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,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 1E5AFC33CB1 for ; Wed, 15 Jan 2020 11:31:30 +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 E3C592077B for ; Wed, 15 Jan 2020 11:31:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uCYJgXTf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E3C592077B 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-arm-kernel-bounces+infradead-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=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=KlbGwVHMNxjGN0rKS2xwvddrLxEVWqh4wIGcaqZEfGI=; b=uCYJgXTfttzP1Z T/IpkkHczy79kkQ/TNjDNWjkdXTEoX8N+UwjGaUhcRRZ7k1v0pD5IHjt1AxEwAmElTslAFkjV/UuS qBLK//oEdnbwPkMiStf1gJT01h+lkTIr/Q19VVb0mm9n625vJzMO/y7sM/RJ7JI5iR4+j7B9ShClN Ll3BYAwodUmGXtVBSTp3Y43dOrhOguwavYdCOlJxIuGBBEk004UG4X151oVdOzmlinfy2goMydGJV MqF8pYv4GHBA24XFg5BVxyq5TBf5UNowo/01nDyQDDNdTH+z5S7JSs0RtmRyVjv22oZMVfxT/gLB3 phpbNptZ+EwhdF+nW9+Q==; 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 1irgtO-0002TE-Ds; Wed, 15 Jan 2020 11:31:22 +0000 Received: from mail-sh.amlogic.com ([58.32.228.43]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1irgsi-0001nW-66; Wed, 15 Jan 2020 11:30:45 +0000 Received: from droid13.amlogic.com (116.236.93.172) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.1591.10; Wed, 15 Jan 2020 19:31:02 +0800 From: Jianxin Pan To: Kevin Hilman , Subject: [PATCH v6 0/4] arm64: meson: add support for A1 Power Domains Date: Wed, 15 Jan 2020 19:30:27 +0800 Message-ID: <1579087831-94965-1-git-send-email-jianxin.pan@amlogic.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [116.236.93.172] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200115_033040_232628_95B30A6B X-CRM114-Status: UNSURE ( 8.44 ) X-CRM114-Notice: Please train this message. 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, Hanjie Lin , Victor Wan , Jianxin Pan , linux-pm@vger.kernel.org, Martin Blumenstingl , Neil Armstrong , linux-kernel@vger.kernel.org, Rob Herring , Jian Hu , Xingyu Chen , linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patchset introduces a "Secure Power Doamin Controller". In A1/C1, power controller registers such as PWRCTRL_FOCRSTN, PWRCTRL_PWR_OFF, PWRCTRL_MEM_PD and PWRCTRL_ISO_EN, are in the secure domain, and should be accessed from ATF by smc. The secure-pwrc will not be probed before the secure watchdog patchset is merged at [6], which adds of_platform_default_populate() in meson_sm_probe(). Changes since v5 at [4]: - Move sec-pwrc to child node of secure-monitor according to Rob's suggestion at [5] Changes since v4 at [3]: - add SM_A1_ prefix for PWRC_SET/GET - rename variable and update comments Changes since v3 at [2]: - remove phandle to secure-monitor node Changes since v2 at [1]: - update domain id - include dt-bindings in dts Changes since v1 at [0]: - use APIs from sm driver - rename pwrc_secure_get_power as Kevin suggested - add comments for always on domains - replace arch_initcall_sync with builtin_platform_driver - fix coding style [0] https://lore.kernel.org/linux-amlogic/1568895064-4116-1-git-send-email-jianxin.pan@amlogic.com [1] https://lore.kernel.org/linux-amlogic/1570695678-42623-1-git-send-email-jianxin.pan@amlogic.com [2] https://lore.kernel.org/linux-amlogic/1571391167-79679-1-git-send-email-jianxin.pan@amlogic.com [3] https://lore.kernel.org/linux-amlogic/1572868028-73076-1-git-send-email-jianxin.pan@amlogic.com [4] https://lore.kernel.org/linux-amlogic/1573532930-39505-2-git-send-email-jianxin.pan@amlogic.com [5] https://lore.kernel.org/linux-amlogic/07f0ed9d-0b1a-d84f-de8b-1967e56bbd21@amlogic.com/ [6] https://lore.kernel.org/linux-amlogic/1578973527-4759-3-git-send-email-xingyu.chen@amlogic.com Jianxin Pan (4): firmware: meson_sm: Add secure power domain support dt-bindings: power: add Amlogic secure power domains bindings soc: amlogic: Add support for Secure power domains controller arm64: dts: meson: a1: add secure power domain controller .../bindings/power/amlogic,meson-sec-pwrc.yaml | 40 ++++ arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 6 + drivers/firmware/meson/meson_sm.c | 2 + drivers/soc/amlogic/Kconfig | 13 ++ drivers/soc/amlogic/Makefile | 1 + drivers/soc/amlogic/meson-secure-pwrc.c | 204 +++++++++++++++++++++ include/dt-bindings/power/meson-a1-power.h | 32 ++++ include/linux/firmware/meson/meson_sm.h | 2 + 8 files changed, 300 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml create mode 100644 drivers/soc/amlogic/meson-secure-pwrc.c create mode 100644 include/dt-bindings/power/meson-a1-power.h -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel