[RFC 1/2] dt-bindings: media: Add Aspeed Video Engine binding documentation
Eddie James
eajames at linux.vnet.ibm.com
Fri Aug 17 07:14:37 AEST 2018
On 08/16/2018 02:43 PM, Eddie James wrote:
> Document the bindings.
>
> Signed-off-by: Eddie James <eajames at linux.vnet.ibm.com>
> ---
> .../devicetree/bindings/media/aspeed-video.txt | 25 ++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/aspeed-video.txt
>
> diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt
> new file mode 100644
> index 0000000..91a494e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/aspeed-video.txt
> @@ -0,0 +1,25 @@
> +* Device tree bindings for Aspeed Video Engine
> +
> +The Video Engine (VE) embedded in the Aspeed AST2400 and AST2500 SOCs can
> +capture and compress video data from digital or analog sources.
> +
> +Required properties:
> + - compatible: "aspeed,ast2400-video" or "aspeed,ast2500-video"
> + - reg: contains the offset and length of the VE memory region
> + - clocks: pointers to the the "vclk" and "eclk" of the syscon
> + - clock-names: "vclk-gate", "eclk-gate"
> + - resets: pointer to the VE reset of the syscon
> + - interrupts: the interrupt associated with the VE on this platform
> + - reg-scu: pointer to the syscon itself
Forgot to remove syscon reference in latest, it's not needed.
Thanks,
Eddie
> +
> +Example:
> +
> +video: video at 1e700000 {
> + compatible = "aspeed,ast2500-video";
> + reg = <0x1e700000 0x20000>;
> + clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>;
> + clock-names = "vclk-gate", "eclk-gate";
> + resets = <&syscon ASPEED_RESET_VIDEO>;
> + interrupts = <7>;
> + reg-scu = <&syscon>;
> +};
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