From patchwork Thu Jul 16 09:04:31 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 6805431 Return-Path: X-Original-To: patchwork-linux-arm@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 5AA9BC05AD for ; Thu, 16 Jul 2015 09:07:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6E5402073B for ; Thu, 16 Jul 2015 09:07:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7BFF82074E for ; Thu, 16 Jul 2015 09:07:20 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZFf6x-0006OV-BK; Thu, 16 Jul 2015 09:05:47 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZFf6u-0006Ce-5Y; Thu, 16 Jul 2015 09:05:44 +0000 X-Listener-Flag: 11101 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 371545946; Thu, 16 Jul 2015 17:05:21 +0800 Received: from mhfsdcap03.localdomain (10.17.3.153) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Thu, 16 Jul 2015 17:05:20 +0800 From: Yong Wu To: Joerg Roedel , Thierry Reding , Mark Rutland , Matthias Brugger Subject: [PATCH v3 2/6] dt-bindings: mediatek: Add smi dts binding Date: Thu, 16 Jul 2015 17:04:31 +0800 Message-ID: <1437037475-9065-3-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1437037475-9065-1-git-send-email-yong.wu@mediatek.com> References: <1437037475-9065-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150716_020544_409910_379CC82F X-CRM114-Status: GOOD ( 17.50 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, pebolle@tiscali.nl, mitchelh@codeaurora.org, arnd@arndb.de, srv_heupstream@mediatek.com, Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , Daniel Kurtz , yong.wu@mediatek.com, Sasha Hauer , cloud.chou@mediatek.com, linux-mediatek@lists.infradead.org, frederic.chen@mediatek.com, Robin Murphy , linux-arm-kernel@lists.infradead.org, Lucas Stach Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 This patch add smi binding document. Signed-off-by: Yong Wu --- .../memory-controllers/mediatek,smi-larb.txt | 25 ++++++++++++++++++++ .../bindings/memory-controllers/mediatek,smi.txt | 24 +++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt \ No newline at end of file diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt new file mode 100644 index 0000000..ae11dcf --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt @@ -0,0 +1,25 @@ +SMI (Smart Multimedia Interface) Local Arbiter + +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt + +Required properties: +- compatible : must be "mediatek,mt8173-smi-larb" +- reg : the register and size of this local arbiter. +- mediatek,smi : a phandle to the smi_common node. +- power-domains : a phandle to the power domain of this local arbiter. +- clocks : Must contain an entry for each entry in clock-names. +- clock-names: must contain 2 entries, as follows: + - "apb" : Advanced Peripheral Bus clock, It's the clock for setting + the register. + - "smi" : It's the clock for transfer data and command. + +Example: + larb1: larb@16010000 { + compatible = "mediatek,mt8173-smi-larb"; + reg = <0 0x16010000 0 0x1000>; + mediatek,smi = <&smi_common>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>; + clocks = <&vdecsys CLK_VDEC_CKEN>, + <&vdecsys CLK_VDEC_LARB_CKEN>; + clock-names = "apb", "smi"; + }; \ No newline at end of file diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt new file mode 100644 index 0000000..f34b3ef --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi.txt @@ -0,0 +1,24 @@ +SMI (Smart Multimedia Interface) + +The hardware block diagram please check bindings/iommu/mediatek,iommu.txt + +Required properties: +- compatible : must be "mediatek,mt8173-smi" +- reg : the register and size of the SMI block. +- power-domains : a phandle to the power domain of this local arbiter. +- clocks : Must contain an entry for each entry in clock-names. +- clock-names : must contain 2 entries, as follows: + - "apb" : Advanced Peripheral Bus clock, It's the clock for setting + the register. + - "smi" : It's the clock for transfer data and command. + They may be the same if both source clock are the same. + +Example: + smi_common: smi@14022000 { + compatible = "mediatek,mt8173-smi"; + reg = <0 0x14022000 0 0x1000>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_SMI_COMMON>, + <&mmsys CLK_MM_SMI_COMMON>; + clock-names = "apb", "smi"; + };