Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Walker Chen <> | Subject | [PATCH v4 1/3] dt-bindings: dma: snps,dw-axi-dmac: constrain resets items for JH7110 dma | Date | Mon, 6 Mar 2023 22:04:28 +0800 |
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The DMA controller needs two reset items to work properly on JH7110 SoC, so there is need to constrain the items' value to 2, other platforms have 1 reset item at most.
Signed-off-by: Walker Chen <walker.chen@starfivetech.com> --- .../bindings/dma/snps,dw-axi-dmac.yaml | 24 +++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml index ad107a4d3b33..d8b5439f215c 100644 --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml @@ -12,14 +12,12 @@ maintainers: description: Synopsys DesignWare AXI DMA Controller DT Binding -allOf: - - $ref: "dma-controller.yaml#" - properties: compatible: enum: - snps,axi-dma-1.01a - intel,kmb-axi-dma + - starfive,jh7110-axi-dma reg: minItems: 1 @@ -58,7 +56,8 @@ properties: maximum: 8 resets: - maxItems: 1 + minItems: 1 + maxItems: 2 snps,dma-masters: description: | @@ -109,6 +108,23 @@ required: - snps,priority - snps,block-size +allOf: + - $ref: "dma-controller.yaml#" + - if: + properties: + compatible: + contains: + enum: + - starfive,jh7110-axi-dma + then: + properties: + resets: + minItems: 2 + else: + properties: + resets: + maxItems: 1 + additionalProperties: false examples: -- 2.17.1
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