arm64: dts: r8a7795: salvator-x: add bias setting for usb1_pins

Since this board doesn't mount pull-up/down registers for
USB1_{OVC,PWEN} pins, we should enable bias setting to pull these
pins up/down.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
index da3e996..bcaf400 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
@@ -309,8 +309,20 @@
        };
 
        usb1_pins: usb1 {
-               groups = "usb1";
-               function = "usb1";
+               mux {
+                       groups = "usb1";
+                       function = "usb1";
+               };
+
+               ovc {
+                       pins = "GP_6_27";
+                       bias-pull-up;
+               };
+
+               pwen {
+                       pins = "GP_6_26";
+                       bias-pull-down;
+               };
        };
 
        usb2_pins: usb2 {