From mboxrd@z Thu Jan 1 00:00:00 1970 From: Soren Brinkmann Subject: [PATCH v4 1/3] i2c: cadence: Document device tree bindings Date: Thu, 3 Apr 2014 10:59:25 -0700 Message-ID: <1396547967-19260-1-git-send-email-soren.brinkmann@xilinx.com> Return-path: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rob Landley , Russell King , Wolfram Sang , Grant Likely , Michal Simek Cc: Mike Looijmans , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Harini Katakam , linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, =?UTF-8?q?S=C3=B6ren=20Brinkmann?= List-Id: devicetree@vger.kernel.org Add device tree binding documentation for the Cadence I2C controller. Signed-off-by: Soren Brinkmann --- Changes in v4: - moved adding DT docs into this dedicated patch Changes in v3: None Changes in v2: None --- .../devicetree/bindings/i2c/i2c-cadence.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-cadence.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-cadence.txt b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt new file mode 100644 index 000000000000..685adf513111 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt @@ -0,0 +1,21 @@ +Binding for the Cadence I2C controller + +Required properties: + compatible: Compatibility string. Must be 'cdns,i2c-r1p10'. + clocks: From common clock bindings. Phandle to input clock. + +Optional properties: + clock-frequency: Desired operating frequency, in Hz, of the bus (actual may + be lower). Defaults to 400000 if not specified. + +Example: + + i2c@e0004000 { + compatible = "cdns,i2c-r1p10"; + clocks = <&clkc 38>; + interrupts = <0 25 4>; + reg = <0xE0004000 0x1000>; + clock-frequency = <400000>; + #address-cells = <1>; + #size-cells = <0>; + }; -- 1.9.1.1.gbb9f595