From patchwork Tue Nov 29 23:57:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Hilman X-Patchwork-Id: 38374 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cBsHE-0005c3-CD; Tue, 29 Nov 2016 23:57:32 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.84_2/mailfrontend-6) with esmtp id 1cBsHB-0002iy-6R; Wed, 30 Nov 2016 00:57:32 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754987AbcK2X51 (ORCPT + 1 other); Tue, 29 Nov 2016 18:57:27 -0500 Received: from mail-pg0-f49.google.com ([74.125.83.49]:34806 "EHLO mail-pg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754949AbcK2X5T (ORCPT ); Tue, 29 Nov 2016 18:57:19 -0500 Received: by mail-pg0-f49.google.com with SMTP id x23so74807134pgx.1 for ; Tue, 29 Nov 2016 15:57:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lm1QvUyecff6uHPmVKK2Y4MsJPjEUHF8HCOMXelvKK8=; b=AjlSSPmFiL3vbQ6ZXIuK/p1rr9iEkgy1X4Y3drm8yvyk/j+xlGhmHV1qfNZCM5daVm 8KFguz+z229XLsQYSVVjucFauGarfKuxcwhb2uUrRe7QwolAZn0+7LpTN0vQ0nJ89FZD sMEWELST83tRx/cEfOEgyTIosPKbO7qEpxaU9Z+QjY0/W/komhYa8YnEVWqJI+eqGYHd gBg1CSQv8BxVCnyYUKNSh/3lMEqPASPbi4bMWf+zt7kBzXXT6yie1+z5al0evZFX3wCV eRIm33AACPnmtjWodq7i8hVDSakdb6eQkRRZBkHIHq/GmKTQ36RAyvrluFC6/PB17aoR A7hQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lm1QvUyecff6uHPmVKK2Y4MsJPjEUHF8HCOMXelvKK8=; b=GtkvqmQN1upvqJ8c5SoO03r/BGFTgZCclW4cflIH7LXqARbgV9JQiKpecZ8g69bZMm Ml9gE/LcOafNZCjlAwPmOwW+mhBDwXNN6570hpTHw6IZuMJWX9hvjMHbcZ1xZmWdI56C OMtKY2ojop1Juoab4bwCoZHt85H8qZo6JnbE/GPkkjl/sbQTkIW/fZXcqD2FZWCSzl1i GvVhM/ISBQvYSBKe9XCg1s3j7nlYRbEtW2943h3TLCSj70zlwPsWsiOnnAxqsAF+qmKs LNE9NASjRlGThzNx1qXbIKzdQUrUK/F7XF0m0Z75GzBhtVrBwwjKpnnKAw3SESk2UonA UPGg== X-Gm-Message-State: AKaTC00xt2LK7JRMvi3AvqFuBtpXOGdygq+4oaEybiq1Zhsp7h4zD32toKGIWM6YSLyeqzy1 X-Received: by 10.99.101.65 with SMTP id z62mr55178345pgb.74.1480463838484; Tue, 29 Nov 2016 15:57:18 -0800 (PST) Received: from localhost (c-98-203-232-209.hsd1.wa.comcast.net. [98.203.232.209]) by smtp.gmail.com with ESMTPSA id c128sm97592083pfc.39.2016.11.29.15.57.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Nov 2016 15:57:18 -0800 (PST) From: Kevin Hilman To: linux-media@vger.kernel.org Cc: Hans Verkuil , Laurent Pinchart , Sakari Ailus , linux-arm-kernel@lists.infradead.org, Sekhar Nori , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v4 4/4] [media] dt-bindings: add TI VPIF documentation Date: Tue, 29 Nov 2016 15:57:12 -0800 Message-Id: <20161129235712.29846-5-khilman@baylibre.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20161129235712.29846-1-khilman@baylibre.com> References: <20161129235712.29846-1-khilman@baylibre.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2016.11.29.235118 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, CHILD_EX_X3 0, DATE_TZ_NA 0, DKIM_SIGNATURE 0, IN_REP_TO 0, LEGITIMATE_NEGATE 0, LEGITIMATE_SIGNS 0, MSG_THREAD 0, MULTIPLE_REAL_RCPTS 0, NO_URI_HTTPS 0, REFERENCES 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CC_NAME 0, __CC_NAME_DIFF_FROM_ACC 0, __CC_REAL_NAMES 0, __CP_MEDIA_BODY 0, __CP_NAME_BODY 0, __CP_URI_IN_BODY 0, __CTE 0, __FRAUD_COMMON 0, __FRAUD_REFNUM 0, __HAS_CC_HDR 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MAL_TELEKOM_URI 0, __MIME_TEXT_ONLY 0, __MIME_TEXT_P 0, __MIME_TEXT_P1 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __MULTIPLE_URI_TEXT 0, __NO_HTML_TAG_RAW 0, __REFERENCES 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_IN_BODY 0, __URI_NS , __URI_WITH_PATH 0, __YOUTUBE_RCVD 0' Signed-off-by: Kevin Hilman Acked-by: Rob Herring --- .../devicetree/bindings/media/ti,da850-vpif.txt | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/ti,da850-vpif.txt diff --git a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt new file mode 100644 index 000000000000..fa06dfdb6898 --- /dev/null +++ b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt @@ -0,0 +1,67 @@ +Texas Instruments VPIF +---------------------- + +The TI Video Port InterFace (VPIF) is the primary component for video +capture and display on the DA850/AM18x family of TI DaVinci/Sitara +SoCs. + +TI Document reference: SPRUH82C, Chapter 35 +http://www.ti.com/lit/pdf/spruh82 + +Required properties: +- compatible: must be "ti,da850-vpif" +- reg: physical base address and length of the registers set for the device; +- interrupts: should contain IRQ line for the VPIF + +Video Capture: + +VPIF has a 16-bit parallel bus input, supporting 2 8-bit channels or a +single 16-bit channel. It should contain at least one port child node +with child 'endpoint' node. Please refer to the bindings defined in +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example using 2 8-bit input channels, one of which is connected to an +I2C-connected TVP5147 decoder: + + vpif: vpif@217000 { + compatible = "ti,da850-vpif"; + reg = <0x217000 0x1000>; + interrupts = <92>; + + port { + vpif_ch0: endpoint@0 { + reg = <0>; + bus-width = <8>; + remote-endpoint = <&composite>; + }; + + vpif_ch1: endpoint@1 { + reg = <1>; + bus-width = <8>; + data-shift = <8>; + }; + }; + }; + +[ ... ] + +&i2c0 { + + tvp5147@5d { + compatible = "ti,tvp5147"; + reg = <0x5d>; + status = "okay"; + + port { + composite: endpoint { + hsync-active = <1>; + vsync-active = <1>; + pclk-sample = <0>; + + /* VPIF channel 0 (lower 8-bits) */ + remote-endpoint = <&vpif_ch0>; + bus-width = <8>; + }; + }; + }; +};