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Commit f48d14c2 authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Vinod Koul
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dt-bindings: arm64: allwinner: h6: Add binding for DMA controller 



DMA in H6 is similar to other DMA controller, except it is first which
supports more than 32 request sources and has 16 channels. It also needs
additional clock to be enabled.

Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarClément Péron <peron.clem@gmail.com>
Acked-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent dc161064

Documentation/devicetree/bindings/dma/sun6i-dma.txt

+7 −2
Original line number Diff line number Diff line
@@ -28,12 +28,17 @@ Example: 
	};



------------------------------------------------------------------------------

For A64 DMA controller:

For A64 and H6 DMA controller:



Required properties:

- compatible:	"allwinner,sun50i-a64-dma"

- compatible:	Must be one of

		  "allwinner,sun50i-a64-dma"

		  "allwinner,sun50i-h6-dma"

- dma-channels: Number of DMA channels supported by the controller.

		Refer to Documentation/devicetree/bindings/dma/dma.txt

- clocks:	In addition to parent AHB clock, it should also contain mbus

		clock (H6 only)

- clock-names:	Should contain "bus" and "mbus" (H6 only)

- all properties above, i.e. reg, interrupts, clocks, resets and #dma-cells



Optional properties: