From patchwork Fri Mar 29 15:32:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanley Chu X-Patchwork-Id: 10877407 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 3860A1708 for ; Fri, 29 Mar 2019 15:33:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1B2CA29976 for ; Fri, 29 Mar 2019 15:33:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 16EAB299B9; Fri, 29 Mar 2019 15:33:18 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY 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 B5950299A7 for ; Fri, 29 Mar 2019 15:33:17 +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=io7QZ6Xx1IZRcWFjawuVfBGIBW5GohD7DG7ucPGkaJQ=; b=h+FujsCOSrZtNt q/JPylQxP10NvGQ2OuEZYW0YDT/OV/bOjWKmgzexALo5TJqWYq754cClLWGy9z4XBq6VqcXKggxW9 TrwrlTD6yMDesQ65TgZX8xwpoPQ6ooIeKIwPHq+Io8u6TAjmxE/kI2nTjAfpumHt9LssvL3EoFWpZ 2kal2peRzTr32Ie6tTrWF8kINdPzCXDEVAcs1XJo0cC2g5vwi5CdiyghknBPI3GERRJtv+osgJYJL c/kWdEWJYP37AYO7DPDErmwNWblb9x3jlhBkcjFqjcMZDtFgFKBaWWC3Hafy+9P79aSQYONoyGcde uuPgZERvIoj4Aka6zXog==; 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 1h9tVN-0004bq-AO; Fri, 29 Mar 2019 15:33:17 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h9tVK-0004at-O1; Fri, 29 Mar 2019 15:33:16 +0000 X-UUID: 202a4b2250474d3e8ed826870ef875ab-20190329 X-UUID: 202a4b2250474d3e8ed826870ef875ab-20190329 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1443843720; Fri, 29 Mar 2019 07:33:02 -0800 Received: from MTKMBS01N1.mediatek.inc (172.21.101.68) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 29 Mar 2019 08:33:00 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 29 Mar 2019 23:32:52 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 29 Mar 2019 23:32:51 +0800 From: Stanley Chu To: , , , , , , , Subject: [PATCH 2/2] scsi: dt-bindings: ufs: Add VCC capability on MediaTek UFS driver Date: Fri, 29 Mar 2019 23:32:48 +0800 Message-ID: <1553873568-9177-3-git-send-email-stanley.chu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1553873568-9177-1-git-send-email-stanley.chu@mediatek.com> References: <1553873568-9177-1-git-send-email-stanley.chu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190329_083314_783212_C36AC083 X-CRM114-Status: UNSURE ( 9.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, evgreen@chromium.org, subhashj@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, vivek.gautam@codeaurora.org, matthias.bgg@gmail.com, sayalil@codeaurora.org, Stanley Chu , linux-arm-kernel@lists.infradead.org, beanhuo@micron.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add VCC supply for ufs-mediatek driver to provide power-saving operation during low-power modes, for example, VCC can be turned-off during system suspend and turned-on after system is resumed. Signed-off-by: Stanley Chu --- Documentation/devicetree/bindings/ufs/ufs-mediatek.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt b/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt index e25c007b95d7..72aab8547308 100644 --- a/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt +++ b/Documentation/devicetree/bindings/ufs/ufs-mediatek.txt @@ -21,6 +21,7 @@ Required properties for UFS nodes: defined or a value in the array is "0" then it is assumed that the frequency is set by the parent clock or a fixed rate clock source. +- vcc-supply : phandle to VCC supply regulator node. Example: @@ -37,4 +38,6 @@ Example: clocks = <&infracfg_ao INFRACFG_AO_UFS_CG>; clock-names = "ufs"; freq-table-hz = <0 0>; + + vcc-supply = <&mt_pmic_vemc_ldo_reg>; };