From patchwork Wed Jan 28 18:15:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 5728921 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4FE33BF440 for ; Wed, 28 Jan 2015 18:19:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 953CC202EC for ; Wed, 28 Jan 2015 18:19:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C4A16202E9 for ; Wed, 28 Jan 2015 18:19:16 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YGXBH-0000pD-MJ; Wed, 28 Jan 2015 18:17:35 +0000 Received: from bhuna.collabora.co.uk ([93.93.135.160]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YGXAX-0000Fg-41 for linux-arm-kernel@lists.infradead.org; Wed, 28 Jan 2015 18:16:49 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id 726BC600EDF From: Javier Martinez Canillas To: Ulf Hansson Subject: [PATCH v2 3/6] mmc: pwrseq: Document optional clock for the simple power sequence Date: Wed, 28 Jan 2015 19:15:50 +0100 Message-Id: <1422468953-7594-4-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1422468953-7594-1-git-send-email-javier.martinez@collabora.co.uk> References: <1422468953-7594-1-git-send-email-javier.martinez@collabora.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150128_101649_320574_0F0E3E94 X-CRM114-Status: UNSURE ( 8.48 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, Doug Anderson , linux-kernel@vger.kernel.org, Arend van Spriel , Kukjin Kim , Srinivas Kandagatla , Olof Johansson , Javier Martinez Canillas , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Some WLAN chips attached to a SDIO interface, need an external clock to be operational. Since this is very common, extend the simple MMC power sequence DT binding to support an optional clock. Signed-off-by: Javier Martinez Canillas --- Changes since v1: None. --- Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt index eaae652213ae..a462c50f19a8 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt +++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt @@ -12,6 +12,10 @@ Optional properties: at initialization and prior we start the power up procedure of the card. They will be de-asserted right after the power has been provided to the card. +- clocks : Must contain an entry for the entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entry: + "ext_clock" (External clock provided to the card). Example: