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Subject[PATCH 1/3] dt-bindings: Document the dmas and dma-names properties for VC4 HDMI
Date
From: Boris Brezillon <boris.brezillon@free-electrons.com>

These are optional, but necessary for HDMI audio support.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---
Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
index 34c7fddcea39..ca02d3e4db91 100644
--- a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
+++ b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
@@ -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"
--
2.11.0
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