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ARCv3: Add CDMA support driver #138

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ARCv3: Add CDMA support driver #138

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7 changes: 7 additions & 0 deletions arch/arc/boot/dts/skeleton_haps_idu.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -68,5 +68,12 @@
#interrupt-cells = <1>;
interrupts = <23>;
};

cdma: custer_dma {
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YAML bindings are missing.

compatible = "snps,cluster-dma-1.0";
#interrupt-cells = <1>;
interrupts = <21>;
cdma-max-desc-len = <0x1FFFF>;
};
};
};
9 changes: 9 additions & 0 deletions drivers/dma/Kconfig
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Expand Up @@ -181,6 +181,15 @@ config DW_AXI_DMAC
NOTE: This driver wasn't tested on 64 bit platform because
of lack 64 bit platform with Synopsys DW AXI DMAC.

config DW_CDMA
tristate "Synopsys DesignWare ARC HS Hammerhead Cluster DMA driver"
depends on OF || COMPILE_TEST
depends on HAS_IOMEM
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS
help
Enable support for Synopsys DesignWare Cluster DMA.

config EP93XX_DMA
bool "Cirrus Logic EP93xx DMA support"
depends on ARCH_EP93XX || COMPILE_TEST
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1 change: 1 addition & 0 deletions drivers/dma/Makefile
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Expand Up @@ -27,6 +27,7 @@ obj-$(CONFIG_DMA_SA11X0) += sa11x0-dma.o
obj-$(CONFIG_DMA_SUN4I) += sun4i-dma.o
obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o
obj-$(CONFIG_DW_AXI_DMAC) += dw-axi-dmac/
obj-$(CONFIG_DW_CDMA) += dw-cdma/
obj-$(CONFIG_DW_DMAC_CORE) += dw/
obj-$(CONFIG_DW_EDMA) += dw-edma/
obj-$(CONFIG_EP93XX_DMA) += ep93xx_dma.o
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2 changes: 2 additions & 0 deletions drivers/dma/dw-cdma/Makefile
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@@ -0,0 +1,2 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_DW_CDMA) += dw-cdma-platform.o
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