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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 246BBC4360C for ; Sat, 12 Oct 2019 10:05:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 EAD7D21D7E for ; Sat, 12 Oct 2019 10:05:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="B57h39eF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAD7D21D7E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amlogic.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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: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=XS6dSEwvsA754CVoleIYtGuAhOw3/+vIZKhZ8OlPO7o=; b=B57h39eFYcgmKX jyEDWBfB0Z6i8trERXc6peIZ3Dh8jcqE2Od/m5LjqL43C3otxIvUcRMeUuPG3PfCXXxtQgNCp38bg pWe3DH7qg9gCSOM3feF/gMXSotgKkpThVI1IzI5arkaR3pL6H0cDbWlR36LMPLuOBH8YXjZbPWjru JJv5+uPIm7qfodlDOteXIyRxw3kB9DCO1eoftsCaeO/EemTPgODS3SeawHcxTKlMrxr9L+54lwk6y KWKWqZRfow7BfgbV2J8mX6YaNc+HQp2pqC3ki2A63ApNHIwHS07MXu4g2uGjlodhYzyeiJ+ot/cIw OFDLy3bN+GEJCWfr3l3g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJEHD-0001Tn-HS; Sat, 12 Oct 2019 10:05:31 +0000 Received: from mail-sz.amlogic.com ([211.162.65.117]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iJEHB-0001Sr-Nk; Sat, 12 Oct 2019 10:05:30 +0000 Received: from droid12-sz.software.amlogic (10.28.8.22) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server id 15.1.1591.10; Sat, 12 Oct 2019 18:05:30 +0800 From: Xingyu Chen To: Wim Van Sebroeck , Guenter Roeck , Kevin Hilman , Neil Armstrong Subject: [PATCH 0/4] add meson secure watchdog driver Date: Sat, 12 Oct 2019 18:05:17 +0800 Message-ID: <1570874721-36077-1-git-send-email-xingyu.chen@amlogic.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.28.8.22] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191012_030529_772290_DF62AB78 X-CRM114-Status: UNSURE ( 8.47 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Qianggui Song , linux-watchdog@vger.kernel.org, Jianxin Pan , linux-kernel@vger.kernel.org, Rob Herring , Jian Hu , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Xingyu Chen , Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The watchdog controller on the Meson-A/C series SoCs is moved to secure world, We have to call SMC instruction to trap the ATF for watchdog operation. These operations are different from previous SoCs, so we introduce a new watchdog driver to support this kind of SoCs. Xingyu Chen (4): firmware: meson_sm: add new SMC ID support for accessing secure watchdog dt-bindings: watchdog: add new binding for meson secure watchdog watchdog: add meson secure watchdog driver arm64: dts: a1: add secure watchdog controller .../bindings/watchdog/amlogic,meson-sec-wdt.yaml | 34 ++++ arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 6 + drivers/firmware/meson/meson_sm.c | 1 + drivers/watchdog/Kconfig | 16 ++ drivers/watchdog/Makefile | 1 + drivers/watchdog/meson_sec_wdt.c | 205 +++++++++++++++++++++ include/linux/firmware/meson/meson_sm.h | 1 + 7 files changed, 264 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/amlogic,meson-sec-wdt.yaml create mode 100644 drivers/watchdog/meson_sec_wdt.c -- 2.7.4 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic