On Mon, Jul 27, 2015 at 3:14 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote: > This header is currently only used for defines pertaining to data > direction i.e. Rx, Tx or Loopback. > > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> > --- > include/dt-bindings/mailbox/mailbox.h | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > create mode 100644 include/dt-bindings/mailbox/mailbox.h > > diff --git a/include/dt-bindings/mailbox/mailbox.h b/include/dt-bindings/mailbox/mailbox.h > new file mode 100644 > index 0000000..82e929a > --- /dev/null > +++ b/include/dt-bindings/mailbox/mailbox.h > @@ -0,0 +1,14 @@ > +/* > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > + > +#ifndef __MAILBOX_CONTROLLER_DT_BINDINGS_H > +#define __MAILBOX_CONTROLLER_DT_BINDINGS_H > + > +#define MBOX_TX 0x1 > +#define MBOX_RX 0x2 > +#define MBOX_LOOPBACK (MBOX_RX | MBOX_TX) > + Not sure I understand 'loopback'. Does it mean h/w has some 'loopback' mode for testing purposes? Or it simply means the controller can send as well as receive messages? Thanks. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html