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Mon, 4 Feb 2019 14:18:14 +0000 From: Ken Sloat To: "eugen.hristev@microchip.com" CC: Ken Sloat , "mchehab@kernel.org" , "nicolas.ferre@microchip.com" , "alexandre.belloni@bootlin.com" , "ludovic.desroches@microchip.com" , "sakari.ailus@iki.fi" , "hverkuil@xs4all.nl" , "linux-media@vger.kernel.org" , "devicetree@vger.kernel.org" Subject: [PATCH v3 2/2] media: atmel-isc: Update device tree binding documentation Thread-Topic: [PATCH v3 2/2] media: atmel-isc: Update device tree binding documentation Thread-Index: AQHUvJR3CYKO7qlX9EmmEJdCMaYwPA== Date: Mon, 4 Feb 2019 14:18:14 +0000 Message-ID: <20190204141756.234563-2-ksloat@aampglobal.com> References: <20190204141756.234563-1-ksloat@aampglobal.com> In-Reply-To: <20190204141756.234563-1-ksloat@aampglobal.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [96.59.174.230] x-clientproxiedby: BN8PR16CA0007.namprd16.prod.outlook.com (2603:10b6:408:4c::20) To BL0PR07MB4115.namprd07.prod.outlook.com (2603:10b6:207:4c::21) authentication-results: spf=none (sender IP is ) smtp.mailfrom=KSloat@aampglobal.com; 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SFV:NSPM; SKIP:0; X-MS-Exchange-CrossPremises-processed-by-journaling: Journal Agent X-OrganizationHeadersPreserved: BL0PR07MB4946.namprd07.prod.outlook.com Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ken Sloat Update device tree binding documentation specifying how to enable BT656 with CRC decoding and specify properties for default parallel bus type. Signed-off-by: Ken Sloat --- Changes in v2: -Use correct media "bus-type" dt property. Changes in v3: -Specify default bus type. -Document optional parallel bus flags. .../devicetree/bindings/media/atmel-isc.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/media/atmel-isc.txt b/Documentation/devicetree/bindings/media/atmel-isc.txt index bbe0e87c6188..db3749a3964f 100644 --- a/Documentation/devicetree/bindings/media/atmel-isc.txt +++ b/Documentation/devicetree/bindings/media/atmel-isc.txt @@ -21,6 +21,21 @@ Required properties for ISC: - pinctrl-names, pinctrl-0 Please refer to pinctrl-bindings.txt. +Optional properties for ISC: +- bus-type + When set to 6, Bt.656 decoding (embedded sync) with CRC decoding + is enabled. If omitted, then the default bus-type is parallel and + the additional properties to follow can be specified: +- hsync-active + Active state of the HSYNC signal, 0/1 for LOW/HIGH respectively. + If unspecified, this signal is set as active HIGH. +- vsync-active + Active state of the VSYNC signal, 0/1 for LOW/HIGH respectively. + If unspecified, this signal is set as active HIGH. +- pclk-sample + Sample data on rising (1) or falling (0) edge of the pixel clock + signal. If unspecified, data is sampled on the rising edge. + ISC supports a single port node with parallel bus. It should contain one 'port' child node with child 'endpoint' node. Please refer to the bindings defined in Documentation/devicetree/bindings/media/video-interfaces.txt.