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-rw-r--r--Documentation/devicetree/bindings/ata/ahci-platform.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index 4ab09f2202d4..c2340eeeb97f 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -37,9 +37,10 @@ Required properties when using sub-nodes:
Sub-nodes required properties:
-- reg : the port number
-- phys : reference to the SATA PHY node
-
+- reg : the port number
+And at least one of the following properties:
+- phys : reference to the SATA PHY node
+- target-supply : regulator for SATA target power
Examples:
sata@ffe08000 {
@@ -68,10 +69,12 @@ With sub-nodes:
sata0: sata-port@0 {
reg = <0>;
phys = <&sata_phy 0>;
+ target-supply = <&reg_sata0>;
};
sata1: sata-port@1 {
reg = <1>;
phys = <&sata_phy 1>;
+ target-supply = <&reg_sata1>;;
};
};