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| author | Icenowy Zheng <icenowy@aosc.io> | 2017-05-14 18:30:35 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-05-15 11:12:25 +0200 |
| commit | f23c68a992def240fe46df8517f15171d7bd6ec2 (patch) | |
| tree | 5b6ea873a573e70e2d67f38615aa2272563d3a38 /Documentation/devicetree/bindings/display | |
| parent | drm/sun4i: backend: Clarify sun4i_backend_layer_enable debug message (diff) | |
| download | linux-f23c68a992def240fe46df8517f15171d7bd6ec2.tar.xz linux-f23c68a992def240fe46df8517f15171d7bd6ec2.zip | |
dt-bindings: add bindings for DE2 on V3s SoC
Allwinner V3s SoC have a display engine which have a different pipeline
with older SoCs.
Add document for it (new compatibles and the new "mixer" part).
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'Documentation/devicetree/bindings/display')
| -rw-r--r-- | Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index 7acdbf14ae1c..66b85a195ef2 100644 --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt @@ -41,6 +41,7 @@ Required properties: * allwinner,sun6i-a31-tcon * allwinner,sun6i-a31s-tcon * allwinner,sun8i-a33-tcon + * allwinner,sun8i-v3s-tcon - reg: base address and size of memory-mapped region - interrupts: interrupt associated to this IP - clocks: phandles to the clocks feeding the TCON. Three are needed: @@ -62,7 +63,7 @@ Required properties: second the block connected to the TCON channel 1 (usually the TV encoder) -On SoCs other than the A33, there is one more clock required: +On SoCs other than the A33 and V3s, there is one more clock required: - 'tcon-ch1': The clock driving the TCON channel 1 DRC @@ -148,6 +149,26 @@ Required properties: Documentation/devicetree/bindings/media/video-interfaces.txt. The first port should be the input endpoints, the second one the outputs +Display Engine 2.0 Mixer +------------------------ + +The DE2 mixer have many functionalities, currently only layer blending is +supported. + +Required properties: + - compatible: value must be one of: + * allwinner,sun8i-v3s-de2-mixer + - reg: base address and size of the memory-mapped region. + - clocks: phandles to the clocks feeding the mixer + * bus: the mixer interface clock + * mod: the mixer module clock + - clock-names: the clock names mentioned above + - resets: phandles to the reset controllers driving the mixer + +- ports: A ports node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. The + first port should be the input endpoints, the second one the output + Display Engine Pipeline ----------------------- @@ -162,9 +183,10 @@ Required properties: * allwinner,sun6i-a31-display-engine * allwinner,sun6i-a31s-display-engine * allwinner,sun8i-a33-display-engine + * allwinner,sun8i-v3s-display-engine - allwinner,pipelines: list of phandle to the display engine - frontends available. + frontends (DE 1.0) or mixers (DE 2.0) available. Example: |