From patchwork Sat Apr 23 23:49:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 8919271 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-renesas-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9F274BF440 for ; Sat, 23 Apr 2016 23:49:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EC38920225 for ; Sat, 23 Apr 2016 23:49:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33521201FA for ; Sat, 23 Apr 2016 23:49:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752380AbcDWXtq (ORCPT ); Sat, 23 Apr 2016 19:49:46 -0400 Received: from galahad.ideasonboard.com ([185.26.127.97]:35896 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752277AbcDWXtq (ORCPT ); Sat, 23 Apr 2016 19:49:46 -0400 Received: from avalon.bb.dnainternet.fi (85-23-193-79.bb.dnainternet.fi [85.23.193.79]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 484F920096; Sun, 24 Apr 2016 01:49:07 +0200 (CEST) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 01/13] dt-bindings: Add Renesas R-Car FCP DT bindings Date: Sun, 24 Apr 2016 02:49:48 +0300 Message-Id: <1461455400-28767-2-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1461455400-28767-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1461455400-28767-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The FCP is a companion module of video processing modules in the Renesas R-Car Gen3 SoCs. It provides data compression and decompression, data caching, and conversion of AXI transaction in order to reduce the memory bandwidth. Signed-off-by: Laurent Pinchart --- .../devicetree/bindings/media/renesas,fcp.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/renesas,fcp.txt Cc: devicetree@vger.kernel.org diff --git a/Documentation/devicetree/bindings/media/renesas,fcp.txt b/Documentation/devicetree/bindings/media/renesas,fcp.txt new file mode 100644 index 000000000000..46beec97d625 --- /dev/null +++ b/Documentation/devicetree/bindings/media/renesas,fcp.txt @@ -0,0 +1,31 @@ +Renesas R-Car Frame Compression Processor (FCP) +----------------------------------------------- + +The FCP is a companion module of video processing modules in the Renesas R-Car +Gen3 SoCs. It provides data compression and decompression, data caching, and +conversion of AXI transaction in order to reduce the memory bandwidth. + +There are three types of FCP whose configuration and behaviour highly depend +on the module they are paired with. + + - compatible: Must be one or more of the following + + - "renesas,r8a7795-fcpv" for R8A7795 (R-Car H3) compatible 'FCP for VSP' + - "renesas,fcpv" for generic compatible 'FCP for VSP' + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first, followed by the + family-specific and/or generic versions. + + - reg: the register base and size for the device registers + - clocks: Reference to the functional clock + + +Device node example +------------------- + + fcpvd1: fcp@fea2f000 { + compatible = "renesas,r8a7795-fcpv", "renesas,fcpv"; + reg = <0 0xfea2f000 0 0x200>; + clocks = <&cpg CPG_MOD 602>; + };