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: 9453259 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6C9946071C for ; Wed, 30 Nov 2016 00:00:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5F2312848B for ; Wed, 30 Nov 2016 00:00:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 53C1028495; Wed, 30 Nov 2016 00:00:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 088982848B for ; Wed, 30 Nov 2016 00:00:17 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cBsIX-000358-TS; Tue, 29 Nov 2016 23:58:53 +0000 Received: from mail-pf0-x22b.google.com ([2607:f8b0:400e:c00::22b]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cBsHM-0002JS-4b for linux-arm-kernel@lists.infradead.org; Tue, 29 Nov 2016 23:57:42 +0000 Received: by mail-pf0-x22b.google.com with SMTP id i88so34649715pfk.2 for ; Tue, 29 Nov 2016 15:57:18 -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=dt9KrgP2mPciQ+61ioCoEB9tT8qsfXsmS1zls5bEOKCKkxZAidnAkhq7TyONJxb880 OfWHZBBhs6+vHdZtaHVE91KI84uXWgNeGSQy8V8vbpHNhtS3auIhriLeysEJoVQHTREI L4RfgyAEBTwzBC8MUX5rjUo7cFeFZyaDDpuC5cVruqpYHlZO+Mk8tQ86igAjgTBww+yM 6vwD/lPsqy+n1VafuY9okwEuEDJI20YMrlCoPRjMsazoPv+OGFaR77H990uaofiAxo+K v4msfrEKNb1zfeHCofCaH0ren2n897cETXEN+UyJS1mF3SsJB4FH+11GWRf6D/kr27lu cdMw== X-Gm-Message-State: AKaTC00Gc1EP7P63vBkbRPvNNr01bWkxYIIxmI1HI7q3BqWsyA9XDV2/OsvPsBZWlba2o0I6 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161129_155740_301898_EF38FDF8 X-CRM114-Status: GOOD ( 13.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Sekhar Nori , Hans Verkuil , Sakari Ailus , Laurent Pinchart , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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>; + }; + }; + }; +};