From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8415BCA9EA0 for ; Fri, 25 Oct 2019 07:55:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5ABE72070B for ; Fri, 25 Oct 2019 07:55:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437436AbfJYHzp (ORCPT ); Fri, 25 Oct 2019 03:55:45 -0400 Received: from mga02.intel.com ([134.134.136.20]:50101 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437406AbfJYHzp (ORCPT ); Fri, 25 Oct 2019 03:55:45 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Oct 2019 00:55:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,227,1569308400"; d="scan'208";a="188853263" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by orsmga007.jf.intel.com with ESMTP; 25 Oct 2019 00:55:41 -0700 Received: from andy by smile with local (Exim 4.92.2) (envelope-from ) id 1iNuRg-0001jo-Ru; Fri, 25 Oct 2019 10:55:40 +0300 Date: Fri, 25 Oct 2019 10:55:40 +0300 From: Andy Shevchenko To: Andrey Zhizhikin , Hans de Goede , Adrian Hunter Cc: lgirdwood@gmail.com, broonie@kernel.org, lee.jones@linaro.org, linux-kernel@vger.kernel.org, Andrey Zhizhikin Subject: Re: [PATCH 0/2] add regulator driver and mfd cell for Intel Cherry Trail Whiskey Cove PMIC Message-ID: <20191025075540.GD32742@smile.fi.intel.com> References: <20191024142939.25920-1-andrey.zhizhikin@leica-geosystems.com> <20191025075335.GC32742@smile.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191025075335.GC32742@smile.fi.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 25, 2019 at 10:53:35AM +0300, Andy Shevchenko wrote: > On Thu, Oct 24, 2019 at 02:29:37PM +0000, Andrey Zhizhikin wrote: > > This patchset introduces additional regulator driver for Intel Cherry > > Trail Whiskey Cove PMIC. It also adds a cell in mfd driver for this > > PMIC, which is used to instantiate this regulator. > > > > Regulator support for this PMIC was present in kernel release from Intel > > targeted Aero platform, but was not entirely ported upstream and has > > been omitted in mainline kernel releases. Consecutively, absence of > > regulator caused the SD Card interface not to be provided with Vqcc > > voltage source needed to operate with UHS-I cards. > > > > Following patches are addessing this issue and making sd card interface > > to be fully operable with UHS-I cards. Regulator driver lists an ACPI id > > of the SD Card interface in consumers and exposes optional "vqmmc" > > voltage source, which mmc driver uses to switch signalling voltages > > between 1.8V and 3.3V. > > > > This set contains of 2 patches: one is implementing the regulator driver > > (based on a non upstreamed version from Intel Aero), and another patch > > registers this driver as mfd cell in exising Whiskey Cove PMIC driver. > > Thank you. > Hans, Cc'ed, has quite interested in these kind of patches. > Am I right, Hans? Since it's about UHS/SD, Cc to Adrian as well. -- With Best Regards, Andy Shevchenko