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>; | |
}; | |