From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.7 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 52514C2BBCA for ; Fri, 11 Dec 2020 01:06:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2498423DE4 for ; Fri, 11 Dec 2020 01:06:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394488AbgLKBGF (ORCPT ); Thu, 10 Dec 2020 20:06:05 -0500 Received: from mga14.intel.com ([192.55.52.115]:12002 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394188AbgLKBFu (ORCPT ); Thu, 10 Dec 2020 20:05:50 -0500 IronPort-SDR: uN/21/OlnTPROcz513ri9mZMSRqg/5TkMqzjUu0hwQHdbu8kg/ZKEUwDspr9NlPxrwt/7AJMpC Gef7W3HXlxXw== X-IronPort-AV: E=McAfee;i="6000,8403,9831"; a="173596141" X-IronPort-AV: E=Sophos;i="5.78,409,1599548400"; d="scan'208";a="173596141" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2020 17:04:49 -0800 IronPort-SDR: Vtc8HmFPhiEM/1sNC/mbD0AYWjJ/dRI61TiXhp2lo5fXfRq19nC2lVLVECVNDay4KU/fpq/DbP Tt8r0pz9iWjw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,409,1599548400"; d="scan'208";a="320965863" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by fmsmga007.fm.intel.com with ESMTP; 10 Dec 2020 17:04:47 -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 v6 12/16] dmaengine: dw-axi-dmac: Add Intel KeemBay AxiDMA support Date: Fri, 11 Dec 2020 08:46:38 +0800 Message-Id: <20201211004642.25393-13-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201211004642.25393-1-jee.heng.sia@intel.com> References: <20201211004642.25393-1-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". 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 29323e75bc44..8135b827b47a 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