From patchwork Tue Dec 29 04:47:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sia, Jee Heng" X-Patchwork-Id: 355367 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 87CEFC43217 for ; Tue, 29 Dec 2020 05:06:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5EA47208BA for ; Tue, 29 Dec 2020 05:06:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726673AbgL2FFx (ORCPT ); Tue, 29 Dec 2020 00:05:53 -0500 Received: from mga03.intel.com ([134.134.136.65]:37338 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726060AbgL2FFw (ORCPT ); Tue, 29 Dec 2020 00:05:52 -0500 IronPort-SDR: oypDRIg4JxnHCBG4Y1BebrbLf+WAYpypSaq/HSNfw1KeiOP7XhxI8zBTBNprvUQPfX9KgYN4E/ DWem+k6nqtTQ== X-IronPort-AV: E=McAfee;i="6000,8403,9848"; a="176554721" X-IronPort-AV: E=Sophos;i="5.78,457,1599548400"; d="scan'208";a="176554721" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Dec 2020 21:04:45 -0800 IronPort-SDR: Ec1Nc1M7HYnWj2n1jpAyL5+InyV19bXyun3LITLsP/oloNXn27x85HiPnJ9xUxC3JDCt3MtycE GGQvTPoTWdYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,457,1599548400"; d="scan'208";a="347249822" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by fmsmga008.fm.intel.com with ESMTP; 28 Dec 2020 21:04:42 -0800 From: Sia Jee Heng To: vkoul@kernel.org, Eugeniy.Paltsev@synopsys.com, robh+dt@kernel.org Cc: andriy.shevchenko@linux.intel.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v8 12/16] dmaengine: dw-axi-dmac: Add Intel KeemBay AxiDMA support Date: Tue, 29 Dec 2020 12:47:09 +0800 Message-Id: <20201229044713.28464-13-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201229044713.28464-1-jee.heng.sia@intel.com> References: <20201229044713.28464-1-jee.heng.sia@intel.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for Intel KeemBay AxiDMA to the .compatible field. The AxiDMA Apb region will be accessible if the compatible string matches the "intel,kmb-axi-dma". Reviewed-by: Andy Shevchenko Signed-off-by: Sia Jee Heng --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 830d3de76abd..062d27c61983 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -1160,6 +1160,7 @@ static int parse_device_properties(struct axi_dma_chip *chip) static int dw_probe(struct platform_device *pdev) { + struct device_node *node = pdev->dev.of_node; struct axi_dma_chip *chip; struct resource *mem; struct dw_axi_dma *dw; @@ -1192,6 +1193,12 @@ static int dw_probe(struct platform_device *pdev) if (IS_ERR(chip->regs)) return PTR_ERR(chip->regs); + if (of_device_is_compatible(node, "intel,kmb-axi-dma")) { + chip->apb_regs = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(chip->apb_regs)) + return PTR_ERR(chip->apb_regs); + } + chip->core_clk = devm_clk_get(chip->dev, "core-clk"); if (IS_ERR(chip->core_clk)) return PTR_ERR(chip->core_clk); @@ -1336,6 +1343,7 @@ static const struct dev_pm_ops dw_axi_dma_pm_ops = { static const struct of_device_id dw_dma_of_id_table[] = { { .compatible = "snps,axi-dma-1.01a" }, + { .compatible = "intel,kmb-axi-dma" }, {} }; MODULE_DEVICE_TABLE(of, dw_dma_of_id_table);