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riscv: dts: sophgo: sg2044: add DMA controller device

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The DMA controller of SG2044 is a standard Synopsys IP, which is
already supported by the kernel.

Add DMA controller DT node for SG2044.

Link: https://lore.kernel.org/r/20250608232836.784737-6-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
This commit is contained in:
Inochi Amaoto 2025-06-09 07:28:29 +08:00
parent 11350d2f88
commit f88aa1f14c
1 changed files with 20 additions and 0 deletions
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20
arch/riscv/boot/dts/sophgo/sg2044.dtsi
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@ -31,6 +31,26 @@
#size-cells = <2>;
ranges;
dmac0: dma-controller@7020000000 {
compatible = "snps,axi-dma-1.01a";
reg = <0x70 0x20000000 0x0 0x10000>;
#dma-cells = <1>;
clock-names = "core-clk", "cfgr-clk";
clocks = <&clk CLK_GATE_SYSDMA_AXI>,
<&clk CLK_GATE_SYSDMA_AXI>;
dma-noncoherent;
interrupt-parent = <&intc>;
interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
dma-channels = <8>;
snps,priority = <0 1 2 3 4 5 6 7>;
snps,block-size = <4096 4096 4096 4096
4096 4096 4096 4096>;
snps,dma-masters = <2>;
snps,data-width = <2>;
snps,axi-max-burst-len = <4>;
status = "disabled";
};
uart0: serial@7030000000 {
compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
reg = <0x70 0x30000000 0x0 0x1000>;