Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx> --- NOTE: Even if this patch have no logical dependency with gpu-enabling-patch (http://patchwork.ozlabs.org/patch/1034722/) gpu-enabling-patch should be applied first to avoid rebasing. arch/arc/boot/dts/hsdk.dts | 27 +++++++++++++++++++++++++++ arch/arc/configs/hsdk_defconfig | 2 ++ 2 files changed, 29 insertions(+) diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index a26b3f532f32..46a6e1080b38 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -185,6 +185,18 @@ #clock-cells = <0>; }; + dmac_core_clk: dmac-core-clk { + compatible = "fixed-clock"; + clock-frequency = <400000000>; + #clock-cells = <0>; + }; + + dmac_cfg_clk: dmac-gpu-cfg-clk { + compatible = "fixed-clock"; + clock-frequency = <200000000>; + #clock-cells = <0>; + }; + gmac: ethernet@8000 { #interrupt-cells = <1>; compatible = "snps,dwmac"; @@ -268,6 +280,21 @@ clock-names = "bus", "reg", "core", "shader"; interrupts = <28>; }; + + dmac: dmac@80000 { + compatible = "snps,axi-dma-1.01a"; + reg = <0x80000 0x400>; + interrupts = <27>; + clocks = <&dmac_core_clk>, <&dmac_cfg_clk>; + clock-names = "core-clk", "cfgr-clk"; + + dma-channels = <4>; + snps,dma-masters = <2>; + snps,data-width = <3>; + snps,block-size = <4096 4096 4096 4096>; + snps,priority = <0 1 2 3>; + snps,axi-max-burst-len = <16>; + }; }; memory@80000000 { diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig index 915e1cca31f8..5f1c772cb2fd 100644 --- a/arch/arc/configs/hsdk_defconfig +++ b/arch/arc/configs/hsdk_defconfig @@ -64,6 +64,8 @@ CONFIG_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_DW=y +CONFIG_DMADEVICES=y +CONFIG_DW_AXI_DMAC=y CONFIG_EXT3_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y -- 2.14.5 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc
