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| -rw-r--r-- | Documentation/devicetree/bindings/media/aspeed-video.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt new file mode 100644 index 0000000000..d2ca325122 --- /dev/null +++ b/Documentation/devicetree/bindings/media/aspeed-video.txt @@ -0,0 +1,33 @@ +* Device tree bindings for Aspeed Video Engine + +The Video Engine (VE) embedded in the Aspeed AST2400/2500/2600 SOCs can +capture and compress video data from digital or analog sources. + +Required properties: + - compatible: "aspeed,ast2400-video-engine" or + "aspeed,ast2500-video-engine" or + "aspeed,ast2600-video-engine" + - reg: contains the offset and length of the VE memory region + - clocks: clock specifiers for the syscon clocks associated with + the VE (ordering must match the clock-names property) + - clock-names: "vclk" and "eclk" + - resets: reset specifier for the syscon reset associated with + the VE + - interrupts: the interrupt associated with the VE on this platform + +Optional properties: + - memory-region: + phandle to a memory region to allocate from, as defined in + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt + +Example: + +video-engine@1e700000 { + compatible = "aspeed,ast2500-video-engine"; + reg = <0x1e700000 0x20000>; + clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>; + clock-names = "vclk", "eclk"; + resets = <&syscon ASPEED_RESET_VIDEO>; + interrupts = <7>; + memory-region = <&video_engine_memory>; +}; |