From patchwork Thu Jan 14 15:24:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 8037031 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9AC9F9FE75 for ; Fri, 15 Jan 2016 01:04:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C4D4020499 for ; Fri, 15 Jan 2016 01:04:48 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 17E732049D for ; Fri, 15 Jan 2016 01:04:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 83A7F6EAA7; Thu, 14 Jan 2016 17:04:38 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.free-electrons.com (down.free-electrons.com [37.187.137.238]) by gabe.freedesktop.org (Postfix) with ESMTP id 519AB7A0AB for ; Thu, 14 Jan 2016 07:26:03 -0800 (PST) Received: by mail.free-electrons.com (Postfix, from userid 110) id A2E5C1BF0; Thu, 14 Jan 2016 16:26:01 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost (AToulouse-657-1-997-244.w109-215.abo.wanadoo.fr [109.215.139.244]) by mail.free-electrons.com (Postfix) with ESMTPSA id 80FE0B2F; Thu, 14 Jan 2016 16:25:20 +0100 (CET) From: Maxime Ripard To: Mike Turquette , Stephen Boyd , David Airlie , Thierry Reding , Philipp Zabel Subject: [PATCH v2 08/26] clk: sun5i: add DRAM gates Date: Thu, 14 Jan 2016 16:24:51 +0100 Message-Id: <1452785109-6172-9-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1452785109-6172-1-git-send-email-maxime.ripard@free-electrons.com> References: <1452785109-6172-1-git-send-email-maxime.ripard@free-electrons.com> X-Mailman-Approved-At: Thu, 14 Jan 2016 17:04:36 -0800 Cc: Thomas Petazzoni , devicetree@vger.kernel.org, Wynter Woods , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Maxime Ripard , Hans de Goede , linux-sunxi@googlegroups.com, Laurent Pinchart , Alexander Kaplan , Chen-Yu Tsai , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The Allwinner SoCs have a gate controller to gate the access to the DRAM clock to the some devices that need to access the DRAM directly (mostly display / image related IPs). Use a simple gates driver to support the one found in the A13 / R8 SoCs. Signed-off-by: Maxime Ripard Acked-by: Chen-Yu Tsai Acked-by: Rob Herring --- Documentation/devicetree/bindings/clock/sunxi.txt | 1 + drivers/clk/sunxi/clk-simple-gates.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt index fe34fc56e803..2a76cc3718d4 100644 --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -57,6 +57,7 @@ Required properties: "allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31 "allwinner,sun8i-a23-apb2-gates-clk" - for the APB2 gates on A23 "allwinner,sun4i-a10-display-clk" - for the display clocks on the A10 + "allwinner,sun5i-a13-dram-gates-clk" - for the DRAM gates on A13 "allwinner,sun5i-a13-mbus-clk" - for the MBUS clock on A13 "allwinner,sun4i-a10-mmc-clk" - for the MMC clock "allwinner,sun9i-a80-mmc-clk" - for mmc module clocks on A80 diff --git a/drivers/clk/sunxi/clk-simple-gates.c b/drivers/clk/sunxi/clk-simple-gates.c index 0214c6548afd..5666c767fa14 100644 --- a/drivers/clk/sunxi/clk-simple-gates.c +++ b/drivers/clk/sunxi/clk-simple-gates.c @@ -112,6 +112,8 @@ CLK_OF_DECLARE(sun5i_a13_apb0, "allwinner,sun5i-a13-apb0-gates-clk", sunxi_simple_gates_init); CLK_OF_DECLARE(sun5i_a13_apb1, "allwinner,sun5i-a13-apb1-gates-clk", sunxi_simple_gates_init); +CLK_OF_DECLARE(sun5i_a13_dram, "allwinner,sun5i-a13-dram-gates-clk", + sunxi_simple_gates_init); CLK_OF_DECLARE(sun6i_a31_ahb1, "allwinner,sun6i-a31-ahb1-gates-clk", sunxi_simple_gates_init); CLK_OF_DECLARE(sun6i_a31_apb1, "allwinner,sun6i-a31-apb1-gates-clk",