usb: phy: msm: Vote for corner of VDD CX instead of voltage of VDD CX

New platform uses RBCPR hardware feature, with that voting for
absolute voltage of VDD CX is not required. Hence vote for corner of
VDD CX which uses nominal corner voltage on VDD CX.

Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Cc: Mayank Rana <mrana@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt
index 0669667..2826f2a 100644
--- a/Documentation/devicetree/bindings/usb/msm-hsusb.txt
+++ b/Documentation/devicetree/bindings/usb/msm-hsusb.txt
@@ -65,6 +65,10 @@ Optional properties:
                 Some platforms may have configuration to allow USB
                 controller work with any of the two HSPHYs present.
 
+- qcom,vdd-levels: This property must be a list of three integer values
+                (no, min, max) where each value represents either a voltage
+                in microvolts or a value corresponding to voltage corner.
+
 Example HSUSB OTG controller device node:
 
     usb@f9a55000 {
@@ -87,4 +91,5 @@ Example HSUSB OTG controller device node:
 
         qcom,otg-control = <1>;
         qcom,phy-init-sequence = < -1 0x63 >;
+        qcom,vdd-levels = <1 5 7>;
 	};