From patchwork Thu Apr 6 12:52:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 9667141 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8615E601EB for ; Thu, 6 Apr 2017 13:01:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7BCAC2847F for ; Thu, 6 Apr 2017 13:01:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 707FF28581; Thu, 6 Apr 2017 13:01:18 +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=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E95712847F for ; Thu, 6 Apr 2017 13:01:15 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 8AFD9267323; Thu, 6 Apr 2017 14:51:24 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id AF6C9267325; Thu, 6 Apr 2017 14:51:22 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by alsa0.perex.cz (Postfix) with ESMTP id 9E6D7267321 for ; Thu, 6 Apr 2017 14:51:19 +0200 (CEST) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v36ChZZw001271; Thu, 6 Apr 2017 07:51:18 -0500 Authentication-Results: ppops.net; spf=none smtp.mailfrom=ckeepax@opensource.wolfsonmicro.com Received: from mail3.cirrus.com ([87.246.76.56]) by mx0a-001ae601.pphosted.com with ESMTP id 29m4mp47ak-1; Thu, 06 Apr 2017 07:51:18 -0500 Received: from EX17.ad.cirrus.com (ex17.ad.cirrus.com [172.20.9.81]) by mail3.cirrus.com (Postfix) with ESMTP id 4F371611CE71; Thu, 6 Apr 2017 07:52:58 -0500 (CDT) Received: from imbe.wolfsonmicro.main (198.61.95.81) by EX17.ad.cirrus.com (172.20.9.81) with Microsoft SMTP Server id 14.3.301.0; Thu, 6 Apr 2017 13:51:17 +0100 Received: from algalon.ad.cirrus.com (algalon.ad.cirrus.com [198.90.223.36]) by imbe.wolfsonmicro.main (8.14.4/8.14.4) with ESMTP id v36CoTZm028746; Thu, 6 Apr 2017 13:50:29 +0100 From: Charles Keepax To: Date: Thu, 6 Apr 2017 13:52:14 +0100 Message-ID: <1491483134-28079-3-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1491483134-28079-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1491483134-28079-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> MIME-Version: 1.0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1702020001 definitions=main-1704060106 Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, brian.austin@cirrus.com, alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com, Paul.Handrigan@cirrus.com, robh+dt@kernel.org Subject: [alsa-devel] [PATCH 3/3] ASoC: cs35l35: Add DT binding to specify usage of an external boost supply X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Add a device tree binding to let the driver know that the amplifier is configured to use an external boost supply. Signed-off-by: Charles Keepax --- Documentation/devicetree/bindings/sound/cs35l35.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/cs35l35.txt b/Documentation/devicetree/bindings/sound/cs35l35.txt index 958f0ea..457d176 100644 --- a/Documentation/devicetree/bindings/sound/cs35l35.txt +++ b/Documentation/devicetree/bindings/sound/cs35l35.txt @@ -33,6 +33,10 @@ Optional properties: - cirrus,shared-boost : Boolean to enable ClassH tracking of Advisory Signal if 2 Devices share Boost BST_CTL + - cirrus,external-boost : Boolean to specify the device is using an external + boost supply, note that sharing a boost from another cs35l35 would constitute + using an external supply for the slave device + - cirrus,sp-drv-strength : Value for setting the Serial Port drive strength Table 3-10 of the datasheet lists drive-strength specifications 0 = 1x (Default)