ARM: dts: add dm816x missing #mbox-cells

Add missing #mbox-cells for dm816x mbox DT node.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 3c99cfa1a8761604a409b9d0525f143c494571b0..a7a34e47dadc6059447bc6fefada6bba33d14505 100644 (file)
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -218,6 +218,7 @@ mailbox: mailbox@480c8000 {
                        reg = <0x480c8000 0x2000>;
                        interrupts = <77>;
                        ti,hwmods = "mailbox";
+                       #mbox-cells = <1>;
                        ti,mbox-num-users = <4>;
                        ti,mbox-num-fifos = <12>;
                        mbox_dsp: mbox_dsp {