Re: [lm-sensors] dual output buck controller pmbus based

[Guenter Roeck <guenter.roeck@ericsson.com>]

On Fri, Feb 10, 2012 at 01:20:25AM -0500, Vivek Bardia wrote:
> Hello,
> 
> I want to know whether does the current pmbus driver support dual output buck
> controller based PMIC?
> 
> Basically for this particular PMIC: http://goo.gl/BFwcu
> 
> How do I test the driver for it?
> 
Hi,

I got the evaluation board for TPS40422. Here is the output from the sensors command
after instantiating it as "pmbus".

pmbus-i2c-0-1b
Adapter: i2c-diolan-u2c:002
vout1:        +1.20 V
vout2:        +3.30 V
temp1:        +26.0°C  (high = +100.0°C, crit = +125.0°C)
iout1:        +0.31 A  (max = +25.00 A, crit max = +30.00 A)
iout2:        +0.31 A  (max = +20.00 A, crit max = +25.00 A)

Similar, for TPS40400:

pmbus-i2c-0-1c
Adapter: i2c-diolan-u2c:002
vin:         +11.59 V
vout1:        +1.16 V  (crit min =  +1.14 V, crit max =  +1.26 V)
iout1:        +0.50 A  (max = +29.00 A, crit max = +30.00 A)

Overall pretty good for generic detection. Only problem (or, rather, limitation)
with TPS40422 is that the auto-detection code does not support paged temperature
registers, and thus only a single temperature is reported.

Did you have a chance to test it yourself ?

Thanks,
Guenter

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