linux-kernel - [PATCH v7 1/7] dt-bindings: i2c: Add FSI-attached I2C master dt binding documentation

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Message-Id: <1527632665-25707-2-git-send-email-eajames@linux.vnet.ibm.com>
Date:   Tue, 29 May 2018 17:24:19 -0500
From:   Eddie James <eajames@...ux.vnet.ibm.com>
To:     linux-i2c@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        wsa@...-dreams.de, robh+dt@...nel.org, benh@...nel.crashing.org,
        joel@....id.au, mark.rutland@....com, gregkh@...uxfoundation.org,
        "Edward A. James" <eajames@...ibm.com>
Subject: [PATCH v7 1/7] dt-bindings: i2c: Add FSI-attached I2C master dt binding documentation

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

Document the bindings.

Signed-off-by: Edward A. James <eajames@...ibm.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/i2c/i2c-fsi.txt | 40 +++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/i2c-fsi.txt

diff --git a/Documentation/devicetree/bindings/i2c/i2c-fsi.txt b/Documentation/devicetree/bindings/i2c/i2c-fsi.txt
new file mode 100644
index 0000000..b1be2ce
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-fsi.txt
@@ -0,0 +1,40 @@
+Device-tree bindings for FSI-attached I2C master and busses
+-----------------------------------------------------------
+
+Required properties:
+ - compatible = "ibm,i2c-fsi";
+ - reg = < address size >;		: The FSI CFAM address and address
+					  space size.
+ - #address-cells = <1>;		: Number of address cells in child
+					  nodes.
+ - #size-cells = <0>;			: Number of size cells in child nodes.
+ - child nodes				: Nodes to describe busses off the I2C
+					  master.
+
+Child node required properties:
+ - reg = < port number >		: The port number on the I2C master.
+
+Child node optional properties:
+ - child nodes				: Nodes to describe devices on the I2C
+					  bus.
+
+Examples:
+
+    i2c@...0 {
+        compatible = "ibm,i2c-fsi";
+        reg = < 0x1800 0x400 >;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        i2c-bus@0 {
+            reg = <0>;
+        };
+
+        i2c-bus@1 {
+            reg = <1>;
+
+            eeprom@50 {
+                compatible = "vendor,dev-name";
+            };
+        };
+    };
-- 
1.8.3.1