The DMA controller needs two reset items to work properly on JH7110 SoC,
so there is need to change the maxItems' value to 2 and add minItems
whose value is equal to 1. Other platforms do not have this constraint.
Signed-off-by: Walker Chen <walker.chen@xxxxxxxxxxxxxxxx>
---
.../bindings/dma/snps,dw-axi-dmac.yaml | 25 ++++++++++++++++---
1 file changed, 21 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..4ed0a6b7ca69 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 +108,24 @@ required:
- snps,priority
- snps,block-size
+allOf:
+ - $ref: "dma-controller.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - starfive,jh7110-axi-dma
+ then:
+ properties:
+ resets:
+ minItems: 1
+ maxItems: 2
+ else:
+ properties:
+ resets:
+ maxItems: 1
+
additionalProperties: false
examples:
--
2.17.1
