dt-bindings: net: mediatek: add condition to property mediatek, pctl

The property "mediatek,pctl" is only required for SoCs such as MT2701 and
MT7623, so adding a few words for stating the condition.

Signed-off-by: Sean Wang <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt
index 214eaa9a6683861fd529d2af6fb84e361b27d80d..53c13ee384a49bec1163a6dc4239044296dbf067 100644 (file)
--- a/Documentation/devicetree/bindings/net/mediatek-net.txt
+++ b/Documentation/devicetree/bindings/net/mediatek-net.txt
@@ -28,7 +28,7 @@ Required properties:
 - mediatek,sgmiisys: phandle to the syscon node that handles the SGMII setup
        which is required for those SoCs equipped with SGMII such as MT7622 SoC.
 - mediatek,pctl: phandle to the syscon node that handles the ports slew rate
-       and driver current
+       and driver current: only for MT2701 and MT7623 SoC
 
 Optional properties:
 - interrupt-parent: Should be the phandle for the interrupt controller