linux-kernel - [PATCH v6 4/4] dt-bindings: Add DT bindings document for Broadcom SBA RAID driver

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Date:   Mon,  6 Mar 2017 15:13:28 +0530
From:   Anup Patel <anup.patel@...adcom.com>
To:     Vinod Koul <vinod.koul@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Jassi Brar <jassisinghbrar@...il.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Jon Mason <jonmason@...adcom.com>,
        Rob Rice <rob.rice@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-raid@...r.kernel.org, Anup Patel <anup.patel@...adcom.com>
Subject: [PATCH v6 4/4] dt-bindings: Add DT bindings document for Broadcom SBA RAID driver

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

Acked-by: Rob Herring <robh@...nel.org>
Reviewed-by: Ray Jui <ray.jui@...adcom.com>
Reviewed-by: Scott Branden <scott.branden@...adcom.com>
Signed-off-by: Anup Patel <anup.patel@...adcom.com>
---
 .../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@...00000 {
+	...
+	#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