From patchwork Mon Jul 31 09:50:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Potthuri, Sai Krishna" X-Patchwork-Id: 709010 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C019DC001DF for ; Mon, 31 Jul 2023 09:51:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231863AbjGaJvl (ORCPT ); Mon, 31 Jul 2023 05:51:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229613AbjGaJvU (ORCPT ); Mon, 31 Jul 2023 05:51:20 -0400 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2082.outbound.protection.outlook.com [40.107.93.82]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7899AE7C; Mon, 31 Jul 2023 02:50:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=L5Pvy7VMDcOdl55ifHSnHa8EpSfR66BmMJNcQUyWyH1IkhlcIH/tFoEW//yKZ7czqFWUpyrEGbjL0sjbCgqvxitq1khx55FPBFbsoUu9gLYbOGSgPIEEg4/Ja8itx4R0H//whOjbKQK0N2woVh4XjCTOEDmCcou+bWkVgBBrFc5/QYObJoCiuH21XUbKctBa3QJUtnXkx2lKx8FlR4DebUKwCGu/NQLJM/J31xkR4Ol0fZIKM98dQTQs6cMXEInCiIXFXQwtNF3rJQ2qXvVYQNcuMbQ0cVfhQ8nhV/UvpcLExc8y05xeahuVGSex8gv1flyJeNr+y1/LemP4w33kOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=L5a6QEmM2KX38lNQl1P6r/u3Q9DZVE0Zv8YABYsrNro=; b=I52/IW+mlhl55U3K7q9W5MB0YYzhnOXjCbLvNiLayoCyRFOQ49ZZunQG86tzCX8BDsoqfjDtXJK5e9XH8NEUfVTh/4BlyZEo4NbLOFJdHzFd0YDmBU2CsMvaJ7Xqg88GXoTKysW5HdOqPp2WfdYOkT1UxBszDT1ewnVUQipglPj2yYz4txls85s2HjH08TSn4z5uFGnMagMSvIryOB9YCXerEKnAMapFPN9+9UrrJneI3G0jmaSy9qkj5jQ/nvi1VVf5u3hx9CsUFn/pIYI6n6aJ4ip0NU8CUIpn/S7r+6CEvJCZWX+RdIgSu2ZcVj1znP7w/6zPKWGubGdf/l77ew== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=linaro.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=L5a6QEmM2KX38lNQl1P6r/u3Q9DZVE0Zv8YABYsrNro=; b=0n8kVXNUcWA/wd8vfCZIrGC4CKwzpDCeTI1Lqelv1uf3ScuFeGbU5XJZ42VbZPpmIPtJHtWoXrmFsg6ReDlGqEYV0S6REAJH8+LXF4yoqkDD706pr/lAfbtONB3qNKVrMTYgDW7Wbmz2zPot0ijHHTjKOWficz0hm/8sX6ifnOU= Received: from BYAPR03CA0028.namprd03.prod.outlook.com (2603:10b6:a02:a8::41) by PH7PR12MB9067.namprd12.prod.outlook.com (2603:10b6:510:1f5::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6631.42; Mon, 31 Jul 2023 09:50:52 +0000 Received: from CO1NAM11FT041.eop-nam11.prod.protection.outlook.com (2603:10b6:a02:a8:cafe::53) by BYAPR03CA0028.outlook.office365.com (2603:10b6:a02:a8::41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6631.44 via Frontend Transport; Mon, 31 Jul 2023 09:50:52 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT041.mail.protection.outlook.com (10.13.174.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6631.44 via Frontend Transport; Mon, 31 Jul 2023 09:50:52 +0000 Received: from SATLEXMB05.amd.com (10.181.40.146) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 31 Jul 2023 04:50:51 -0500 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 31 Jul 2023 04:50:51 -0500 Received: from xhdlakshmis40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.27 via Frontend Transport; Mon, 31 Jul 2023 04:50:46 -0500 From: Sai Krishna Potthuri To: Linus Walleij , Michal Simek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mathieu Poirier , Tanmay Shah , Ben Levinsky , Marek Vasut , Roman Gushchin , Arnd Bergmann CC: , , , , , , Sai Krishna Potthuri Subject: [PATCH v3 4/4] pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high impedance Date: Mon, 31 Jul 2023 15:20:26 +0530 Message-ID: <20230731095026.3766675-5-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230731095026.3766675-1-sai.krishna.potthuri@amd.com> References: <20230731095026.3766675-1-sai.krishna.potthuri@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT041:EE_|PH7PR12MB9067:EE_ X-MS-Office365-Filtering-Correlation-Id: aa069868-fed7-43da-a2cb-08db91aba0d7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230028)(4636009)(376002)(136003)(346002)(39860400002)(396003)(82310400008)(451199021)(36840700001)(46966006)(40470700004)(356005)(921005)(81166007)(82740400003)(40480700001)(86362001)(36756003)(103116003)(40460700003)(478600001)(6666004)(2616005)(336012)(186003)(1076003)(26005)(8676002)(8936002)(7416002)(5660300002)(70586007)(4326008)(70206006)(2906002)(54906003)(110136005)(41300700001)(316002)(36860700001)(426003)(83380400001)(47076005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Jul 2023 09:50:52.5572 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: aa069868-fed7-43da-a2cb-08db91aba0d7 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT041.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB9067 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add support to handle 'output-enable' and 'bias-high-impedance' configurations. Using these pinctrl properties observed hang issues with older PMUFW(Xilinx ZynqMP Platform Management Firmware), hence reverted the patch. Commit 9989bc33c4894e075167 ("Revert "pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance""). Support for configuring these properties added in PMUFW Configuration Set version 2.0. When there is a request for these configurations from pinctrl driver for ZynqMP platform, xilinx firmware driver checks for this version before configuring these properties to avoid the hang issue and proceeds further only when firmware version is >=2 otherwise it returns error. Signed-off-by: Sai Krishna Potthuri --- drivers/pinctrl/pinctrl-zynqmp.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index 8d2cb0999f2f..f2be341f73e1 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -415,6 +415,10 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_ENABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; case PIN_CONFIG_MODE_LOW_POWER: /* * These cases are mentioned in dts but configurable @@ -423,6 +427,11 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, */ ret = 0; break; + case PIN_CONFIG_OUTPUT_ENABLE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_DISABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; default: dev_warn(pctldev->dev, "unsupported configuration parameter '%u'\n",