From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-he1eur01on0074.outbound.protection.outlook.com ([104.47.0.74]:11577 "EHLO EUR01-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726784AbeJVOAm (ORCPT ); Mon, 22 Oct 2018 10:00:42 -0400 From: Peter Chen Subject: [PATCH v2 4/4] doc: usb: ci-hdrc-usb2: Add pinctrl properties for HSIC pin groups Date: Mon, 22 Oct 2018 05:43:07 +0000 Message-ID: <20181022054031.14027-5-peter.chen@nxp.com> References: <20181022054031.14027-1-peter.chen@nxp.com> In-Reply-To: <20181022054031.14027-1-peter.chen@nxp.com> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org To: "linux-usb@vger.kernel.org" Cc: dl-linux-imx , "robh+dt@kernel.org" , "devicetree@vger.kernel.org" , "frieder.schrempf@exceet.de" , "festevam@gmail.com" , Peter Chen List-ID: For USB HSIC, the data and strobe pin needs to be pulled down at default, we consider it as "idle" state. When the USB host is ready to be used, the strobe pin needs to be pulled up, we consider it as "active" state. Signed-off-by: Peter Chen --- 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/Docum= entation/devicetree/bindings/usb/ci-hdrc-usb2.txt index 529e51879fb2..10c8d793ea49 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -81,6 +81,7 @@ Optional properties: mux state of 1 indicates host mode. - mux-control-names: Shall be "usb_switch" if mux-controls is specified. - pinctrl-names: Names for optional pin modes in "default", "host", "devic= e" + Or names for HSIC "idle" and "active" pin modes. - pinctrl-n: alternate pin modes =20 i.mx specific properties --=20 2.14.1