From: Lubomir Rintel <[email protected]>
Signed-off-by: Lubomir Rintel <[email protected]>
Signed-off-by: Craig McGeachie <[email protected]>
Signed-off-by: Eric Anholt <[email protected]>
---
v2: Split into a separate patch for submitting to the devicetree list.
Consistently start node docs with a capital letter. device's
address in the example shouldn't have "0x". Drop machine-specific
interrupt numbers from the docs. (changes by anholt).
v3: Move the file to just bcm2835-mbox.txt, clean up formatting
(changes by anholt, from review by Lee Jones).
.../devicetree/bindings/mailbox/bcm2835-mbox.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt
diff --git a/Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt
b/Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt
new file mode 100644
index 0000000..0bb2b9d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/bcm2835-mbox.txt
@@ -0,0 +1,19 @@
+Broadcom BCM2835 VideoCore mailbox IPC
+
+Required properties:
+
+- compatible: Should be "brcm,bcm2835-mbox"
+- reg: Specifies base physical address and size of the registers
+- interrupts: The interrupt number
+ See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
+- #mbox-cells: Specifies the number of cells needed to encode a mailbox
+ channel. The value shall be 1
+
+Example:
+
+mailbox: mailbox@7e00b800 {
+ compatible = "brcm,bcm2835-mbox";
+ reg = <0x7e00b880 0x40>;
+ interrupts = <0 1>;
+ #mbox-cells = <1>;
+};
--
2.1.4
--
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