> Alain, this is the code needed to enable SMBus HostNotify for the
> Renesas R-Car driver already using the binding we discussed yesterday.
> I got it to work finally, so we have now two working cases. Good!

BTW I think the DTS additions don't look too bad? It is a grey area,
though...

 &i2c3  {
        pinctrl-0 = <&i2c3_pins>;
        pinctrl-names = "i2c-pwr";
+
+       enable-host-notify;
+
+       dummy@32 {
+               compatible = "dummy";
+               reg = <0x32>;
+               host-notify;
+       };