From patchwork Tue Sep 26 10:05:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9971607 X-Patchwork-Delegate: geert@linux-m68k.org 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 F23D060393 for ; Tue, 26 Sep 2017 10:06:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0E73F28E66 for ; Tue, 26 Sep 2017 10:06:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 032DD28E7C; Tue, 26 Sep 2017 10:06:18 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AA21A28E68 for ; Tue, 26 Sep 2017 10:06:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967959AbdIZKGR (ORCPT ); Tue, 26 Sep 2017 06:06:17 -0400 Received: from galahad.ideasonboard.com ([185.26.127.97]:54386 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967955AbdIZKGQ (ORCPT ); Tue, 26 Sep 2017 06:06:16 -0400 Received: from avalon.guest.par1.mozilla.com (unknown [IPv6:2a00:8c40:243:232:120b:a9ff:fe3c:7148]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 4DEFA21471 for ; Tue, 26 Sep 2017 12:06:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1506420365; bh=LRWMMhJjh+ikEJQxk/mvf65dXzyoWEa6sjLHITwrKF4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=eMp31jhZR6oM/lkSRRoJqGFPww2nUMXbxFTdlLcmPqxcG47hGlO6xai9zSufVMI75 pEXW8vZs1vTIjtCJTUXjFIga3UKWvEZg+dyBzuvuHlvYOEX7fqZmL8CmsJKRzgoakz 8Zs09Lblks3t56Kboppr8+JK47T0i8V38S/HIli0= From: Laurent Pinchart To: linux-renesas-soc@vger.kernel.org Subject: [RFC 03/13] dt-bindings: media: renesas-fcp: Add memory-region property Date: Tue, 26 Sep 2017 13:05:55 +0300 Message-Id: <20170926100605.2313-6-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170926100605.2313-1-laurent.pinchart+renesas@ideasonboard.com> References: <20170926100605.2313-1-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-Virus-Scanned: ClamAV using ClamSMTP The FCP can't perform lossy decompression by itself, but relies instead on the DDR controller to provide that feature. To do so, it needs to allocate buffers from a special lossy decompression reserved memory area. This DT property references that memory area. Signed-off-by: Laurent Pinchart --- Documentation/devicetree/bindings/media/renesas,fcp.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/media/renesas,fcp.txt b/Documentation/devicetree/bindings/media/renesas,fcp.txt index c1f28736e2d6..489b026c4016 100644 --- a/Documentation/devicetree/bindings/media/renesas,fcp.txt +++ b/Documentation/devicetree/bindings/media/renesas,fcp.txt @@ -19,8 +19,11 @@ are paired with. These DT bindings currently support the FCPV and FCPF. - clocks: Reference to the functional clock Optional properties: - - power-domains : power-domain property defined with a power domain specifier - to respective power domain. + - memory-region: list of phandles referencing the lossy decompression reserved + memory regions associated with the FCP, if any. Valid for FCPV + and FCPVI instances only. + - power-domains: power-domain property defined with a power domain specifier + to respective power domain. Device node example