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[23.128.96.18]) by mx.google.com with ESMTP id g10si1596269ejf.344.2021.01.21.02.56.19; Thu, 21 Jan 2021 02:56:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729993AbhAUKxO (ORCPT + 99 others); Thu, 21 Jan 2021 05:53:14 -0500 Received: from mga06.intel.com ([134.134.136.31]:36491 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729738AbhAUKrn (ORCPT ); Thu, 21 Jan 2021 05:47:43 -0500 IronPort-SDR: dJlYdkoviniQfZG0vOXKPe2TeA6abCWWLjtIJ+xwq2x97saI9EFMEQYe0Y/Rqr3otydmuHnVvg D9M1OtuYEpcQ== X-IronPort-AV: E=McAfee;i="6000,8403,9870"; a="240790306" X-IronPort-AV: E=Sophos;i="5.79,363,1602572400"; d="scan'208";a="240790306" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2021 02:45:27 -0800 IronPort-SDR: uJw03nBVjMFQeal3VZt23f6J58s7ZV3WCtl4M7s4+cJuHFjRf9Kc2J1apcA71DUs2mMTAizAal iqUgcyb9e8zA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,363,1602572400"; d="scan'208";a="356417737" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by fmsmga008.fm.intel.com with ESMTP; 21 Jan 2021 02:45:24 -0800 From: Sia Jee Heng To: vkoul@kernel.org, Eugeniy.Paltsev@synopsys.com, robh+dt@kernel.org Cc: andriy.shevchenko@linux.intel.com, jee.heng.sia@intel.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v11 12/16] dmaengine: dw-axi-dmac: Add Intel KeemBay AxiDMA support Date: Thu, 21 Jan 2021 18:27:22 +0800 Message-Id: <20210121102726.22805-13-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210121102726.22805-1-jee.heng.sia@intel.com> References: <20210121102726.22805-1-jee.heng.sia@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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". Signed-off-by: Sia Jee Heng Reviewed-by: Andy Shevchenko Reviewed-by: Eugeniy Paltsev Tested-by: Eugeniy Paltsev --- 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); -- 2.18.0