On Thu, Nov 17, 2022 at 9:09 AM Cosmin Tanislav <demonsingur@xxxxxxxxx> wrote: > The AD74115H is a single-channel, software-configurable, input and > output device for industrial control applications. The AD74115H > provides a wide range of use cases, integrated on a single chip. > > These use cases include analog output, analog input, digital output, > digital input, resistance temperature detector (RTD), and thermocouple > measurement capability. The AD74115H also has an integrated HART modem. > > A serial peripheral interface (SPI) is used to handle all communications > to the device, including communications with the HART modem. The digital > input and digital outputs can be accessed via the SPI or the > general-purpose input and output (GPIO) pins to support higher > speed data rates. > > The device features a 16-bit, sigma-delta analog-to-digital converter > (ADC) and a 14-bit digital-to-analog converter (DAC). > The AD74115H contains a high accuracy 2.5 V on-chip reference that can > be used as the DAC and ADC reference. > > Signed-off-by: Cosmin Tanislav <cosmin.tanislav@xxxxxxxxxx> (...) > +config AD74115 > + tristate "Analog Devices AD74115H driver" > + depends on GPIOLIB && SPI I think you can technically just select GPIOLIB making it easier for users, but that's up to you and definitely fine like this too. Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
