From mboxrd@z Thu Jan 1 00:00:00 1970 From: rjui@broadcom.com (Ray Jui) Date: Tue, 9 Dec 2014 19:57:10 -0800 Subject: [PATCH v3 1/3] i2c: iProc: define Broadcom iProc I2C binding In-Reply-To: <1418183832-24793-1-git-send-email-rjui@broadcom.com> References: <1418183832-24793-1-git-send-email-rjui@broadcom.com> Message-ID: <1418183832-24793-2-git-send-email-rjui@broadcom.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Document the I2C device tree binding for Broadcom iProc family of SoCs Signed-off-by: Ray Jui Reviewed-by: Scott Branden --- .../devicetree/bindings/i2c/brcm,iproc-i2c.txt | 37 ++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt diff --git a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt new file mode 100644 index 0000000..81f982c --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt @@ -0,0 +1,37 @@ +Broadcom iProc I2C controller + +Required properties: + +- compatible: + Must be "brcm,iproc-i2c" + +- reg: + Define the base and range of the I/O address space that contain the iProc + I2C controller registers + +- interrupts: + Should contain the I2C interrupt + +- clock-frequency: + This is the I2C bus clock. Need to be either 100000 or 400000 + +- #address-cells: + Always 1 (for I2C addresses) + +- #size-cells: + Always 0 + +Example: + i2c0: i2c at 18008000 { + compatible = "brcm,iproc-i2c"; + reg = <0x18008000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + clock-frequency = <100000>; + + codec: wm8750 at 1a { + compatible = "wlf,wm8750"; + reg = <0x1a>; + }; + }; -- 1.7.9.5