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- From c2f59eeeee68bb66a3db8555474fe94e73b65b02 Mon Sep 17 00:00:00 2001
- From: Walker Chen <[email protected]>
- Date: Wed, 22 Mar 2023 17:48:17 +0800
- Subject: [PATCH 111/122] 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 <[email protected]>
- Signed-off-by: Walker Chen <[email protected]>
- ---
- .../bindings/dma/snps,dw-axi-dmac.yaml | 23 ++++++++++++++++++-
- 1 file changed, 22 insertions(+), 1 deletion(-)
- --- 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:
|
