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From: Kevin Hilman <khilman@baylibre.com>
To: Nishanth Menon <nm@ti.com>
Cc: Rob Herring <robh@kernel.org>, Tero Kristo <t-kristo@ti.com>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	devicetree@vger.kernel.org, Dave Gerlach <d-gerlach@ti.com>,
	Lokesh Vutla <lokeshvutla@ti.com>,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Andrew F . Davis" <afd@ti.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Russ Dill <Russ.Dill@ti.com>, Sudeep Holla <sudeep.holla@arm.com>,
	linux-arm-kernel@lists.infradead.org, narmstrong@baylibre.com
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	[thread overview]
Message-ID: <7hshtbtu8l.fsf@baylibre.com> (raw)
In-Reply-To: <20160906190127.23522-1-nm@ti.com> (Nishanth Menon's message of "Tue, 6 Sep 2016 14:01:22 -0500")

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

WARNING: multiple messages have this Message-ID (diff)
From: khilman@baylibre.com (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [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	[thread overview]
Message-ID: <7hshtbtu8l.fsf@baylibre.com> (raw)
In-Reply-To: <20160906190127.23522-1-nm@ti.com> (Nishanth Menon's message of "Tue, 6 Sep 2016 14:01:22 -0500")

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

  parent reply	other threads:[~2016-09-07 18:55 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-06 19:01 [PATCH V3 0/5] firmware: Add support for TI System Control Interface (TI-SCI) protocol driver Nishanth Menon
2016-09-06 19:01 ` Nishanth Menon
2016-09-06 19:01 ` Nishanth Menon
2016-09-06 19:01 ` [PATCH V3 1/5] Documentation: Add support for TI System Control Interface (TI-SCI) protocol Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-16 12:13   ` Rob Herring
2016-09-16 12:13     ` Rob Herring
2016-09-06 19:01 ` [PATCH V3 2/5] firmware: Add basic " Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-06 19:01 ` [PATCH V3 3/5] firmware: ti_sci: Add support for Device control Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
     [not found] ` <20160906190127.23522-1-nm-l0cyMroinI0@public.gmane.org>
2016-09-06 19:01   ` [PATCH V3 4/5] firmware: ti_sci: Add support for Clock control Nishanth Menon
2016-09-06 19:01     ` Nishanth Menon
2016-09-06 19:01     ` Nishanth Menon
2016-09-06 19:01 ` [PATCH V3 5/5] firmware: ti_sci: Add support for reboot core service Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-06 19:01   ` Nishanth Menon
2016-09-07 18:55 ` Kevin Hilman [this message]
2016-09-07 18:55   ` [PATCH V3 0/5] firmware: Add support for TI System Control Interface (TI-SCI) protocol driver Kevin Hilman
2016-09-08 14:00   ` Nishanth Menon
2016-09-08 14:00     ` Nishanth Menon
2016-09-08 14:00     ` Nishanth Menon
2016-09-08 17:31     ` Kevin Hilman
2016-09-08 17:31       ` Kevin Hilman
2016-09-08 17:31       ` Kevin Hilman
2016-09-08 18:19       ` Tero Kristo
2016-09-08 18:19         ` Tero Kristo
2016-09-08 18:19         ` Tero Kristo

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