From mboxrd@z Thu Jan 1 00:00:00 1970 From: rjui@broadcom.com (Ray Jui) Date: Tue, 9 Dec 2014 19:27:17 -0800 Subject: [PATCH 1/4] i2c: iProc: define Broadcom iProc I2C binding In-Reply-To: References: <1418172891-19441-1-git-send-email-rjui@broadcom.com> <1418172891-19441-2-git-send-email-rjui@broadcom.com> <5487A16C.5000707@gmail.com> <5487A355.6030704@broadcom.com> Message-ID: <5487BD95.1060000@broadcom.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 12/9/2014 7:12 PM, Varka Bhadram wrote: > > > On Wed, Dec 10, 2014 at 7:05 AM, Ray Jui > wrote: > > > > On 12/9/2014 5:27 PM, Varka Bhadram wrote: > > Hi, > > On Wednesday 10 December 2014 06:24 AM, Ray Jui wrote: > > 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 > + > > > All the properties defined with two lines of statements. > > Why cant they be with single line statement, like: > > 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 > > .... > > > I thought making them two lines are more readable (and obviously > that's very subjective, :)). But more importantly, it matches the > format of other Broadcom iProc/Cygnus devicetree binding documents > that are currently in progress of upstreaming. > > > But max of the bindings over the kernel follows single line statements. > > -- > Thanks and Regards, > Varka Bhadram. Is it a requirement for these property descriptions to be one line? If not, I prefer to stick with the way it is now. Thanks.