From patchwork Thu Jan 29 15:00:05 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: 5743071 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 955BD9F399 for ; Thu, 29 Jan 2015 15:02:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C940C20251 for ; Thu, 29 Jan 2015 15:02:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D87982024D for ; Thu, 29 Jan 2015 15:02:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754075AbbA2PAb (ORCPT ); Thu, 29 Jan 2015 10:00:31 -0500 Received: from bhuna.collabora.co.uk ([93.93.135.160]:47382 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754030AbbA2PA3 (ORCPT ); Thu, 29 Jan 2015 10:00:29 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id CE292600812 From: Javier Martinez Canillas To: Ulf Hansson Cc: Kukjin Kim , Doug Anderson , Olof Johansson , Arend van Spriel , Srinivas Kandagatla , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas Subject: [PATCH v3 3/6] mmc: pwrseq: Document optional clock for the simple power sequence Date: Thu, 29 Jan 2015 16:00:05 +0100 Message-Id: <1422543608-24704-4-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1422543608-24704-1-git-send-email-javier.martinez@collabora.co.uk> References: <1422543608-24704-1-git-send-email-javier.martinez@collabora.co.uk> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 v2: None. 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: