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* AHCI SATA Controller
SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA controller should have its own node.
Required properties:
- compatible : compatible list, contains "snps,spear-ahci"
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>
Optional properties:
- dma-coherent : Present if dma operations are coherent
Example:
sata@ffe08000 {
compatible = "snps,spear-ahci";
reg = <0xffe08000 0x1000>;
interrupts = <115>;
};
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