From patchwork Wed Jun 17 08:24:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amireddy Mallikarjuna reddy X-Patchwork-Id: 1311035 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49myp25rPbz9sSS for ; Wed, 17 Jun 2020 18:26:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725979AbgFQI0R (ORCPT ); Wed, 17 Jun 2020 04:26:17 -0400 Received: from mga07.intel.com ([134.134.136.100]:62189 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725846AbgFQI0R (ORCPT ); Wed, 17 Jun 2020 04:26:17 -0400 IronPort-SDR: b03ebYzJCKEwVtyUb5q0ZLgQ5xsZNGE+oWUptTa1kaGdN+dyxk/RX5LbpMXC9arnu69fM1t/xV c6jny6L4o4gA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jun 2020 01:26:16 -0700 IronPort-SDR: ClAgj9I4E/Zpn+F9GR6itX/rnw6INr5SQdLLl1eQalKV6+L1d4WJy+w7M8rd56H1uEBstktx0G GHpO3Hj9hGIw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,522,1583222400"; d="scan'208";a="421061631" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by orsmga004.jf.intel.com with ESMTP; 17 Jun 2020 01:26:13 -0700 From: Amireddy Mallikarjuna reddy To: dmaengine@vger.kernel.org, vkoul@kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org Cc: linux-kernel@vger.kernel.org, andriy.shevchenko@intel.com, chuanhua.lei@linux.intel.com, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, malliamireddy009@gmail.com, Amireddy Mallikarjuna reddy Subject: [PATCH v2 0/2] Add Intel LGM soc DMA support Date: Wed, 17 Jun 2020 16:24:28 +0800 Message-Id: X-Mailer: git-send-email 2.11.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add DMA controller driver for Lightning Mountain(LGM) family of SoCs. The main function of the DMA controller is the transfer of data from/to any DPlus compliant peripheral to/from the memory. A memory to memory copy capability can also be configured. This ldma driver is used for configure the device and channnels for data and control paths. These controllers provide DMA capabilities for a variety of on-chip devices such as SSC, HSNAND and GSWIP. ------------- Future Plans: ------------- LGM SOC also supports Hardware Memory Copy engine. The role of the HW Memory copy engine is to offload memory copy operations from the CPU. Amireddy Mallikarjuna reddy (2): dt-bindings: dma: Add bindings for intel LGM SOC Add Intel LGM soc DMA support. .../devicetree/bindings/dma/intel,ldma.yaml | 428 +++++ drivers/dma/Kconfig | 2 + drivers/dma/Makefile | 1 + drivers/dma/lgm/Kconfig | 9 + drivers/dma/lgm/Makefile | 2 + drivers/dma/lgm/lgm-dma.c | 1956 ++++++++++++++++++++ include/linux/dma/lgm_dma.h | 27 + 7 files changed, 2425 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/intel,ldma.yaml create mode 100644 drivers/dma/lgm/Kconfig create mode 100644 drivers/dma/lgm/Makefile create mode 100644 drivers/dma/lgm/lgm-dma.c create mode 100644 include/linux/dma/lgm_dma.h base-commit: b3a9e3b9622ae10064826dccb4f7a52bd88c7407