dt-bindings: mailbox: mtk-gce: fix incorrect mbox-cells value

As the binding documentation says, #mbox-cells must have a value of 2,
but the example use a value 3. The MT8173 device tree correctly use
mbox-cells = <2>. This commit fixes the example.

Fixes: 19d8e335d58a ("dt-binding: gce: remove atomic_exec in mboxes property")
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20201018193016.3339045-1-fparent@baylibre.com
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
index cf48cd8..7771eca 100644 (file)
--- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
+++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt
@@ -47,7 +47,7 @@ Example:
                interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_LOW>;
                clocks = <&infracfg CLK_INFRA_GCE>;
                clock-names = "gce";
-               #mbox-cells = <3>;
+               #mbox-cells = <2>;
        };
 
 Example for a client device: