linux-kernel - [PATCH v4 1/4] dt-bindings: fsi: Add SBEFIFO documentation

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Message-Id: <1510947274-7519-2-git-send-email-eajames@linux.vnet.ibm.com>
Date:   Fri, 17 Nov 2017 13:34:31 -0600
From:   Eddie James <eajames@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, mark.rutland@....com,
        bradleyb@...ziesquirrel.com, cbostic@...ux.vnet.ibm.com,
        joel@....id.au, eajames@...ux.vnet.ibm.com,
        "Edward A. James" <eajames@...ibm.com>
Subject: [PATCH v4 1/4] dt-bindings: fsi: Add SBEFIFO documentation

From: "Edward A. James" <eajames@...ibm.com>

Document the bindings for the SBE CFAM device. SBE devices are
located on a CFAM off an FSI bus.

Signed-off-by: Edward A. James <eajames@...ibm.com>
---
 .../devicetree/bindings/fsi/ibm,p9-sbefifo.txt     | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt

diff --git a/Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt b/Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt
new file mode 100644
index 0000000..e69b0c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt
@@ -0,0 +1,35 @@
+Device-tree bindings for P9 SBEFIFO CFAM device
+-----------------------------------------------
+
+Required properties:
+ - compatible = "ibm,p9-sbefifo";
+ - reg = < address size >;		: FSI CFAM address for the SBE engine
+					  and address space size.
+ - #address-cells = <1>;		: Number of address cells in child
+					  nodes.
+ - #size-cells = <0>;			: Number of size cells in child nodes.
+
+Optional properties:
+ - <child nodes>			: Devices that are accessible through
+					  the SBEFIFO. Child nodes are "opaque"
+					  to the SBEFIFO; the SBEFIFO needs no
+					  information about a child node other
+					  than if it exists or not.
+
+Child node optional properties:
+ - compatible = "dts-name"
+ - reg = < address >;			: Meaningful only for the child node
+
+Examples:
+
+    sbefifo@...0 {
+        compatible = "ibm,p9-sbefifo";
+        reg = < 0x2400 0x400 >;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        occ@1 {
+            compatible = "ibm,p9-occ";
+            reg = < 1 >;
+        };
+    };
-- 
1.8.3.1