Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754021AbbLDTWS (ORCPT ); Fri, 4 Dec 2015 14:22:18 -0500 Received: from us01smtprelay-2.synopsys.com ([198.182.60.111]:51472 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752744AbbLDTWR (ORCPT ); Fri, 4 Dec 2015 14:22:17 -0500 From: Alexey Brodkin To: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Nelson Pereira , Vineet Gupta , Alexey Brodkin Subject: [PATCH] ARC: [axs10x] enable DW DMA controller Date: Fri, 4 Dec 2015 22:22:06 +0300 Message-Id: <1449256926-16786-1-git-send-email-abrodkin@synopsys.com> X-Mailer: git-send-email 2.4.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2970 Lines: 101 From: Nelson Pereira ARC SDP baseboard among other peripherals sports DesignWare DMA controller. This enables support of that device. Note typically DW DMA controller is used with external devices connected to ARC SDP board via HAPS Extension bus. Signed-off-by: Nelson Pereira Cc: Vineet Gupta Signed-off-by: Alexey Brodkin --- arch/arc/boot/dts/axs10x_mb.dtsi | 16 ++++++++++++++++ arch/arc/configs/axs101_defconfig | 5 +++++ arch/arc/configs/axs103_defconfig | 5 +++++ arch/arc/configs/axs103_smp_defconfig | 5 +++++ 4 files changed, 31 insertions(+) diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi index f3db321..1e57580 100644 --- a/arch/arc/boot/dts/axs10x_mb.dtsi +++ b/arch/arc/boot/dts/axs10x_mb.dtsi @@ -220,5 +220,21 @@ reg = <2>; }; }; + + dmac: dmac@0x80000 { + compatible = "snps,dma-spear1340"; + reg = <0x80000 0x1000>; + interrupts = <9>; + dma-channels = <4>; + dma-requests = <16>; + dma-masters = <2>; + #dma-cells = <3>; + chan_allocation_order = <1>; + chan_priority = <1>; + block_size = <0xfff>; + data_width = <3 3>; + clocks = <&apbclk>; + clock-names = "hclk"; + }; }; }; diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig index 562dac6..405474f 100644 --- a/arch/arc/configs/axs101_defconfig +++ b/arch/arc/configs/axs101_defconfig @@ -90,6 +90,11 @@ CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y CONFIG_MMC_DW_IDMAC=y +CONFIG_DMADEVICES=y +CONFIG_DW_DMAC_CORE=y +CONFIG_DW_DMAC=y +CONFIG_DMA_ENGINE=y +CONFIG_DMA_OF=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT3_FS=y CONFIG_EXT4_FS=y diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig index 83a6d8d..570f06f 100644 --- a/arch/arc/configs/axs103_defconfig +++ b/arch/arc/configs/axs103_defconfig @@ -96,6 +96,11 @@ CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y CONFIG_MMC_DW_IDMAC=y +CONFIG_DMADEVICES=y +CONFIG_DW_DMAC_CORE=y +CONFIG_DW_DMAC=y +CONFIG_DMA_ENGINE=y +CONFIG_DMA_OF=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT3_FS=y CONFIG_EXT4_FS=y diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig index f1e1c84..16cfce8 100644 --- a/arch/arc/configs/axs103_smp_defconfig +++ b/arch/arc/configs/axs103_smp_defconfig @@ -97,6 +97,11 @@ CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y CONFIG_MMC_DW_IDMAC=y +CONFIG_DMADEVICES=y +CONFIG_DW_DMAC_CORE=y +CONFIG_DW_DMAC=y +CONFIG_DMA_ENGINE=y +CONFIG_DMA_OF=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT3_FS=y CONFIG_EXT4_FS=y -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/