From patchwork Fri Aug 14 05:26:08 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: 1344622 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=fail (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 4BSX3f0R7yz9sR4 for ; Fri, 14 Aug 2020 15:26:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726064AbgHNF0T (ORCPT ); Fri, 14 Aug 2020 01:26:19 -0400 Received: from mga01.intel.com ([192.55.52.88]:55320 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726006AbgHNF0T (ORCPT ); Fri, 14 Aug 2020 01:26:19 -0400 IronPort-SDR: Iwt1zagFxcft1F42k4+W7zDW6nqCmZcAV8V5sqrDYOZYDXMhc+7shhHEnzFTyZ5r+UQSF4p+ur cWJUMFX9dyzw== X-IronPort-AV: E=McAfee;i="6000,8403,9712"; a="172407432" X-IronPort-AV: E=Sophos;i="5.76,311,1592895600"; d="scan'208";a="172407432" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2020 22:26:18 -0700 IronPort-SDR: I1UZJv6Mw/hmmkU8I2qKAU6YkZWvIpCuZwUZ0y8MTAQd2PZY/ks4gs5DqTRlOXM259S3MBMNKc x2G3Q6Y0EKyA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,311,1592895600"; d="scan'208";a="277042360" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by fmsmga007.fm.intel.com with ESMTP; 13 Aug 2020 22:26:16 -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, cheol.yong.kim@intel.com, qi-ming.wu@intel.com, chuanhua.lei@linux.intel.com, mallikarjunax.reddy@linux.intel.com, malliamireddy009@gmail.com Subject: [PATCH v5 0/2] Add Intel LGM soc DMA support Date: Fri, 14 Aug 2020 13:26:08 +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 | 319 ++++ drivers/dma/Kconfig | 2 + drivers/dma/Makefile | 1 + drivers/dma/lgm/Kconfig | 9 + drivers/dma/lgm/Makefile | 2 + drivers/dma/lgm/lgm-dma.c | 1944 ++++++++++++++++++++ include/linux/dma/lgm_dma.h | 27 + 7 files changed, 2304 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