Commit 3a538f8f authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Greg Kroah-Hartman
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dt-bindings: usb: am33xx-usb: deprecate '#dma-channels' 



The generic property, used in most of the drivers and defined in generic
dma-common DT bindings, is 'dma-channels'.

Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarTony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220503065201.51818-2-krzysztof.kozlowski@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4ea15088

Documentation/devicetree/bindings/usb/am33xx-usb.txt

+4 −3
Original line number Diff line number Diff line
@@ -61,8 +61,9 @@ DMA 
  endpoint number (0 … 14 for endpoints 1 … 15 on instance 0 and 15 … 29

  for endpoints 1 … 15 on instance 1). The second number is 0 for RX and

  1 for TX transfers.

- #dma-channels: should be set to 30 representing the 15 endpoints for

- dma-channels: should be set to 30 representing the 15 endpoints for

  each USB instance.

- #dma-channels: deprecated



Example:

~~~~~~~~
@@ -193,7 +194,7 @@ usb: usb@47400000 { 
		interrupts = <17>;

		interrupt-names = "glue";

		#dma-cells = <2>;

		#dma-channels = <30>;

		#dma-requests = <256>;

		dma-channels = <30>;

		dma-requests = <256>;

	};

};