From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752494AbaJFImF (ORCPT ); Mon, 6 Oct 2014 04:42:05 -0400 Received: from filter1.ibarracuda.nl ([83.247.7.10]:46920 "EHLO filter1.ibarracuda.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752309AbaJFIlq (ORCPT ); Mon, 6 Oct 2014 04:41:46 -0400 X-ASG-Debug-ID: 1412584904-0759e7116045290002-xx1T2L X-Barracuda-Envelope-From: Frans.Klaver@xsens.com X-Barracuda-AUTH-User: xsenscom X-Barracuda-Apparent-Source-IP: 87.249.116.215 From: Frans Klaver To: Sebastian Reichel CC: =?UTF-8?q?Ren=C3=A9=20Moll?= , Tjerk Hofmeijer , Frans Klaver , Dmitry Eremin-Solenikov , David Woodhouse , Grant Likely , Rob Herring , , , Subject: [PATCH v3 2/2] power: reset: document LTC2952 poweroff support Date: Mon, 6 Oct 2014 10:40:36 +0200 X-ASG-Orig-Subj: [PATCH v3 2/2] power: reset: document LTC2952 poweroff support Message-ID: <1412584836-27677-3-git-send-email-frans.klaver@xsens.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1412584836-27677-1-git-send-email-frans.klaver@xsens.com> References: <1412584836-27677-1-git-send-email-frans.klaver@xsens.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [172.16.11.125] X-Barracuda-Connect: rev-215.116.249.87.virtu.nl[87.249.116.215] X-Barracuda-Start-Time: 1412584904 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://filter1.ibarracuda.nl:8000/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.10254 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: René Moll Signed-off-by: René Moll Signed-off-by: Tjerk Hofmeijer Signed-off-by: Frans Klaver --- .../bindings/power/reset/ltc2952-poweroff.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/reset/ltc2952-poweroff.txt diff --git a/Documentation/devicetree/bindings/power/reset/ltc2952-poweroff.txt b/Documentation/devicetree/bindings/power/reset/ltc2952-poweroff.txt new file mode 100644 index 0000000..3d15814 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/ltc2952-poweroff.txt @@ -0,0 +1,31 @@ +Binding for the LTC2952 PowerPath controller + +This chip is used to externally trigger a system shut down. Once the trigger has +been sent, the chips' watchdog has to be reset to gracefully shut down. +If the Linux systems decides to shut down it powers off the platform via the +kill signal. + +Required properties: + +- compatible: Must contain: "lltc,ltc2952" +- watchdog-gpios: phandle + gpio-specifier for the GPIO connected to the + chip's watchdog line +- kill-gpios: phandle + gpio-specifier for the GPIO connected to the + chip's kill line + +Optional properties: + +- trigger-gpios: phandle + gpio-specifier for the GPIO connected to the + chip's trigger line. If this property is not set, the + trigger function is ignored and the chip is kept alive + until an explicit kill signal is received + +Example: + +ltc2952 { + compatible = "lltc,ltc2952"; + + trigger-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; + watchdog-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + kill-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>; +}; -- 2.1.0