From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B7C7C433E1 for ; Tue, 21 Jul 2020 04:01:25 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 682F52072E for ; Tue, 21 Jul 2020 04:01:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Bbqtz9CG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="RApvcY/8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 682F52072E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References:List-Owner; bh=1dnxCQbp+IhfLzoLawZgiI5X8/GK+6KkumETzks3nwk=; b=Bbqtz9CGhGqnXejIPikndvcLeR AEz5gGxcNIl/sJhyJ+5MltNE5lerR4TI5p3kkNzjFkdj89WDaF/TrGt9S0m0f8uGaR6T91Tq0CQEg 0iYBvyO2L+PueXpJEGNmS8eSrxBjKvI/QdUIEs6WxrXxCGlDdzfzFwOjGC9pzfZlzvOftxFlVniMp OASDB+9rAfVIlH8S6wQok7EB2rB4KhSFd2Mm1pHwR5ZhyRMYY0GLH2fYgc7hQchVEWjByDg2fRFns l011uDIfT4JnznEnROdjZhODbsAtLJX1AoAjzN0t4jkGFI3g8ZrY0gfCsCISm+kIC3PhK5qpSvDOv N9Uk5OQQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxjRT-0003e2-04; Tue, 21 Jul 2020 03:59:47 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxjRQ-0003ch-Ec; Tue, 21 Jul 2020 03:59:45 +0000 X-UUID: 14a33c92fbe44c64a0dcd7c3695e4eb1-20200720 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=ys6ay/2EcFcP8lJaTqfWEnfQAVFGAQzaC3q8LwD4aFQ=; b=RApvcY/8AhUuFDvWtzebBz2VDj0OZOKtYT2I2npYhnBSkcRw6D/W/n/LLD02pX/yXT/qe9zPXo5BtBHwRkT8NdbEdZ2x0E+RVv8rbmJkL7ZdLMzObgAE193ZPXDQvnBLIOy8CZJNG+1HfJGSbod8wtoArS4kZf9igrrMAFVLDgw=; X-UUID: 14a33c92fbe44c64a0dcd7c3695e4eb1-20200720 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 362309087; Mon, 20 Jul 2020 19:59:34 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 20 Jul 2020 20:59:34 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 21 Jul 2020 11:59:33 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 21 Jul 2020 11:59:33 +0800 From: Neal Liu To: Rob Herring , Matthias Brugger Subject: [PATCH v3] Add MediaTek MT6779 devapc driver Date: Tue, 21 Jul 2020 11:59:29 +0800 Message-ID: <1595303971-8793-1-git-send-email-neal.liu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200720_235944_644488_C20C06C2 X-CRM114-Status: GOOD ( 11.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, wsd_upstream@mediatek.com, lkml , linux-mediatek@lists.infradead.org, Neal Liu , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org These patch series introduce a MediaTek MT6779 devapc driver. MediaTek bus fabric provides TrustZone security support and data protection to prevent slaves from being accessed by unexpected masters. The security violation is logged and sent to the processor for further analysis or countermeasures. Any occurrence of security violation would raise an interrupt, and it will be handled by mtk-devapc driver. The violation information is printed in order to find the murderer. changes since v2: - pass platform info through DT data. - remove unnecessary function. - remove slave_type because it always equals to 1 in current support SoC. - use vio_idx_num instread of list all devices' index. - add more comments to describe hardware behavior. changes since v1: - move SoC specific part to DT data. - remove unnecessary boundary check. - remove unnecessary data type declaration. - use read_poll_timeout() instread of for loop polling. - revise coding style elegantly. *** BLURB HERE *** Neal Liu (2): dt-bindings: devapc: add bindings for mtk-devapc soc: mediatek: add mtk-devapc driver .../bindings/soc/mediatek/devapc.yaml | 58 +++ drivers/soc/mediatek/Kconfig | 9 + drivers/soc/mediatek/Makefile | 1 + drivers/soc/mediatek/mtk-devapc.c | 372 ++++++++++++++++++ drivers/soc/mediatek/mtk-devapc.h | 54 +++ 5 files changed, 494 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml create mode 100644 drivers/soc/mediatek/mtk-devapc.c create mode 100644 drivers/soc/mediatek/mtk-devapc.h -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel