From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57D6FC10F03 for ; Mon, 25 Mar 2019 18:35:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 35D502087C for ; Mon, 25 Mar 2019 18:35:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730168AbfCYSfC (ORCPT ); Mon, 25 Mar 2019 14:35:02 -0400 Received: from mail-ua1-f66.google.com ([209.85.222.66]:43931 "EHLO mail-ua1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729125AbfCYSfC (ORCPT ); Mon, 25 Mar 2019 14:35:02 -0400 Received: by mail-ua1-f66.google.com with SMTP id g1so3341893uae.10; Mon, 25 Mar 2019 11:35:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=qoedbogiIzRAT9qJqPDHpzgekqVxVg+VJy/0Qt37Bks=; b=Gmv43iMVEq2D+/2lyFvvtpw+NI0Rdt0T8SlhVkHhZAmJOG32r4g5E/CsdqC/kUSah6 pfLywPxUvr+7laocLHXF38RzjllDPidkDw0BKJNPR+ZCJjfkly7j8EUz9Dp/nWqfTnNi 5WtO9ducv4I3Qw9kVWbrs2xAd7QA0jB1cWmoZtvOhHG6kEuhGDXEO2k07KxCjoS4Nr+x +kMHrO8T1kTEL+IgffHRH4ne7UAuvIIEgeh59agMfR0FJtjeHzm5l5Q88SHuFzo9kTkd FVSGmmY/KOv2r/KQSwPmQTUJj0XwZdhAN44uRH3t9gCdlWhIHdz1CJIpfksDfzWtoOnC tsDg== X-Gm-Message-State: APjAAAVwMdaNJSiCjDFZe8Pm7rkbQPCEeTBVRdyoOhezhtJ9aAexMn/N los75Iisq+jyxxzkv90hNKxqeyyGqTrspjsYPUZ7+Q== X-Google-Smtp-Source: APXvYqyM88OeB5zGrVKSuAgyMXGaWbdTKRH9/iefCVaBoqME4SLeaRjEGoQJtZTFKaFPc6UJYjUbQGEeWWjda52nusc= X-Received: by 2002:ab0:7797:: with SMTP id x23mr3882993uar.28.1553538901114; Mon, 25 Mar 2019 11:35:01 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Geert Uytterhoeven Date: Mon, 25 Mar 2019 19:34:49 +0100 Message-ID: Subject: Re: [PATCH] dt-bindings: media: Renesas R-Car IMR bindings To: Sergei Shtylyov Cc: Mauro Carvalho Chehab , Rob Herring , Linux Media Mailing List , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Mark Rutland , Linux-Renesas , Rob Herring , Laurent Pinchart , Kieran Bingham Content-Type: text/plain; charset="UTF-8" Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org CC Laurent, Kieran On Mon, Mar 25, 2019 at 7:14 PM Sergei Shtylyov wrote: > The image renderer (IMR), or the distortion correction engine, is a > drawing processor with a simple instruction system capable of referencing > video capture data or data in an external memory as the 2D texture data > and performing texture mapping and drawing with respect to any shape that > is split into triangular objects. > > Document the device tree bindings for the image renderer light extended 4 > (IMR-LX4) found in the R-Car gen3 SoCs... > > Signed-off-by: Sergei Shtylyov > Acked-by: Rob Herring > > --- > This patch is against the 'master' branch of the 'media_tree.git' repo. > > This patch has been split from the large IMR driver patch (which would need > much more work), it fixes checkpatch.pl's warnings on the SoC .dtsi files > which have been already merged (the bindings didn't change since v1 of the > driver patch). > > Documentation/devicetree/bindings/media/rcar_imr.txt | 27 +++++++++++++++++++ > 1 file changed, 27 insertions(+) > > Index: media_tree/Documentation/devicetree/bindings/media/rcar_imr.txt > =================================================================== > --- /dev/null > +++ media_tree/Documentation/devicetree/bindings/media/rcar_imr.txt > @@ -0,0 +1,27 @@ > +Renesas R-Car Image Renderer (Distortion Correction Engine) > +----------------------------------------------------------- > + > +The image renderer, or the distortion correction engine, is a drawing processor > +with a simple instruction system capable of referencing video capture data or > +data in an external memory as 2D texture data and performing texture mapping > +and drawing with respect to any shape that is split into triangular objects. > + > +Required properties: > + > +- compatible: "renesas,-imr-lx4", "renesas,imr-lx4" as a fallback for > + the image renderer light extended 4 (IMR-LX4) found in the R-Car gen3 SoCs, > + where the examples with are: > + - "renesas,r8a7795-imr-lx4" for R-Car H3, > + - "renesas,r8a7796-imr-lx4" for R-Car M3-W. > +- reg: offset and length of the register block; > +- interrupts: single interrupt specifier; > +- clocks: single clock phandle/specifier pair. power-domains? (they're usually not in the always-on area on R-Car Gen3) resets? > + > +Example: > + > + imr-lx4@fe860000 { > + compatible = "renesas,r8a7795-imr-lx4", "renesas,imr-lx4"; > + reg = <0 0xfe860000 0 0x2000>; > + interrupts = ; > + clocks = <&cpg CPG_MOD 823>; > + }; Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds