From patchwork Wed Sep 26 21:58:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jae Hyun Yoo X-Patchwork-Id: 10616963 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F08C615A6 for ; Wed, 26 Sep 2018 22:00:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D6CF52B88F for ; Wed, 26 Sep 2018 22:00:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D48692B89F; Wed, 26 Sep 2018 22:00:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E17122B88F for ; Wed, 26 Sep 2018 22:00:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mOKc5zyZg6KbLlu39+VthrPCQRlP/sB+TIQCzU643TY=; b=uOKnhqBYMHiCyI suNg+fT817tzKfUidqspZiP3ZkfM66zViUfdFeIjdaR4He7ci3vLY+Rj+5y4GVu/p8Qtc3Yxm+qkE k6xs+Ih6lOgOpuNlzkyoKu0CgQuEda3hBcaSOnY5zMODaN3MzqgkYkw7rqGuqW1Aa0/SqeH0CNQkO WEObZtIENfFxmgzW5RP/AifKa+JqGWmMpfQVhXACDj5lgnIuPBXtmkxXMLQbgV1qdq/LvLx/X1ikC mUjhnynTPTp+vMx74H7WOTK7XmBvz79dnf54rE2xFSTwcUYBjtD6UM0HemSmyvURvkWCWHf2H/2l2 DwSD17x3Gz+NmT/1PFYQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g5Hr3-0001et-3Y; Wed, 26 Sep 2018 22:00:21 +0000 Received: from mga12.intel.com ([192.55.52.136]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g5Hpz-0001a8-MW for linux-arm-kernel@lists.infradead.org; Wed, 26 Sep 2018 21:59:17 +0000 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Sep 2018 14:58:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,307,1534834800"; d="scan'208";a="73957795" Received: from maru.jf.intel.com ([10.54.51.77]) by fmsmga008.fm.intel.com with ESMTP; 26 Sep 2018 14:58:45 -0700 From: Jae Hyun Yoo To: Brendan Higgins , Wolfram Sang , Benjamin Herrenschmidt , Joel Stanley , Rob Herring , Mark Rutland , Andrew Jeffery , linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH i2c-next v3 1/3] dt-bindings: i2c: aspeed: Add 'timeout' property as an optional property Date: Wed, 26 Sep 2018 14:58:40 -0700 Message-Id: <20180926215842.23125-2-jae.hyun.yoo@linux.intel.com> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180926215842.23125-1-jae.hyun.yoo@linux.intel.com> References: <20180926215842.23125-1-jae.hyun.yoo@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180926_145915_783728_C2F9E3CC X-CRM114-Status: GOOD ( 11.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vernon Mauery , Jae Hyun Yoo , Jarkko Nikula , James Feist Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This commit adds 'aspeed,timeout' property as an optional property which can be used for setting 'timeout' value of 'struct i2c_adapter'. With this patch, the timeout value can be set through an I2C_TIMEOUT ioctl on cdev, or through this optional DT property. Signed-off-by: Jae Hyun Yoo --- Documentation/devicetree/bindings/i2c/i2c-aspeed.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt index 8fbd8633a387..d6965b360fbc 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-aspeed.txt @@ -17,6 +17,9 @@ Optional Properties: specified - multi-master : states that there is another master active on this bus. +- aspeed,timeout : I2C bus timeout in microseconds defaults to 5 seconds when + not specified. + Example: i2c {