From: Boris Brezillon Date: Mon, 27 Feb 2017 20:28:01 +0000 (-0800) Subject: dt-bindings: Document the dmas and dma-names properties for VC4 HDMI X-Git-Tag: v4.12-rc1~86^2~28^2~12 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=199a76946d4303ce047e6ac9a49eefa0105f6e78;p=linux-block.git 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 Signed-off-by: Eric Anholt Acked-by: Rob Herring Link: http://patchwork.freedesktop.org/patch/msgid/20170227202803.12855-1-eric@anholt.net --- 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"