This adds device tree binding documentation for the rWTM BIU mailbox
driver on the Armada 37xx SOC (EspressoBin, Turris Mox).
Signed-off-by: Marek Behún <marek.be...@nic.cz>
Cc: Rob Herring <robh...@kernel.org>
Cc: devicet...@vger.kernel.org
---
.../mailbox/armada-37xx-rwtm-mailbox.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644
Documentation/devicetree/bindings/mailbox/armada-37xx-rwtm-mailbox.txt
diff --git
a/Documentation/devicetree/bindings/mailbox/armada-37xx-rwtm-mailbox.txt
b/Documentation/devicetree/bindings/mailbox/armada-37xx-rwtm-mailbox.txt
new file mode 100644
index 000000000000..2d182d61eb3f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/armada-37xx-rwtm-mailbox.txt
@@ -0,0 +1,16 @@
+* rWTM BIU Mailbox driver for Armada 37xx
+
+Required properties:
+- compatible : must be "marvell,armada-37xx-rwtm-mailbox"
+- reg : physical base address of the mailbox and length of memory mapped
+ region
+- interrupts: the IRQ line for the mailbox
+- #mbox-cells: must be 1
+
+Example:
+ rwtm: mailbox@b0000 {
+ compatible = "marvell,armada-37xx-rwtm-mailbox";
+ reg = <0xb0000 0x100>;
+ interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
+ #mbox-cells = <1>;
+ };
--
2.18.1
