This patch document the new optional ahci-supply.

Signed-off-by: Corentin Labbe <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
---
 Documentation/devicetree/bindings/ata/ahci-platform.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt 
b/Documentation/devicetree/bindings/ata/ahci-platform.txt
index b88820b4c01e..f495774c8af9 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.txt
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt
@@ -33,6 +33,7 @@ Optional properties:
 - target-supply     : regulator for SATA target power
 - phys              : reference to the SATA PHY node
 - phy-names         : must be "sata-phy"
+- ahci-supply       : regulator for AHCI controller
 - ports-implemented : Mask that indicates which ports that the HBA supports
                      are available for software to use. Useful if PORTS_IMPL
                      is not programmed by the BIOS, which is true with
-- 
2.16.4

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