Messages in this thread | | | From | Kevin Hilman <> | Subject | Re: [PATCH V3 0/5] firmware: Add support for TI System Control Interface (TI-SCI) protocol driver | Date | Wed, 07 Sep 2016 11:55:38 -0700 |
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Nishanth Menon <nm@ti.com> writes:
> Hi, > > Version 3 of the series with change in the way we describe the children > nodes (no change to drivers required - only the dts description changes). > > Texas Instruments' Keystone generation System on Chips (SoC) > starting with 66AK2G02[1], now include a dedicated SoC System Control > entity called PMMC(Power Management Micro Controller) in line with > ARM architecture recommendations. The function of this module is > to integrate all system operations in a centralized location. > Communication with the SoC System Control entity from various > processing units like ARM/DSP occurs over Message Manager hardware > block. > > This series adds the base support for TI System Control Interface > (TI-SCI) protocol[2]. The protocol is built on top of Texas > Instrument's Message Manager communication mechanism[3]. > > Overall architecture is very similar to SCPI[4] as follows:
Dumb Q: I'm curious about the limitations in SCPI that were found that made TI decided to implement its own version.
Thanks,
Kevin
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