Originally Posted by
StephanieMaks Not always. Mobile chipsets are not all public knowledge / published specs.
Broadcom for example doesn't release all their driver/specs to the public. If you want to use their chips you have to pay them for the drivers. Eg. the Raspberry Pi runs Broadcom SoCs but you can't boot your Pi without using a proprietary closed-source binary that Broadcom provides the RPi foundation.
I don't know about Qualcom, if they have similar restrictions. IIRC some of the display driver chips don't publish their specs either, requiring proprietary drivers.
I'm not saying all mobile phone chipsets are proprietary, but maybe just the most modern / most desirable are.
On the other hand, stuff like the various sensors, (GPS, barometer, accellerometer, gyro, temp, etc etc) and other components like flash, ram, etc, I've always been able to find fully published specs.