On Tue, Nov 19, 2019 at 1:37 PM Dan Murphy <dmurphy@xxxxxx> wrote: > > > + > > +Example (GPIO + led operation): > What part of the example is GPIO? Is that the default function? The gpio function is always available by default. The mfd driver always adds the gpio mfd_cell. But no-one has ever implemented a mfd sub-driver for gpio. > > + > > +i2c0 { > > + tps61052@33 { > > + compatible = "ti,tps61052"; > > + reg = <0x33>; > > + > > + led { > > + label = "tps-torch"; > > function and color examples? No function, no colour. This is a simple led control with 8 intensity steps. We use it as a led torch on an industrial device.