diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml index 85b2d6d84055..eb3992138eec 100644 --- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml @@ -41,19 +41,11 @@ properties: - const: apb - const: mod - dmas: - items: - - description: RX DMA Channel - - description: TX DMA Channel - - dma-names: - items: - - const: rx - - const: tx - # Even though it only applies to subschemas under the conditionals, # not listing them here will trigger a warning because of the # additionalsProperties set to false. + dmas: true + dma-names: true resets: maxItems: 1 @@ -72,6 +64,46 @@ allOf: required: - resets + - if: + properties: + compatible: + contains: + const: allwinner,sun8i-a83t-i2s + + then: + properties: + dmas: + minItems: 1 + maxItems: 2 + items: + - description: RX DMA Channel + - description: TX DMA Channel + description: + Some controllers cannot receive but can only transmit + data. In such a case, the RX DMA channel is to be omitted. + + dma-names: + oneOf: + - items: + - const: rx + - const: tx + - const: tx + description: + Some controllers cannot receive but can only transmit + data. In such a case, the RX name is to be omitted. + + else: + properties: + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + required: - "#sound-dai-cells" - compatible |