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riscv: dts: spacemit: Add PDMA node for K1 SoC

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Add PDMA dma-controller node under dma_bus for SpacemiT K1 SoC.

The PDMA node is marked as disabled by default, allowing board-specific
device trees to enable it as needed.

Signed-off-by: Guodong Xu <guodong@riscstar.com>
Reviewed-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Link: https://lore.kernel.org/r/20250822-working_dma_0701_v2-v5-6-f5c0eda734cc@riscstar.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
This commit is contained in:
Guodong Xu 2025-08-22 11:06:32 +08:00 committed by Yixun Lan
parent eba84c94f9
commit 81d79ad0dd
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1 changed files with 11 additions and 0 deletions
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11
arch/riscv/boot/dts/spacemit/k1.dtsi
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@ -660,6 +660,17 @@ dma-bus {
dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>,
<0x1 0x00000000 0x1 0x80000000 0x3 0x00000000>;
pdma: dma-controller@d4000000 {
compatible = "spacemit,k1-pdma";
reg = <0x0 0xd4000000 0x0 0x4000>;
clocks = <&syscon_apmu CLK_DMA>;
resets = <&syscon_apmu RESET_DMA>;
interrupts = <72>;
dma-channels = <16>;
#dma-cells= <1>;
status = "disabled";
};
uart0: serial@d4017000 {
compatible = "spacemit,k1-uart",
"intel,xscale-uart";