Re: [RFC 0/4] Add support for the Gateworks System Controller

From: Andrew Lunn
Date: Wed Feb 28 2018 - 09:44:37 EST


On Tue, Feb 27, 2018 at 05:21:10PM -0800, Tim Harvey wrote:
> This series adds support for the Gateworks System Controller used on Gateworks
> Laguna, Ventana, and Newport product families.
>
> The GSC is an MSP430 I2C slave controller whose firmware embeds the following
> features:
> - I/O expander (16 GPIO's emulating a PCA955x)
> - EEPROM (enumating AT24)
> - RTC (enumating DS1672)

Hi Tim

Maybe it is in these patches, and i missed it....

How do these emulated devices work? Does the controller respond to
different addresses for these different emulated devices? Or is it an
I2c bus mux?

Andrew