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SubjectRe: [PATCH V4 0/5] firmware: Add support for TI System Control Interface (TI-SCI) protocol driver
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On 19/10/16 02:08, Nishanth Menon wrote:
> Version 4 of the series is basically a rebase to v4.9-rc1, no functional
> changes.

Hi,

Any final comments on this series, or shall I send a pull-req forward?
Very minimal changes compared to v3 so should be good to go imo.

-Tero

>
> 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:
> +-------------+ +---------+ +------^-----+
> | TI SCI GENPD| |TISCI Clk| |TISCI reset |
> +------+------+ +----+----+ +------+-----+
> | | |
> | +----v--------------+ |
> +----------> TISCI Protocol(*) <--+
> +----+--------------+
> |
> +---v-----------+
> | MAILBOX FWK |
> +---+-----------+
> |
> +---v-----------+
> | TI MSGMGR |-> TISCI hardware block
> +---------------+
> (*) This series.
>
>
> V4 of the series is based off v4.9-rc1 and is also available here:
> https://github.com/nmenon/linux-2.6-playground/commits/upstream/v4.10/tisci-base-v4
> Quick boot test: http://pastebin.ubuntu.com/23346183/
>
> Changes since v3:
> - rebase to v4.9-rc1
> - minor checkpatch fixes
>
> V3: https://lkml.org/lkml/2016/9/6/747
> V2: https://lkml.org/lkml/2016/8/30/273
> V1: https://lkml.org/lkml/2016/8/19/768
>
> Nishanth Menon (5):
> Documentation: Add support for TI System Control Interface (TI-SCI)
> protocol
> firmware: Add basic support for TI System Control Interface (TI-SCI)
> protocol
> firmware: ti_sci: Add support for Device control
> firmware: ti_sci: Add support for Clock control
> firmware: ti_sci: Add support for reboot core service
>
> .../devicetree/bindings/arm/keystone/ti,sci.txt | 81 +
> MAINTAINERS | 10 +
> drivers/firmware/Kconfig | 15 +
> drivers/firmware/Makefile | 1 +
> drivers/firmware/ti_sci.c | 1991 ++++++++++++++++++++
> drivers/firmware/ti_sci.h | 492 +++++
> include/linux/soc/ti/ti_sci_protocol.h | 249 +++
> 7 files changed, 2839 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
> create mode 100644 drivers/firmware/ti_sci.c
> create mode 100644 drivers/firmware/ti_sci.h
> create mode 100644 include/linux/soc/ti/ti_sci_protocol.h
>

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