[PATCH] ARM: dts: AM33XX: Add tsl2550 ambient light sensor DT data

AnilKumar, Chimata anilkumar at ti.com
Thu Oct 18 07:24:38 EDT 2012


+Grant, DTML

On Thu, Oct 18, 2012 at 13:38:30, Cousson, Benoit wrote:
> Hi Anil,
> 
> On 10/18/2012 07:46 AM, AnilKumar, Chimata wrote:
> > On Fri, Sep 21, 2012 at 21:19:11, AnilKumar, Chimata wrote:
> >> Add tsl2550 ambient light sensor DT data to am335x-evm.dts. In AM335x
> >> EVM tsl2550 ambient light sensor is connected to I2C2 bus. So this patch
> >> adds child node inside i2c2 node with i2c slave address.
> >>
> >> TAOS tsl2550 sensor with two-wire SMBus serial interface. This patch
> >> also reduces I2C2 clock frequency to 100KHz from 400KHz because the
> >> maximum clock frequency of SMBus is 100KHz.
> >>
> >> Signed-off-by: AnilKumar Ch <anilkumar at ti.com>
> >> ---
> >>  arch/arm/boot/dts/am335x-evm.dts |    7 ++++++-
> >>  1 file changed, 6 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
> >> index 3b1f313..d99aa0f 100644
> >> --- a/arch/arm/boot/dts/am335x-evm.dts
> >> +++ b/arch/arm/boot/dts/am335x-evm.dts
> >> @@ -49,7 +49,7 @@
> >>  
> >>  		i2c2: i2c at 4802a000 {
> >>  			status = "okay";
> >> -			clock-frequency = <400000>;
> >> +			clock-frequency = <100000>;
> >>  
> >>  			lis331dlh: lis331dlh at 18 {
> >>  				compatible = "st,lis331dlh", "st,lis3lv02d";
> >> @@ -79,6 +79,11 @@
> >>  				st,max-limit-z = <750>;
> >>  			};
> >>  
> >> +			tsl2550: tsl2550 at 39 {
> >> +				compatible = "taos,tsl2550";
> >> +				reg = <0x39>;
> >> +			};
> >> +
> >>  			tmp275: tmp275 at 48 {
> >>  				compatible = "ti,tmp275";
> >>  				reg = <0x48>;
> > 
> > Hi Tony/Benoit,
> > 
> > If there are no comments in this patch could you please take this in?
> 
> Have you updated the binding documentation to list the device?
> 
> It should be in:
> Documentation/devicetree/bindings/i2c/trivial-devices.txt
> 

No I have not updated, I will send a separate patch by adding all the supported
devices, missed from earlier (this device, tmp275 and lis331dlh)

Thanks
AnilKumar



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