diff options
| author | Ivan T. Ivanov <ivan.ivanov@linaro.org> | 2015-04-09 11:34:33 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-04-28 11:49:15 -0500 |
| commit | 44e42ae3a398b559c768b9b3c324d72b0b0b4479 (patch) | |
| tree | 807a641fd57e3624e0b01fdb86b8968e8193df33 /Documentation | |
| parent | 591fc116f3302da915bb57d4474a61a5e8884cec (diff) | |
usb: phy: msm: Manual PHY and LINK controller VBUS change notification
VBUS is not routed to USB PHY on recent Qualcomm platforms. USB controller
must see VBUS in order to pull-up DP when setting RS bit. Henc configure
USB PHY and LINK registers sense VBUS and enable manual pullup on D+ line.
Cc: Vamsi Krishna <vskrishn@codeaurora.org>
Cc: Mayank Rana <mrana@codeaurora.org>
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/msm-hsusb.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt index f26bcfac3d8f..bd8d9e753029 100644 --- a/Documentation/devicetree/bindings/usb/msm-hsusb.txt +++ b/Documentation/devicetree/bindings/usb/msm-hsusb.txt @@ -69,6 +69,10 @@ Optional properties: (no, min, max) where each value represents either a voltage in microvolts or a value corresponding to voltage corner. +- qcom,manual-pullup: If present, vbus is not routed to USB controller/phy + and controller driver therefore enables pull-up explicitly + before starting controller using usbcmd run/stop bit. + - extcon: phandles to external connector devices. First phandle should point to external connector, which provide "USB" cable events, the second should point to external connector |