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Commit 199a7694 authored by Boris Brezillon's avatar Boris Brezillon Committed by Eric Anholt
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dt-bindings: Document the dmas and dma-names properties for VC4 HDMI 



These are optional, but necessary for HDMI audio support.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Acked-by: default avatarRob Herring <robh@kernel.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227202803.12855-1-eric@anholt.net
parent 99ed4d7e

Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt

+3 −0
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ Optional properties for HDMI: 
- hpd-gpios:	The GPIO pin for HDMI hotplug detect (if it doesn't appear

		  as an interrupt/status bit in the HDMI controller

		  itself).  See bindings/pinctrl/brcm,bcm2835-gpio.txt

- dmas:		Should contain one entry pointing to the DMA channel used to

		transfer audio data

- dma-names:	Should contain "audio-rx"



Required properties for DPI:

- compatible:	Should be "brcm,bcm2835-dpi"