diff mbox series

[2/5] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high

Message ID 20190227064908.17731-3-peter.chen@nxp.com (mailing list archive)
State Mainlined
Commit 30097374e6ff6997f6c7104b62d7e2c6d15578f0
Headers show
Series usb: chipidea: updates for v5.1-rc1 | expand

Commit Message

Peter Chen Feb. 27, 2019, 6:51 a.m. UTC 
From: Philipp Puschmann <philipp.puschmann@emlix.com>

The i.MX USB controller may drive the usb power line directly, but the
polarity depends on the board. Reset state of the polarity is low-active so
add this property to allow it to be high-active.

Signed-off-by: Philipp Puschmann <philipp.puschmann@emlix.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
---
 Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
index adae82385dd6..a254386a91ad 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
@@ -93,6 +93,7 @@  i.mx specific properties
 - over-current-active-low: over current signal polarity is active low.
 - over-current-active-high: over current signal polarity is active high.
   It's recommended to specify the over current polarity.
+- power-active-high: power signal polarity is active high
 - external-vbus-divider: enables off-chip resistor divider for Vbus
 
 Example: