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Tue, 21 Jan 2020 02:21:47 -0800 Received: from xsj-pvapsmtp01 (mailman.xilinx.com [149.199.38.66]) by xsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id 00LALgTX001397; Tue, 21 Jan 2020 02:21:42 -0800 Received: from [172.23.64.106] (helo=xhdvnc125.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1itqfF-0003Pn-Qm; Tue, 21 Jan 2020 02:21:42 -0800 Received: by xhdvnc125.xilinx.com (Postfix, from userid 16987) id 0E4A6121DAE; Tue, 21 Jan 2020 15:51:41 +0530 (IST) From: Manish Narani To: michal.simek@xilinx.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, jolly.shah@xilinx.com, rajan.vaja@xilinx.com, nava.manne@xilinx.com, manish.narani@xilinx.com, tejas.patel@xilinx.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Subject: [PATCH 2/4] firmware: xilinx: Add DLL reset support Date: Tue, 21 Jan 2020 15:51:33 +0530 Message-Id: <1579602095-30060-3-git-send-email-manish.narani@xilinx.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1579602095-30060-1-git-send-email-manish.narani@xilinx.com> References: <1579602095-30060-1-git-send-email-manish.narani@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(346002)(39860400002)(136003)(376002)(396003)(199004)(189003)(26005)(336012)(8936002)(70206006)(70586007)(8676002)(2906002)(81156014)(5660300002)(186003)(81166006)(36756003)(4326008)(356004)(6666004)(478600001)(6636002)(6266002)(316002)(44832011)(42186006)(2616005)(426003);DIR:OUT;SFP:1101;SCL:1;SRVR:CH2PR02MB6055;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-83.xilinx.com;A:1;MX:1; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 20333428-a169-4a5c-fe38-08d79e5bbbdb X-MS-TrafficTypeDiagnostic: CH2PR02MB6055: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:792; X-Forefront-PRVS: 0289B6431E X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: +gS4WjdkwYMsoFD9+RTIPq2Hp8n0DFBXbEFRQCP95VMpTkZxJtRMVcTgu1dLmmahrKRizXJ/FhcwA6KNP3VWMu9IjA3N50pxwW8/tJp1rDn5q/PFXePjMg5lrU+7X3kQRMmpDNuE0+Ck6IvywZE15wut4cC6cDma9Aez3jfngJqAvHqxRv2DXEu+cfpe568c9kn5GSV/zDkG3pD6jiJCEf1HbTS/sQv5Tg4KI6tQwyhQZdUKSxcZaIWoe/W6vY4gv4RLHzkVqkmGnlGrYf6hCP9WahYZGuLApHV0EH3Q0RYvUY1eJdmrZEphjLotllMEe6UwHrDSE8FZuaidVJYKnnuskUS494T4iPNW63hlMeYCLHCJPBERrogLcI4/Oz2K97g63qEPh9rI4rCfOuEOGfqxjWhTFm+v+Riomc8R70nduJ1TdR2j2G9Cp2Oln+3q X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jan 2020 10:21:52.5892 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 20333428-a169-4a5c-fe38-08d79e5bbbdb X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR02MB6055 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org SD DLL resets are required for some of the operations on ZynqMP platform. Add DLL reset support in ZynqMP firmware driver for SD DLL reset. Signed-off-by: Manish Narani --- drivers/firmware/xilinx/zynqmp.c | 1 + include/linux/firmware/xlnx-zynqmp.h | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 89eb198cee5e..165ec0f1e10a 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -469,6 +469,7 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) static inline int zynqmp_is_valid_ioctl(u32 ioctl_id) { switch (ioctl_id) { + case IOCTL_SD_DLL_RESET: case IOCTL_SET_SD_TAPDELAY: case IOCTL_SET_PLL_FRAC_MODE: case IOCTL_GET_PLL_FRAC_MODE: diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index e41ad9e37136..01a6d972b8a8 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -92,7 +92,8 @@ enum pm_ret_status { }; enum pm_ioctl_id { - IOCTL_SET_SD_TAPDELAY = 7, + IOCTL_SD_DLL_RESET = 6, + IOCTL_SET_SD_TAPDELAY, IOCTL_SET_PLL_FRAC_MODE, IOCTL_GET_PLL_FRAC_MODE, IOCTL_SET_PLL_FRAC_DATA, @@ -262,6 +263,12 @@ enum tap_delay_type { PM_TAPDELAY_OUTPUT, }; +enum dll_reset_type { + PM_DLL_RESET_ASSERT, + PM_DLL_RESET_RELEASE, + PM_DLL_RESET_PULSE, +}; + /** * struct zynqmp_pm_query_data - PM query data * @qid: query ID -- 2.17.1