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Message-ID: <20150803101845.GU20890@e106497-lin.cambridge.arm.com>
Date: Mon, 3 Aug 2015 11:18:45 +0100
From: Liviu Dudau <Liviu.Dudau@....com>
To: Sudeep Holla <sudeep.holla@....com>
Cc: "arm@...nel.org" <arm@...nel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Olof Johansson <olof@...om.net>,
Kevin Hilman <khilman@...nel.org>,
Punit Agrawal <Punit.Agrawal@....com>,
"Jon Medhurst (Tixy)" <tixy@...aro.org>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
Arnd Bergmann <arnd@...db.de>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v6 0/8] ARM64: juno: add SCPI mailbox protocol, clock and
CPUFreq support
On Fri, Jul 31, 2015 at 06:43:03PM +0100, Sudeep Holla wrote:
> Hi ARM-SoC guys,
>
> It has been on the list for a while and have got all the necessary ACKs.
> Can you please pull this series for v4.3 ?
>
> Regards,
> Sudeep
>
> This patch series adds support for:
> 1. SCPI(System Control and Power Interface) mailbox protocol driver.
> It uses ARM MHU mailbox controller driver on Juno but can work with
> any mailbox controllers using standard mailbox APIs
> 2. Add support for clocks provided by SCP firmware through the SCPI
> interface
> 3. Using the existing arm_big_little cpufreq driver and the newly
> added SCPI clock driver, it also adds support for CPU DVFS on
> ARM64 JUNO development platforms.
Hi Sudeep,
Is there a branch where I can pull this series from?
Best regards,
Liviu
>
> The SCPI protocol document is available @[1],[2]
>
> Changes v5->v6:
> - Minor review comments on clock bindings and clock driver
> - Added all the ACKs necessary
>
> Changes v4->v5:
> - Updated the SCPI clock bindings to correct the clock specifier
> usage and other minor updates as per review feedback
> - Updated clock driver to use SCPI specifier clock specifier
> decode function
> - Minor reshuffling in Juno DTS files, no functionality change
>
> Changes v3->v4:
> - Updated the SCPI binding based on MarkR's feedback
> - Updated SCPI clock driver to incorporate Stephen Boyd's review
> comments + used clk_set_rate_range to limit the clock range
> - Since no major changes are expected in SCPI DT, updated the
> Juno DTS to support SCPI and dependent device nodes.
>
> Changes v2->v3:
> - Minor fix in SCPI driver and added Tixy's reviewed-by tag
> - Updated scpi clock driver to incorporate all the comments from
> Stephen
> - Added Viresh's ack
>
> Changes v1->v2:
> - Updated the token handling in scpi driver as per Tixy's
> suggestion along with other review comments
> - Removed multiple drivers in scpi clock as Lorenzo suggested
> - Added free_opp_table in scpi-cpufreq as Viresh suggested
> - Separated the DT binding document
> - Moved SCPI protocol driver to drivers/firmware
>
> [1] http://community.arm.com/servlet/JiveServlet/download/8401-45-18326/DUI0922B_scp_message_interface.pdf
> [2] https://wiki.linaro.org/ARM/Juno?action=AttachFile&do=get&target=DUI0922B_scp_message_interface.pdf
> v1: https://lkml.org/lkml/2015/4/27/232
> v2: https://lkml.org/lkml/2015/5/14/470
> v3: https://lkml.org/lkml/2015/5/27/220
> v4: https://lkml.org/lkml/2015/6/8/178
> v5: https://lkml.org/lkml/2015/7/23/270
>
> Cc: devicetree@...r.kernel.org
> Cc: linux-clk@...r.kernel.org
> Cc: linux-pm@...r.kernel.org
>
> Sudeep Holla (8):
> Documentation: add DT binding for ARM System Control and Power
> Interface(SCPI) protocol
> firmware: add support for ARM System Control and Power Interface(SCPI)
> protocol
> clk: add support for clocks provided by SCP(System Control Processor)
> clk: scpi: add support for cpufreq virtual device
> cpufreq: arm_big_little: add SCPI interface driver
> arm64: dts: add SRAM, MHU mailbox and SCPI support on Juno
> arm64: dts: add CPU topology on Juno
> arm64: dts: add clock support for all the cpus
>
> Documentation/devicetree/bindings/arm/arm,scpi.txt | 150 +++++
> MAINTAINERS | 10 +
> arch/arm64/boot/dts/arm/juno-base.dtsi | 54 ++
> arch/arm64/boot/dts/arm/juno-r1.dts | 32 +
> arch/arm64/boot/dts/arm/juno.dts | 32 +
> drivers/clk/Kconfig | 10 +
> drivers/clk/Makefile | 1 +
> drivers/clk/clk-scpi.c | 325 ++++++++++
> drivers/cpufreq/Kconfig.arm | 9 +
> drivers/cpufreq/Makefile | 1 +
> drivers/cpufreq/scpi-cpufreq.c | 124 ++++
> drivers/firmware/Kconfig | 19 +
> drivers/firmware/Makefile | 1 +
> drivers/firmware/arm_scpi.c | 711 +++++++++++++++++++++
> include/linux/scpi_protocol.h | 61 ++
> 15 files changed, 1540 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/arm,scpi.txt
> create mode 100644 drivers/clk/clk-scpi.c
> create mode 100644 drivers/cpufreq/scpi-cpufreq.c
> create mode 100644 drivers/firmware/arm_scpi.c
> create mode 100644 include/linux/scpi_protocol.h
>
> --
> 1.9.1
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
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