From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Puschmann Subject: [PATCH v3 1/2] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Date: Wed, 16 Jan 2019 12:11:32 +0100 Message-ID: <20190116111133.31326-1-philipp.puschmann@emlix.com> References: <20190116105103.28842-2-philipp.puschmann@emlix.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190116105103.28842-2-philipp.puschmann@emlix.com> Sender: linux-kernel-owner@vger.kernel.org To: gregkh@linuxfoundation.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, Peter.Chen@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Philipp Puschmann List-Id: devicetree@vger.kernel.org The i.MX6q/dl 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 --- Changes in v3: add description --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index adae82385dd6..8696e3eff6e7 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 high active (only for imx6q/dl) - external-vbus-divider: enables off-chip resistor divider for Vbus Example: -- 2.20.1