[PATCH v2 6/8] riscv: dts: spacemit: Add PDMA0 node for K1 SoC
Guodong Xu
guodong at riscstar.com
Mon Jun 30 22:37:00 PDT 2025
Add PDMA0 dma-controller node under dma_bus for SpacemiT K1 SoC.
The PDMA0 node is marked as disabled by default, allowing board-specific
device trees to enable it as needed.
Signed-off-by: Guodong Xu <guodong at riscstar.com>
---
v2:
- Updated the compatible string.
- Rebased. Part of the changes in v1 is now in this patchset:
- "riscv: dts: spacemit: Add DMA translation buses for K1"
- Link: https://lore.kernel.org/all/20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn/
---
arch/riscv/boot/dts/spacemit/k1.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 8f44c1458123be9e74a80878517b2b785d743bef..69e0b1edf3276df26c07c15d81607f83de0e5d57 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -591,6 +591,17 @@ uart9: serial at d4017800 {
status = "disabled";
};
+ pdma0: dma-controller at d4000000 {
+ compatible = "spacemit,k1-pdma";
+ reg = <0x0 0xd4000000 0x0 0x4000>;
+ interrupts = <72>;
+ clocks = <&syscon_apmu CLK_DMA>;
+ resets = <&syscon_apmu RESET_DMA>;
+ #dma-cells= <2>;
+ #dma-channels = <16>;
+ status = "disabled";
+ };
+
sec_uart1: serial at f0612000 {
compatible = "spacemit,k1-uart",
"intel,xscale-uart";
--
2.43.0
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