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kernel-49/Documentation/devicetree/bindings/ata/ahci-fsl-qoriq.txt
Andrey Zolotarev e72e9355e3 start the android-4.9 tree
git: https://android.googlesource.com/kernel/common
branch: android-4.9
commit: 03fcc2fe71308c2d164b4e6cbfc738c63e670444
2018-11-15 21:36:32 +03:00

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Binding for Freescale QorIQ AHCI SATA Controller
Required properties:
- reg: Physical base address and size of the controller's register area.
- compatible: Compatibility string. Must be 'fsl,<chip>-ahci', where
chip could be ls1021a, ls2080a, ls1043a etc.
- clocks: Input clock specifier. Refer to common clock bindings.
- interrupts: Interrupt specifier. Refer to interrupt binding.
Optional properties:
- dma-coherent: Enable AHCI coherent DMA operation.
- reg-names: register area names when there are more than 1 register area.
Examples:
sata@3200000 {
compatible = "fsl,ls1021a-ahci";
reg = <0x0 0x3200000 0x0 0x10000>;
interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&platform_clk 1>;
dma-coherent;
};