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| author | Walker Chen <walker.chen@starfivetech.com> | 2023-03-22 12:48:17 +0300 |
|---|---|---|
| committer | Minda Chen <minda.chen@starfivetech.com> | 2024-01-11 13:57:22 +0300 |
| commit | b077160f57872420f807169cdc67ab144b6b9e02 (patch) | |
| tree | a3553c38bf26d04a34063767df7924136433c38e | |
| parent | 3339f6e5ea6250fd39d04cb6428c53b548502653 (diff) | |
| download | linux-b077160f57872420f807169cdc67ab144b6b9e02.tar.xz | |
dt-bindings: dma: snps,dw-axi-dmac: constrain the items of resets for JH7110 dma
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.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
| -rw-r--r-- | Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml index 67aa7bb6d36a..e1ec04f65279 100644 --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml @@ -21,6 +21,7 @@ properties: enum: - snps,axi-dma-1.01a - intel,kmb-axi-dma + - starfive,jh7110-axi-dma reg: minItems: 1 @@ -59,7 +60,8 @@ properties: maximum: 8 resets: - maxItems: 1 + minItems: 1 + maxItems: 2 snps,dma-masters: description: | @@ -110,6 +112,25 @@ required: - snps,priority - snps,block-size +if: + properties: + compatible: + contains: + enum: + - starfive,jh7110-axi-dma +then: + properties: + resets: + minItems: 2 + items: + - description: AXI reset line + - description: AHB reset line + - description: module reset +else: + properties: + resets: + maxItems: 1 + additionalProperties: false examples: |