dt-bindings: display: msm/dsi: Fix the PHY regulator supply props

The PHY regulator supply names vary across different PHY versions.
Mention explicitly which PHYs require which supplies.

Cc: Rob Herring <[email protected]>
Cc: [email protected]
Signed-off-by: Archit Taneja <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Rob Clark <[email protected]>

diff --git a/Documentation/devicetree/bindings/display/msm/dsi.txt b/Documentation/devicetree/bindings/display/msm/dsi.txt
index 457c688736beed8d5802b2cf11de73c61fea9e9d..9c3ad6bbb9f0e3d95ba4450d404ea27fe1e657ba 100644 (file)
--- a/Documentation/devicetree/bindings/display/msm/dsi.txt
+++ b/Documentation/devicetree/bindings/display/msm/dsi.txt
@@ -98,7 +98,11 @@ Required properties:
 - clocks: Phandles to device clocks. See [1] for details on clock bindings.
 - clock-names: the following clocks are required:
   * "iface"
+  For 28nm HPM/LP, 28nm 8960 PHYs:
 - vddio-supply: phandle to vdd-io regulator device node
+  For 20nm PHY:
+- vddio-supply: phandle to vdd-io regulator device node
+- vcca-supply: phandle to vcca regulator device node
 
 Optional properties:
 - qcom,dsi-phy-regulator-ldo-mode: Boolean value indicating if the LDO mode PHY