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ARC: [plat-hsdk]: Enable AXI DW DMAC support

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Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2019-02-19 13:52:26 +03:00 committed by Vineet Gupta
parent 66f7d3709c
commit 5d4ab8d096
1 changed files with 27 additions and 0 deletions
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27
arch/arc/boot/dts/hsdk.dts
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@ -167,6 +167,18 @@ mmcclk_biu: mmcclk-biu {
#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 @@ gpio_port_a: gpio-controller@0 {
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 {