From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752908AbaILJxS (ORCPT ); Fri, 12 Sep 2014 05:53:18 -0400 Received: from mail-bn1on0142.outbound.protection.outlook.com ([157.56.110.142]:60640 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751382AbaILJxM (ORCPT ); Fri, 12 Sep 2014 05:53:12 -0400 From: Robin Gong To: , , , , , , , , , , , CC: , , , 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 Content-Type: text/plain X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR03MB347; X-Forefront-PRVS: 0332AACBC3 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=yibin.gong@freescale.com; X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 { -- 1.9.1