From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934387AbbA1Urt (ORCPT ); Wed, 28 Jan 2015 15:47:49 -0500 Received: from bhuna.collabora.co.uk ([93.93.135.160]:46226 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934266AbbA1Url (ORCPT ); Wed, 28 Jan 2015 15:47:41 -0500 From: Javier Martinez Canillas To: Ulf Hansson Cc: Kukjin Kim , Doug Anderson , Olof Johansson , 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 0/5] Add multiple GPIO and external clock to MMC pwrseq_simple Date: Wed, 28 Jan 2015 11:10:14 +0100 Message-Id: <1422439819-29854-1-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Ulf, Many WLAN chips attached to an SDIO interface needs more than one GPIO for their reset sequence and also need an external clock to be operational. Since this is very common, this series extend the simple MMC power sequence to support more than one reset GPIO and also an optional external clock. The series depend on v4 "mmc: core: Add support for MMC power sequences": http://comments.gmane.org/gmane.linux.kernel.mmc/30665 Javier Martinez Canillas (5): mmc: pwrseq: Document that simple sequence support more than one GPIO mmc: pwrseq_simple: Extend to support more pins mmc: pwrseq: Document optional clock for the simple power sequence mmc: pwrseq_simple: Add optional reference clock support ARM: dts: exynos5250-snow: Enable wifi power-on .../devicetree/bindings/mmc/mmc-pwrseq-simple.txt | 10 ++- arch/arm/boot/dts/exynos5250-snow.dts | 25 ++++++- drivers/mmc/core/pwrseq_simple.c | 85 ++++++++++++++++++---- 3 files changed, 103 insertions(+), 17 deletions(-) Patch #1 extends the simple MMC power sequence DT binding to support more than one GPIO and patch #2 adds the actual implementation. In the same way, patch #3 and #4 extend the simple MMC power sequence DT binding and pwrseq_simple driver to support an optional external clock. Finally as an example, patch #5 adds support for the wifi chip in the Exynos5250 Snow that is attached to a SDIO interface and needs all these. Best regards, Javier