{"id":805788,"url":"http://patchwork.ozlabs.org/api/patches/805788/?format=json","web_url":"http://patchwork.ozlabs.org/project/openbmc/patch/20170825065244.488-2-andrew@aj.id.au/","project":{"id":56,"url":"http://patchwork.ozlabs.org/api/projects/56/?format=json","name":"OpenBMC development","link_name":"openbmc","list_id":"openbmc.lists.ozlabs.org","list_email":"openbmc@lists.ozlabs.org","web_url":"http://github.com/openbmc/","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170825065244.488-2-andrew@aj.id.au>","list_archive_url":null,"date":"2017-08-25T06:52:40","name":"[linux,dev-4.10,1/5] dt-bindings: leds: gpio: Add optional retain-state-shutdown property","commit_ref":null,"pull_url":null,"state":"accepted","archived":true,"hash":"1798225d1607a2a0c0d8ab545aea3f39502446d9","submitter":{"id":68332,"url":"http://patchwork.ozlabs.org/api/people/68332/?format=json","name":"Andrew Jeffery","email":"andrew@aj.id.au"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/openbmc/patch/20170825065244.488-2-andrew@aj.id.au/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/805788/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/805788/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","openbmc@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@bilbo.ozlabs.org","openbmc@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xdsMW6wlnz9sDB\n\tfor ;\n\tFri, 25 Aug 2017 16:53:59 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xdsMW59f7zDrWK\n\tfor ;\n\tFri, 25 Aug 2017 16:53:59 +1000 (AEST)","from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com\n\t[66.111.4.26])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xdsM32Kf1zDrK0\n\tfor ; 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s=fm1; bh=NcTUM4EhpW7ne/3uFo+obaqRQHcFXtOdywhZSzQTp\n\tRM=; b=qgrzpAo+G5UHIdSkkdkBnPGN5SsqAc+8g/HPAT0noT1YBXUksm6rfS1Ry\n\tkkrDRHYywm2c2LyuLdXJzvFDC5aRpWhoakKo3yfn4kjeb4EECxuYvXzROId4lB2a\n\tSO5X5DE6JuG47J/084+kg55Oz8elD2suLll98tPTkxMW7THeR2i//j/7KpPcYb6m\n\ta60ICIpbWNef9NlJHDL85Q8ZVEFQJjW0YXFAl+qMIoHC9cw8eAZLS7/z6a8un3c4\n\trdxFrOZOBjNRyi9oJamta4pe0b6F66cf5ziWPQpYbJJSvIrcPjkyJLf17TD/NLlS\n\tXXwmYVYmnSWuc+6cTJ6d5MMi5Xm6w=="],"X-ME-Sender":"","X-Sasl-enc":"f47w9uI56yTRxt+mr2ecGHUFJf1paoloGd7yJ6rnhH64 1503644012","From":"Andrew Jeffery ","To":"joel@jms.id.au","Subject":"[PATCH linux dev-4.10 1/5] dt-bindings: leds: gpio: Add optional\n\tretain-state-shutdown property","Date":"Fri, 25 Aug 2017 16:22:40 +0930","Message-Id":"<20170825065244.488-2-andrew@aj.id.au>","X-Mailer":"git-send-email 2.11.0","In-Reply-To":"<20170825065244.488-1-andrew@aj.id.au>","References":"<20170825065244.488-1-andrew@aj.id.au>","X-BeenThere":"openbmc@lists.ozlabs.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"Development list for OpenBMC ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Andrew Jeffery , eajames@linux.vnet.ibm.com,\n\topenbmc@lists.ozlabs.org, clg@kaod.org, bjwyman@gmail.com","Errors-To":"openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org","Sender":"\"openbmc\"\n\t"},"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":["linux","dev-4.10","1/5"]}