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| author | Eugeniy Paltsev <eugeniy.paltsev@synopsys.com> | 2019-02-19 13:52:26 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-02-25 08:52:16 -0800 |
| commit | 5d4ab8d0960e399e85a55e659b11cfc86a03a776 (patch) | |
| tree | c98acab7e9306c6cb1f63936553d47e0b1f303c9 /arch/arc | |
| parent | 66f7d3709c431d37a0b7f2b59ed00fbf93de1f0d (diff) | |
| download | linux-5d4ab8d0960e399e85a55e659b11cfc86a03a776.tar.bz2 | |
ARC: [plat-hsdk]: Enable AXI DW DMAC support
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/boot/dts/hsdk.dts | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index b62088bf03a8..69bc1c9e8e50 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -167,6 +167,18 @@ #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"; @@ -239,6 +251,21 @@ reg = <0>; }; }; + + 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 { |