spi: dt-bindings: atmel,at91rm9200-spi: Add DMA related properties

The DT nodes of the SPI IP's may contain DMA related properties so
make sure that the binding is able to properly validate those as
well by making it aware of these optional properties.

Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220913142205.162399-5-sergiu.moga@microchip.com

diff --git a/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml b/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml
index d85d540..4dd973e 100644 (file)
--- a/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/atmel,at91rm9200-spi.yaml
@@ -34,6 +34,16 @@ properties:
   clocks:
     maxItems: 1
 
+  dmas:
+    items:
+      - description: TX DMA Channel
+      - description: RX DMA Channel
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
   atmel,fifo-size:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: |