{"id":805784,"url":"http://patchwork.ozlabs.org/api/1.2/patches/805784/?format=json","web_url":"http://patchwork.ozlabs.org/project/devicetree-bindings/patch/20170825063503.31577-2-andrew@aj.id.au/","project":{"id":37,"url":"http://patchwork.ozlabs.org/api/1.2/projects/37/?format=json","name":"Devicetree Bindings","link_name":"devicetree-bindings","list_id":"devicetree.vger.kernel.org","list_email":"devicetree@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170825063503.31577-2-andrew@aj.id.au>","list_archive_url":null,"date":"2017-08-25T06:35:02","name":"[1/2] dt-bindings: leds: gpio: Add optional retain-state-shutdown property","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"1798225d1607a2a0c0d8ab545aea3f39502446d9","submitter":{"id":68332,"url":"http://patchwork.ozlabs.org/api/1.2/people/68332/?format=json","name":"Andrew Jeffery","email":"andrew@aj.id.au"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/devicetree-bindings/patch/20170825063503.31577-2-andrew@aj.id.au/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/805784/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/805784/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming-dt@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-dt@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=devicetree-owner@vger.kernel.org; receiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=aj.id.au header.i=@aj.id.au header.b=\"kqLC+EK8\";\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=messagingengine.com\n\theader.i=@messagingengine.com\n\theader.b=\"QM464gPS\"; dkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xdrzS0WBdz9t24\n\tfor ;\n\tFri, 25 Aug 2017 16:36:36 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754285AbdHYGgI (ORCPT\n\t);\n\tFri, 25 Aug 2017 02:36:08 -0400","from out2-smtp.messagingengine.com ([66.111.4.26]:38919 \"EHLO\n\tout2-smtp.messagingengine.com\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1754231AbdHYGgF (ORCPT\n\t); Fri, 25 Aug 2017 02:36:05 -0400","from compute4.internal (compute4.nyi.internal [10.202.2.44])\n\tby mailout.nyi.internal (Postfix) with ESMTP id 8504C21479;\n\tFri, 25 Aug 2017 02:36:04 -0400 (EDT)","from frontend1 ([10.202.2.160])\n\tby compute4.internal (MEProxy); Fri, 25 Aug 2017 02:36:04 -0400","from keelia.aj.id.au\n\t(ppp118-210-176-216.bras2.adl6.internode.on.net [118.210.176.216])\n\tby mail.messagingengine.com (Postfix) with ESMTPA id 9EBBE7E1B4;\n\tFri, 25 Aug 2017 02:36:00 -0400 (EDT)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=cc\n\t:date:from:in-reply-to:message-id:references:subject:to\n\t:x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s=fm1; bh=NcTUM4\n\tEhpW7ne/3uFo+obaqRQHcFXtOdywhZSzQTpRM=; b=kqLC+EK8SWqx9CgaEjsIZx\n\tcnqYOvU4+nGYCM9LyucVFPAtf7QmulTYF9nx06NolRdOlAcZ6X5zB/xgdn/Mo4py\n\tzZ8UKMQJHQ3WpxWXMrQuZ+JRBvMe1EpjkYVRGqW6UmezLPXWvchebBTH5Zrj5Dfu\n\t6BFNZmBqNcQry0IH1mLCw/zNowU/+4YTY4bWs/MyfZUroVcJJ1AyOH2vhUrz/w3d\n\tYnMqJFmevPCqqWvCEkXh4kWGBss7DArqUiWEYW038bc1w8lATXGkZqnZfQj5JFrk\n\tOYn62lc+uPRZlQXv5klLcS5lMJTcrxCk/5MtIj5R6sVX73ORZLqRsi4nEKCqvY7Q\n\t==","v=1; a=rsa-sha256; c=relaxed/relaxed; d=\n\tmessagingengine.com; h=cc:date:from:in-reply-to:message-id\n\t:references:subject:to:x-me-sender:x-me-sender:x-sasl-enc\n\t:x-sasl-enc; s=fm1; bh=NcTUM4EhpW7ne/3uFo+obaqRQHcFXtOdywhZSzQTp\n\tRM=; b=QM464gPSgVo5/00yUz4RK5/AK+w4b9QhnJSH5APH9X/cQDnnqgo3tkpFG\n\tWsaZLJ4lDZsuk79NliwLgVtHUgXMvKj2HtTBqz62DriRKAV1LplKXopeYzH3pwZK\n\t+sp7mi2k32gZQBnQpV7fSai++xXeSGywGOyFQnmdpR+QOnc0K0myxf1dC7UkDwLz\n\t9dPDDzt17BsSoysK/8w4PelXBuebKxVsn3amgS+72BK7XITr9Wido2lI+k6RxB/k\n\tY6MR8SIt/jVVR1Dw1quagVaytVUWGnBSNDsbKCTyXuvEaga8Xz716zx5fdNxRiCF\n\tpFG12gf9P0DyrRmzjzPVv9Hf31yuA=="],"X-ME-Sender":"","X-Sasl-enc":"JzDY7hYVZZSzW2hiCXhbgCZ2kQvemiy5xwYzOJzvPEGD 1503642963","From":"Andrew Jeffery ","To":"linux-leds@vger.kernel.org","Cc":"Andrew Jeffery , rpurdie@rpsys.net,\n\tjacek.anaszewski@gmail.com, pavel@ucw.cz, robh+dt@kernel.org,\n\tmark.rutland@arm.com, devicetree@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org, joel@jms.id.au, openbmc@lists.ozlabs.org","Subject":"[PATCH 1/2] dt-bindings: leds: gpio: Add optional\n\tretain-state-shutdown property","Date":"Fri, 25 Aug 2017 16:05:02 +0930","Message-Id":"<20170825063503.31577-2-andrew@aj.id.au>","X-Mailer":"git-send-email 2.11.0","In-Reply-To":"<20170825063503.31577-1-andrew@aj.id.au>","References":"<20170825063503.31577-1-andrew@aj.id.au>","Sender":"devicetree-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"devicetree@vger.kernel.org"},"content":"On BMC systems it's sometimes necessary for a LED to retain its state\nacross a BMC reset (which is independent of the host system state). Add\na devicetree property to describe this behaviour. The property would\ntypically be used in conjunction with 'default-state = \"keep\"'.\n\nSigned-off-by: Andrew Jeffery \n---\n Documentation/devicetree/bindings/leds/leds-gpio.txt | 3 +++\n 1 file changed, 3 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/leds/leds-gpio.txt b/Documentation/devicetree/bindings/leds/leds-gpio.txt\nindex 76535ca37120..a48dda268f81 100644\n--- a/Documentation/devicetree/bindings/leds/leds-gpio.txt\n+++ b/Documentation/devicetree/bindings/leds/leds-gpio.txt\n@@ -18,6 +18,9 @@ LED sub-node properties:\n see Documentation/devicetree/bindings/leds/common.txt\n - retain-state-suspended: (optional) The suspend state can be retained.Such\n as charge-led gpio.\n+- retain-state-shutdown: (optional) Retain the state of the LED on shutdown.\n+ Useful in BMC systems, for example when the BMC is rebooted while the host\n+ remains up.\n - panic-indicator : (optional)\n see Documentation/devicetree/bindings/leds/common.txt\n \n","prefixes":["1/2"]}