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| author |   Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-02-27 12:28:01 -0800 |
|---|---|---|
| committer |   Eric Anholt <eric@anholt.net> | 2017-03-16 10:33:30 -0700 |
| commit | 199a76946d4303ce047e6ac9a49eefa0105f6e78 (patch) | |
| tree | 0cad21b0a83e5a995486ce2f5c791f091afd5e5b /Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt | |
| parent | drm/atmel-hlcdc: Fix suspend/resume implementation (diff) | |
| download | wireguard-linux-199a76946d4303ce047e6ac9a49eefa0105f6e78.tar.xz wireguard-linux-199a76946d4303ce047e6ac9a49eefa0105f6e78.zip | |
dt-bindings: Document the dmas and dma-names properties for VC4 HDMI
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>
Acked-by: Rob Herring <robh@kernel.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227202803.12855-1-eric@anholt.net
Diffstat (limited to 'Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt | 3 |
1 files changed, 3 insertions, 0 deletions
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" |