* Rockchip Ion driver
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Required properties:
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- compatible: Should be "rockchip,ion"
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Optional properties:
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- cma-heap: Allocate continous physicall region.
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Should define reg with two u32 values:
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- reg0: base address of cma region
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- reg1: size of cma region
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- system-heap: Allocate continous virtual region
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Examples:
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ion {
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compatible = "rockchip,ion";
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#address-cells = <1>;
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#size-cells = <0>;
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cma-heap {
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reg = <0x00000000 0x02000000>;
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};
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system-heap {
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};
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};
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