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Freescale ION unmapped heap for i.MX
Unmapped heap are used for security purpose, providing secure data
path buffers for video decode and display.
Required properties
- compatible:
- "fsl,display-heap" for display ion heap
- "fsl,vpu-heap" for vpu decoder ion heap
Required properties for Ion heaps
- memory-region: one reserved mem region pointer.
Example:
ion-display-region {
compatible = "fsl,display-heap", "linux,ion-heap-unmapped";
memory-region = <&display_region>;
};
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