msm8939-common.dtsi

+1 −0
Original line number Diff line number Diff line
@@ -745,6 +745,7 @@ 
		qcom,hsusb-otg-phy-type = <2>;

		qcom,hsusb-otg-mode = <1>;

		qcom,hsusb-otg-otg-control = <2>;

		qcom,hsusb-otg-disable-reset;

		qcom,dp-manual-pullup;



		qcom,msm-bus,name = "usb2";