From patchwork Fri Sep 12 08:48:57 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 4893261 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4BE6F9F537 for ; Fri, 12 Sep 2014 09:50:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6E664202C8 for ; Fri, 12 Sep 2014 09:55:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 20F2E2028D for ; Fri, 12 Sep 2014 09:55:43 +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 1XSNXw-0006u8-Id; Fri, 12 Sep 2014 09:53:40 +0000 Received: from mail-bn1on0137.outbound.protection.outlook.com ([157.56.110.137] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XSNXo-0006hE-KU for linux-arm-kernel@lists.infradead.org; Fri, 12 Sep 2014 09:53:33 +0000 Received: from CH1PR03CA006.namprd03.prod.outlook.com (10.255.156.151) by BY2PR03MB347.namprd03.prod.outlook.com (10.141.139.16) with Microsoft SMTP Server (TLS) id 15.0.1034.8; Fri, 12 Sep 2014 09:53:08 +0000 Received: from BN1BFFO11FD019.protection.gbl (10.255.156.132) by CH1PR03CA006.outlook.office365.com (10.255.156.151) with Microsoft SMTP Server (TLS) id 15.0.1024.12 via Frontend Transport; Fri, 12 Sep 2014 09:53:08 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11FD019.mail.protection.outlook.com (10.58.144.82) with Microsoft SMTP Server (TLS) id 15.0.1019.14 via Frontend Transport; Fri, 12 Sep 2014 09:53:07 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id s8C9qoN4025461; Fri, 12 Sep 2014 02:53:00 -0700 From: Robin Gong To: , , , , , , , , , , , Subject: [PATCH v2 1/3] ARM: dts: imx6: add pm_power_off support for i.mx6 chips Date: Fri, 12 Sep 2014 16:48:57 +0800 Message-ID: <1410511739-31122-2-git-send-email-b38343@freescale.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1410511739-31122-1-git-send-email-b38343@freescale.com> References: <1410511739-31122-1-git-send-email-b38343@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(189002)(199003)(77156001)(87936001)(93916002)(33646002)(47776003)(106466001)(92726001)(50986999)(76176999)(104016003)(84676001)(64706001)(92566001)(80022001)(2201001)(99396002)(89996001)(81542001)(85306004)(76482001)(20776003)(21056001)(19580405001)(87286001)(81342001)(83322001)(36756003)(19580395003)(229853001)(95666004)(74502001)(31966008)(74662001)(107046002)(6806004)(79102001)(44976005)(97736003)(105606002)(102836001)(50466002)(4396001)(104166001)(50226001)(26826002)(90102001)(62966002)(83072002)(88136002)(85852003)(48376002)(46102001)(77982001)(68736004)(1121002)(921003)(42262002)(2101003)(83996005); DIR:OUT; SFP:1102; SCL:1; SRVR:BY2PR03MB347; H:tx30smr01.am.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR03MB347; X-Forefront-PRVS: 0332AACBC3 Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=yibin.gong@freescale.com; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140912_025332_895925_80718C4A X-CRM114-Status: UNSURE ( 7.89 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.8 (-) Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 All chips of i.mx6 can be powered off by programming SNVS. For example : On i.mx6q-sabresd board, PMIC_ON_REQ connect with external pmic ON/OFF pin, that will cause the whole PMIC powered off except VSNVS. And system can restart once PMIC_ON_REQ goes high by push POWRER key. Signed-off-by: Robin Gong --- .../bindings/power_supply/imx-snvs-poweroff.txt | 21 +++++++++++++++++++++ arch/arm/boot/dts/imx6qdl.dtsi | 5 +++++ arch/arm/boot/dts/imx6sl.dtsi | 5 +++++ arch/arm/boot/dts/imx6sx.dtsi | 5 +++++ 4 files changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt diff --git a/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt b/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt new file mode 100644 index 0000000..1a3ab9a --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt @@ -0,0 +1,21 @@ +i.mx6 Poweroff Driver + +SNVS_LPCR in SNVS module can power off the whole system by pull +PMIC_ON_REQ low. + +Required Properties: +-compatible: "fsl,sec-v4.0-poweroff" +-reg: Specifies the physical address of the SNVS_LPCR register + +Example: + snvs@020cc000 { + compatible = "fsl,sec-v4.0-mon", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x020cc000 0x4000>; + ..... + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; + } diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 70d7207..d2d7563 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -650,6 +650,11 @@ interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>, <0 20 IRQ_TYPE_LEVEL_HIGH>; }; + + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; }; epit1: epit@020d0000 { /* EPIT1 */ diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index ba67714..6e1d8f6 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -568,6 +568,11 @@ interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>, <0 20 IRQ_TYPE_LEVEL_HIGH>; }; + + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; }; epit1: epit@020d0000 { diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index d137caca..c1f937e 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -671,6 +671,11 @@ reg = <0x34 0x58>; interrupts = , ; }; + + snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + reg = <0x38 0x4>; + }; }; epit1: epit@020d0000 {