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

Benoit Cousson b-cousson at ti.com
Thu Oct 18 04:08:30 EDT 2012


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

Please Cc as well the DT ml.

Regards,
Benoit




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