From patchwork Tue Mar 6 03:21:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 10260619 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 6D021602C8 for ; Tue, 6 Mar 2018 03:25:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5AB5D28D8F for ; Tue, 6 Mar 2018 03:25:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C79928D91; Tue, 6 Mar 2018 03:25:15 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E756F28D8F for ; Tue, 6 Mar 2018 03:25:14 +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=pvfbOLFwDVn+yojymsNuwhsU9JzrQeOWEVclk1akQio=; b=QToenE8RQEXzoFEQw3b1A0b43X 2Pjg5NdU7Rar2KStkMEzhQ4iJvZQQ5yp/CMqXPl/gHCOd7O5OvQhhZqSIdMKX/rbAu4SlYMV4JoQh dhz1dTRTWgHI7ZSaF3Hd8cOgmhNDecOpOkDcOM9eQ+u9KzewYGFD5fwoInzX37wBN37KDrbDJNzus WRa8bDxQMzzzLGK2VZj+GndVdnIjFPIdJkqXLp+Mu4NMdhhq5RNhhYtsdoq02oLBtDtvqapOYiwu+ NNBmOBqO46VdPzDPDaSBGVQjbcIpqjApZmSmfNNvJCVsvTywWfHuPpMWKrQ2Q26eHOyX9zCXn/czg zodemerg==; 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 1et3Dw-0002aM-5V; Tue, 06 Mar 2018 03:25:08 +0000 Received: from regular1.263xmail.com ([211.150.99.137]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1et3Bg-0001Dh-RQ; Tue, 06 Mar 2018 03:23:22 +0000 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.205]) by regular1.263xmail.com (Postfix) with ESMTP id 4B3E7DC1F; Tue, 6 Mar 2018 11:22:35 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 217E53DA; Tue, 6 Mar 2018 11:22:22 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 32191IL5SA0; Tue, 06 Mar 2018 11:22:32 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Subject: [PATCH v7 09/14] dt-bindings: iommu/rockchip: Add clock property Date: Tue, 6 Mar 2018 11:21:08 +0800 Message-Id: <20180306032113.22247-6-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180306032113.22247-1-jeffy.chen@rock-chips.com> References: <20180306030252.3197-1-jeffy.chen@rock-chips.com> <20180306032113.22247-1-jeffy.chen@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180305_192249_942260_02CEB763 X-CRM114-Status: UNSURE ( 7.72 ) 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: Mark Rutland , devicetree@vger.kernel.org, xxm@rock-chips.com, Joerg Roedel , Jeffy Chen , tfiga@chromium.org, jcliang@chromium.org, linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, Rob Herring , robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, Heiko Stuebner 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 Add clock property, since we are going to control clocks in rockchip iommu driver. Signed-off-by: Jeffy Chen Reviewed-by: Rob Herring Reviewed-by: Robin Murphy --- Changes in v7: None Changes in v6: Fix dt-binding as Robin suggested. Use aclk and iface clk as Rob and Robin suggested, and split binding patch. Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Documentation/devicetree/bindings/iommu/rockchip,iommu.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt index 2098f7732264..6ecefea1c6f9 100644 --- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt @@ -14,6 +14,11 @@ Required properties: "single-master" device, and needs no additional information to associate with its master device. See: Documentation/devicetree/bindings/iommu/iommu.txt +- clocks : A list of clocks required for the IOMMU to be accessible by + the host CPU. +- clock-names : Should contain the following: + "iface" - Main peripheral bus clock (PCLK/HCL) (required) + "aclk" - AXI bus clock (required) Optional properties: - rockchip,disable-mmu-reset : Don't use the mmu reset operation. @@ -27,5 +32,7 @@ Example: reg = <0xff940300 0x100>; interrupts = ; interrupt-names = "vopl_mmu"; + clocks = <&cru ACLK_VOP1>, <&cru HCLK_VOP1>; + clock-names = "aclk", "iface"; #iommu-cells = <0>; };