Messages in this thread |  | | From | Andy Shevchenko <> | Date | Tue, 4 Feb 2020 13:05:28 +0200 | Subject | Re: [PATCH v2] spi: Add FSI-attached SPI controller driver |
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On Tue, Feb 4, 2020 at 12:30 AM Eddie James <eajames@linux.ibm.com> wrote: > > There exists a set of SPI controllers on some POWER processors that may > be accessed through the FSI bus. Add a driver to traverse the FSI CFAM > engine that can access and drive the SPI controllers. This driver would > typically be used by a baseboard management controller (BMC). > > The SPI controllers operate by means of programming a sequencing engine > which automatically manages the usual SPI protocol buses. The driver > programs each transfer into the sequencer as various operations > specifying the slave chip and shifting data in and out on the lines.
Some comments left unsettled in v1, thus applicable here.
-- With Best Regards, Andy Shevchenko
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