[PATCH] riscv: dts: sophgo: cv18xx: add DMA controller

Inochi Amaoto inochiama at outlook.com
Fri Apr 12 01:33:32 PDT 2024


Add DMA controller dt node for CV18XX/SG200x.

Signed-off-by: Inochi Amaoto <inochiama at outlook.com>
---
 arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index b726871e6af8..7d96c4ddc1e6 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -195,6 +195,22 @@ uart4: serial at 41c0000 {
 			status = "disabled";
 		};

+		dmac: dma-controller at 4330000 {
+			compatible = "snps,axi-dma-1.01a";
+			reg = <0x04330000 0x1000>;
+			interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk CLK_SDMA_AXI>, <&clk CLK_SDMA_AXI>;
+			clock-names = "core-clk", "cfgr-clk";
+			#dma-cells = <1>;
+			dma-channels = <8>;
+			snps,block-size = <1024 1024 1024 1024
+					   1024 1024 1024 1024>;
+			snps,priority = <0 1 2 3 4 5 6 7>;
+			snps,dma-masters = <2>;
+			snps,data-width = <4>;
+			status = "disabled";
+		};
+
 		plic: interrupt-controller at 70000000 {
 			reg = <0x70000000 0x4000000>;
 			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
--
2.44.0




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