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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 2EA6EC2BA19 for ; Mon, 13 Apr 2020 11:18:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11EF520732 for ; Mon, 13 Apr 2020 11:18:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728096AbgDMLSb (ORCPT ); Mon, 13 Apr 2020 07:18:31 -0400 Received: from mga12.intel.com ([192.55.52.136]:47514 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728948AbgDMLSa (ORCPT ); Mon, 13 Apr 2020 07:18:30 -0400 IronPort-SDR: JedLTD9UjIEhwM0rkeAu4dHOny18CEKqp66vLPb/4YlEGhDpOarfmmlkZxsjvwmDNtbKSrXFQV 7dxbX5Tb9Ysg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Apr 2020 04:18:29 -0700 IronPort-SDR: +LvBag4iCOUcI2DxuieXL8EElgLgWbW6jhH3Vo0O404sMhyobw4UgL+e5yy3y++Joh9YNTj5Xy N/0ASkljcshA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,378,1580803200"; d="scan'208";a="287854660" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 13 Apr 2020 04:18:28 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 7263316B; Mon, 13 Apr 2020 14:18:27 +0300 (EEST) From: Andy Shevchenko To: Mika Westerberg , linux-gpio@vger.kernel.org, Linus Walleij Cc: Andy Shevchenko Subject: [PATCH v2 5/6] pinctrl: intel: Introduce new flag to force GPIO base to be 0 Date: Mon, 13 Apr 2020 14:18:24 +0300 Message-Id: <20200413111825.89866-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200413111825.89866-1-andriy.shevchenko@linux.intel.com> References: <20200413111825.89866-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org In some cases not the first group would like to have GPIO base to be 0. It's not possible right now due to 0 has special meaning already. Thus, introduce a new flag to allow drivers to force GPIO base to be 0 on a certain group. It's assumed that it can be only one group per device with such flag enabled. Signed-off-by: Andy Shevchenko --- v2: new patch drivers/pinctrl/intel/pinctrl-intel.c | 3 +++ drivers/pinctrl/intel/pinctrl-intel.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index a1b286dc7008..6a274e20d926 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -1281,6 +1281,9 @@ static int intel_pinctrl_add_padgroups(struct intel_pinctrl *pctrl, case INTEL_GPIO_BASE_MATCH: gpps[i].gpio_base = gpps[i].base; break; + case INTEL_GPIO_BASE_ZERO: + gpps[i].gpio_base = 0; + break; case INTEL_GPIO_BASE_NOMAP: default: break; diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h index 89f38fae6da7..87fc0555ef90 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.h +++ b/drivers/pinctrl/intel/pinctrl-intel.h @@ -70,10 +70,12 @@ struct intel_padgroup { /** * enum - Special treatment for GPIO base in pad group * + * @INTEL_GPIO_BASE_ZERO: force GPIO base to be 0 * @INTEL_GPIO_BASE_NOMAP: no GPIO mapping should be created * @INTEL_GPIO_BASE_MATCH: matches with starting pin number */ enum { + INTEL_GPIO_BASE_ZERO = -2, INTEL_GPIO_BASE_NOMAP = -1, INTEL_GPIO_BASE_MATCH = 0, }; -- 2.25.1