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Wed, 27 Feb 2019 06:51:32 +0000 Received: from VI1PR04MB5327.eurprd04.prod.outlook.com ([fe80::790f:a219:bcbd:6fd2]) by VI1PR04MB5327.eurprd04.prod.outlook.com ([fe80::790f:a219:bcbd:6fd2%3]) with mapi id 15.20.1643.022; Wed, 27 Feb 2019 06:51:32 +0000 From: Peter Chen To: "gregkh@linuxfoundation.org" CC: "linux-usb@vger.kernel.org" , Philipp Puschmann , Peter Chen Subject: [PATCH 2/5] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Thread-Topic: [PATCH 2/5] dt-bindings: usb: ci-hdrc-usb2: add property power-active-high Thread-Index: AQHUzmjfFgx74ZNvXku7sXW9/JckOg== Date: Wed, 27 Feb 2019 06:51:31 +0000 Message-ID: <20190227064908.17731-3-peter.chen@nxp.com> References: <20190227064908.17731-1-peter.chen@nxp.com> In-Reply-To: <20190227064908.17731-1-peter.chen@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.14.1 x-clientproxiedby: HK0PR03CA0034.apcprd03.prod.outlook.com (2603:1096:203:2f::22) To VI1PR04MB5327.eurprd04.prod.outlook.com (2603:10a6:803:60::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peter.chen@nxp.com; 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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: xtFhwS3l5ai5WKwi4cIaGaLDaj13d5Tjmgs5GQshdWPjYPc01jJpLcawBKOm85YfIHyYpPGE7jQ44ofICf3NtSDMVM6iFNYlipQ9KQl9uZsR8MzleTp01LRYKHJypO55nkiANxzGnJAYMkMCeDEnxWs0SMoF3pld+nlFnq2ruDpbPN2OwhT4o6FKpKG8sghuIMtkuQj5QQaWq6i2WIYutrDoBCBsobDBI/nxnqXrZ2KSkXw/EbvZhoDf0fPO+Q8cZY+L/+MWmFv07g1otkwCmNK43YRFCWju9lTbA8AY5rmrIntI//OiGfenIn0Z8aqDr/RKTXuVRGiBliJ9T/GUFGByiTrzYZocTic+NqKyIP8FTIoicji6+oB6JtF0X2WzIelUe9IbRTqsEJbeZb/d73YWz3epszWI13rjTwjeNzU= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b91c3cf1-e0e2-4142-a263-08d69c80017f X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Feb 2019 06:51:29.7601 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6271 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Philipp Puschmann 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 Reviewed-by: Rob Herring 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/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: