From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eddie James Subject: [PATCH v11 1/8] dt-bindings: i2c: Add FSI-attached I2C master dt binding documentation Date: Thu, 5 Jul 2018 13:40:23 -0500 Message-ID: <1530816030-13010-2-git-send-email-eajames@linux.vnet.ibm.com> References: <1530816030-13010-1-git-send-email-eajames@linux.vnet.ibm.com> Return-path: In-Reply-To: <1530816030-13010-1-git-send-email-eajames@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-i2c@vger.kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, wsa@the-dreams.de, robh+dt@kernel.org, benh@kernel.crashing.org, joel@jms.id.au, mark.rutland@arm.com, gregkh@linuxfoundation.org, rdunlap@infradead.org, andy.shevchenko@gmail.com, peda@axentia.se, Eddie James List-Id: devicetree@vger.kernel.org Document the bindings. Signed-off-by: Eddie James Acked-by: Rob Herring --- 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@1800 { + 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