# \[PATCH 6/6\] dt-bindings: Add DT bindings document for Broadcom SBA RAID driver

- From: Anup Patel \<hidden\>
- Date: 2017-02-02 04:48:53 
- List: linux-devicetree
- Page: https://ratatoskr.run/linux-devicetree/2017/02/4925799
- Thread: https://ratatoskr.run/linux-devicetree/2017/02/4925794/t.md

```text
This patch adds the DT bindings document for newly added Broadcom
SBA RAID driver.

Signed-off-by: Anup Patel <redacted>
Reviewed-by: Ray Jui <redacted>
Reviewed-by: Scott Branden <redacted>
---
 .../devicetree/bindings/dma/brcm,iproc-sba.txt     | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/brcm,iproc-sba.txt

diff --git a/Documentation/devicetree/bindings/dma/brcm,iproc-sba.txt b/Documentation/devicetree/bindings/dma/brcm,iproc-sba.txt
new file mode 100644
index 0000000..092913a
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/brcm,iproc-sba.txt
@@ -0,0 +1,29 @@
+* Broadcom SBA RAID engine
+
+Required properties:
+- compatible: Should be one of the following
+	      "brcm,iproc-sba"
+	      "brcm,iproc-sba-v2"
+  The "brcm,iproc-sba" has support for only 6 PQ coefficients
+  The "brcm,iproc-sba-v2" has support for only 30 PQ coefficients
+- mboxes: List of phandle and mailbox channel specifiers
+
+Example:
+
+raid_mbox: mbox@67400000 {
+	...
+	#mbox-cells = <3>;
+	...
+};
+
+raid0 {
+	compatible = "brcm,iproc-sba-v2";
+	mboxes = <&raid_mbox 0 0x1 0xffff>,
+		 <&raid_mbox 1 0x1 0xffff>,
+		 <&raid_mbox 2 0x1 0xffff>,
+		 <&raid_mbox 3 0x1 0xffff>,
+		 <&raid_mbox 4 0x1 0xffff>,
+		 <&raid_mbox 5 0x1 0xffff>,
+		 <&raid_mbox 6 0x1 0xffff>,
+		 <&raid_mbox 7 0x1 0xffff>;
+};
-- 
2.7.4

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```