On 16/11/16 16:39, Jyri Sarha wrote: > On 11/16/16 15:33, Rob Herring wrote: >>> +Optional properties >>>> + - reg: I2C address. If and only if present the driver node >>>> + should be placed into the i2c controller node where the >>>> + tfp410 i2c is connected to (the current implementation does >>>> + not yet support this). >> So this chip can work without programming I guess? >> > > Yes. Just powering it up is enough for most application. Right, and not only that, but in all the TI boards I have seen TFP410's i2c pins are not even connected. The data sheet says "[TFP410] can be controlled in two ways: 1) configuration and state pins or 2) the programmable I2C serial interface". Tomi
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