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-rw-r--r--Documentation/devicetree/bindings/ata/ahci-platform.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index 8bb8a76d42e8..147c1f6653fe 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -8,9 +8,17 @@ Required properties:
- 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
+
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>;
+
};