From patchwork Fri Dec 22 12:22:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 10130383 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 9ADDC6019D for ; Fri, 22 Dec 2017 12:29:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8DA5229C98 for ; Fri, 22 Dec 2017 12:29:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8175229E93; Fri, 22 Dec 2017 12:29:16 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EB7F129C98 for ; Fri, 22 Dec 2017 12:29:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=+W7AJEKGatI3jiYUHuMUaYqiJuSNLkZNkFevTGs1eV8=; b=QTqIa/RUwMgC/iEMYPR/KK+VZp Yb74WcXsjuqKj/sAKOxzfeRw7U9pn1jk1ouoWnwRpDI7KQFbPkmeAYDex3T6nNoxttX/AgfdWuBUc 0jq5PUSoOh1APTBi8/HosiNB89y5CgXFIG/rxwFG0zoCCW0HYWXA6i/qRobH4QNsgDKGItPIDLaJD KZlCmfPYvUQ5bIxcHdqvvu+xIT2dSIO/2xkQiYX3KhhA+LP4XU5gIV1tRrNaA4ypvKnczGQA0X014 q6CUIlnLPN1dzvBgH17fdMiyEm2t7JxSuDS8+adTfRt2N9qYc4yORfN1mUUm9GQsy6SpfxW4IIUMo Lohg7bQA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eSMRq-0005PN-Ov; Fri, 22 Dec 2017 12:29:10 +0000 Received: from caracal.maple.relay.mailchannels.net ([23.83.214.30]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eSMPb-0003wh-PS for linux-arm-kernel@lists.infradead.org; Fri, 22 Dec 2017 12:27:29 +0000 X-Sender-Id: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 70B4B3E1014; Fri, 22 Dec 2017 12:26:40 +0000 (UTC) Received: from hermes.aosc.io (unknown [100.96.29.5]) (Authenticated sender: lmn-TZDUIOWCRQMW) by relay.mailchannels.net (Postfix) with ESMTPA id 9A7DB3E107B; Fri, 22 Dec 2017 12:26:39 +0000 (UTC) X-Sender-Id: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io Received: from hermes.aosc.io (hermes.aosc.io [172.18.43.43]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.11.3); Fri, 22 Dec 2017 12:26:40 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io X-MailChannels-Auth-Id: lmn-TZDUIOWCRQMW X-Grain-Chief: 08e81faf3ecce273_1513945600224_3159007296 X-MC-Loop-Signature: 1513945600224:2985707707 X-MC-Ingress-Time: 1513945600224 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 96DD85464B; Fri, 22 Dec 2017 12:26:34 +0000 (UTC) From: Icenowy Zheng To: Rob Herring , Maxime Ripard , Chen-Yu Tsai Subject: [PATCH v3 08/11] dt-bindings: add binding for A64 DE2 CCU SRAM Date: Fri, 22 Dec 2017 20:22:40 +0800 Message-Id: <20171222122243.25735-9-icenowy@aosc.io> In-Reply-To: <20171222122243.25735-1-icenowy@aosc.io> References: <20171222122243.25735-1-icenowy@aosc.io> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171222_042652_887359_EDE7BC93 X-CRM114-Status: UNSURE ( 6.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Icenowy Zheng MIME-Version: 1.0 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 A64's Display Engine 2.0 needs a section of SRAM (SRAM C) to be claimed, otherwise the whole DE2 memory zone cannot be accessed (kept to all 0). Add binding for this, in order to make the DE2 CCU able to claim the SRAM and enable access to the DE2 clock and reset registers. Acked-by: Rob Herring Signed-off-by: Icenowy Zheng --- Changes in v3: - Add Rob's ACK. Documentation/devicetree/bindings/clock/sun8i-de2.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/sun8i-de2.txt b/Documentation/devicetree/bindings/clock/sun8i-de2.txt index f2fa87c4765c..a7d558a2b9b2 100644 --- a/Documentation/devicetree/bindings/clock/sun8i-de2.txt +++ b/Documentation/devicetree/bindings/clock/sun8i-de2.txt @@ -6,6 +6,7 @@ Required properties : - "allwinner,sun8i-a83t-de2-clk" - "allwinner,sun8i-h3-de2-clk" - "allwinner,sun8i-v3s-de2-clk" + - "allwinner,sun50i-a64-de2-clk" - "allwinner,sun50i-h5-de2-clk" - reg: Must contain the registers base address and length @@ -18,6 +19,10 @@ Required properties : - #clock-cells : must contain 1 - #reset-cells : must contain 1 +Additional required properties for "allwinner,sun50i-a64-de2-clk" : +- allwinner,sram: See Documentation/devicetree/bindings/sram/sunxi-sram.txt, + should be the SRAM C section on A64 SoC. + Example: de2_clocks: clock@1000000 { compatible = "allwinner,sun8i-h3-de2-clk";