ARM: dts: OMAP2+: Add #mbox-cells property to all mailbox nodes

The '#mbox-cells' property is added to all the OMAP mailbox
nodes. This property is mandatory with the new mailbox framework.

Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 831810583823..41659df0ea67 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -356,6 +356,7 @@
                         reg = <0x480C8000 0x200>;
                         interrupts = <77>;
                         ti,hwmods = "mailbox";
+                        #mbox-cells = <1>;
                         ti,mbox-num-users = <4>;
                         ti,mbox-num-fifos = <8>;
                         mbox_wkupm3: wkup_m3 {