[PATCH v2 07/10] dt-bindings: dma: snps,dw-axi-dmac: Add UltraRISC DP1000 compatible
From: Jia Wang via B4 Relay <devnull+wangjia.ultrarisc.com@kernel.org>
Date: 2026-09-07 09:58:26
Also in:
b4-sent, linux-devicetree, linux-i2c, linux-riscv, linux-spi, lkml
Subsystem:
dma generic offload engine subsystem, open firmware and flattened device tree bindings, synopsys designware axi dmac driver, the rest · Maintainers:
Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Eugeniy Paltsev, Linus Torvalds
From: Jia Wang <wangjia@ultrarisc.com> The DP1000 integrates a DMA controller. Add its SoC-specific compatible with the generic fallback. Signed-off-by: Jia Wang <wangjia@ultrarisc.com> --- .../devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
index 0a30a455b0ee..bfd6d67a98e6 100644
--- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml
+++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml@@ -14,6 +14,27 @@ description: allOf: - $ref: dma-controller.yaml# + - if: + properties: + compatible: + contains: + const: ultrarisc,dp1000-axi-dma + then: + properties: + reg: + maxItems: 1 + interrupts: + minItems: 8 + dma-channels: + const: 8 + snps,dma-masters: + const: 1 + snps,data-width: + const: 4 + snps,priority: + minItems: 8 + snps,block-size: + minItems: 8 properties: compatible:
@@ -27,6 +48,7 @@ properties: - enum: - altr,agilex5-axi-dma - sophgo,cv1800b-axi-dma + - ultrarisc,dp1000-axi-dma - const: snps,axi-dma-1.01a reg:
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2.34.1