From: Eric Anholt <eric@anholt.net>
To: Florian Fainelli <f.fainelli@gmail.com>,
David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, Mark Brown <broonie@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org
Cc: linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Stephen Warren <swarren@wwwdotorg.org>,
Lee Jones <lee@kernel.org>,
bcm-kernel-feedback-list@broadcom.com,
Boris Brezillon <boris.brezillon@free-electrons.com>,
Eric Anholt <eric@anholt.net>
Subject: [PATCH 1/3] dt-bindings: Document the dmas and dma-names properties for VC4 HDMI
Date: Tue, 7 Feb 2017 13:07:01 -0800 [thread overview]
Message-ID: <20170207210703.7082-1-eric@anholt.net> (raw)
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
next reply other threads:[~2017-02-07 21:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-07 21:07 Eric Anholt [this message]
2017-02-07 21:07 ` [PATCH 2/3] drm/vc4: Add HDMI audio support Eric Anholt
2017-02-24 13:09 ` Boris Brezillon
2017-02-07 21:07 ` [PATCH 3/3] ARM: dts: bcm283x: Add HDMI audio related properties Eric Anholt
2017-02-15 22:48 ` [PATCH 1/3] dt-bindings: Document the dmas and dma-names properties for VC4 HDMI Rob Herring
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