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Diffstat (limited to 'Documentation/devicetree/bindings/ata/ahci-platform.txt')
-rw-r--r-- | Documentation/devicetree/bindings/ata/ahci-platform.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt new file mode 100644 index 00000000..b519f9b6 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt @@ -0,0 +1,25 @@ +* 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 "calxeda,hb-ahci" or "snps,spear-ahci" +- interrupts : <interrupt mapping for SATA IRQ> +- reg : <registers mapping> + +Optional properties: +- calxeda,port-phys: phandle-combophy and lane assignment, which maps each + SATA port to a combophy and a lane within that + combophy +- dma-coherent : Present if dma operations are coherent + +Example: + sata@ffe08000 { + compatible = "calxeda,hb-ahci"; + reg = <0xffe08000 0x1000>; + interrupts = <115>; + calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1 + &combophy0 2 &combophy0 3>; + + }; |