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: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220503065201.51818-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/usb/am33xx-usb.txt b/Documentation/devicetree/bindings/usb/am33xx-usb.txt
index 7a198a30408abf3f8a164189d60248f1dfcddc8b..654ffc62d0131cba8ccb8c8925fc5b3022cb9d1a 100644 (file)
--- a/Documentation/devicetree/bindings/usb/am33xx-usb.txt
+++ b/Documentation/devicetree/bindings/usb/am33xx-usb.txt
@@ -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>;
        };
 };