On Fri, Mar 09, 2018 at 11:14:42AM +0100, Paul Kocialkowski wrote:
> From: Florent Revest <florent.rev...@free-electrons.com>
>
> Device Tree bindings for the Allwinner's video engine
>
> Signed-off-by: Florent Revest <florent.rev...@free-electrons.com>
> ---
> .../devicetree/bindings/media/sunxi-cedrus.txt | 44
> ++++++++++++++++++++++
> 1 file changed, 44 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/sunxi-cedrus.txt
>
> diff --git a/Documentation/devicetree/bindings/media/sunxi-cedrus.txt
> b/Documentation/devicetree/bindings/media/sunxi-cedrus.txt
> new file mode 100644
> index 000000000000..138581113c49
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/sunxi-cedrus.txt
> @@ -0,0 +1,44 @@
> +Device-Tree bindings for SUNXI video engine found in sunXi SoC family
> +
> +Required properties:
> +- compatible : "allwinner,sun4i-a10-video-engine";
> +- memory-region : DMA pool for buffers allocation;
> +- clocks : list of clock specifiers, corresponding to
> + entries in clock-names property;
> +- clock-names : should contain "ahb", "mod" and "ram" entries;
> +- resets : phandle for reset;
> +- interrupts : should contain VE interrupt number;
> +- reg : should contain register base and length of VE.
> +
> +Example:
> +
> +reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + ve_reserved: cma {
> + compatible = "shared-dma-pool";
> + reg = <0x43d00000 0x9000000>;
> + no-map;
> + linux,cma-default;
> + };
> +};
> +
> +video-engine {
> + compatible = "allwinner,sun4i-a10-video-engine";
> + memory-region = <&ve_reserved>;
> +
> + clocks = <&ahb_gates 32>, <&ccu CLK_VE>,
> + <&dram_gates 0>;
This should be updated to sunxi-ng clocks:
clocks = <&ccu CLK_BUS_VE>, <&ccu CLK_VE>, <&ccu CLK_DRAM_VE>;
> + clock-names = "ahb", "mod", "ram";
> +
> + assigned-clocks = <&ccu CLK_VE>;
> + assigned-clock-rates = <320000000>;
> +
> + resets = <&ccu RST_VE>;
> +
> + interrupts = <53>;
> +
> + reg = <0x01c0e000 4096>;
> +};
> --
> 2.16.2
>
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